Patents by Inventor Ayaka Atsumi
Ayaka Atsumi has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 10883133Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: September 28, 2018Date of Patent: January 5, 2021Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10851398Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: September 28, 2018Date of Patent: December 1, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10815515Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: September 28, 2018Date of Patent: October 27, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10808274Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: March 21, 2018Date of Patent: October 20, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10738341Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: March 21, 2018Date of Patent: August 11, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10669565Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: September 28, 2018Date of Patent: June 2, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10648011Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: March 21, 2018Date of Patent: May 12, 2020Assignees: Ikeda Food Research Co., ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10626434Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: September 28, 2018Date of Patent: April 21, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 10626433Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: GrantFiled: March 21, 2018Date of Patent: April 21, 2020Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Publication number: 20190177762Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: March 21, 2018Publication date: June 13, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190177763Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: March 21, 2018Publication date: June 13, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190177761Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: March 21, 2018Publication date: June 13, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190062798Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 28, 2018Publication date: February 28, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190048386Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 28, 2018Publication date: February 14, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190048383Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 28, 2018Publication date: February 14, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Publication number: 20190048384Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 28, 2018Publication date: February 14, 2019Applicants: Ikeda Food Research Co., Ltd, PHC CorporationInventors: Hironori OMURA, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Publication number: 20190048385Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 28, 2018Publication date: February 14, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Publication number: 20190040437Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: March 21, 2018Publication date: February 7, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190040440Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 28, 2018Publication date: February 7, 2019Inventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU
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Publication number: 20190040439Abstract: The present invention provides members that produce on a large scale a coenzyme-linked glucose dehydrogenase which has excellent substrate-recognizing ability toward glucose while providing low action on maltose. The present invention relates to a polynucleotide encoding a soluble coenzyme-linked glucose dehydrogenase that catalyzes the oxidation of glucose in the presence of an electron acceptor and has an activity toward maltose of 5% or lower; a polypeptide encoded by the nucleotide sequence of the polynucleotide; a recombinant vector carrying the polynucleotide; a transformed cell produced using the recombinant vector; a method for producing a polypeptide comprising culturing the transformed cell and collecting from the cultivated products a polypeptide that links to FAD to exert the glucose dehydration activity; a method for determination of glucose using the polypeptide; a reagent composition for determination of glucose; and a biosensor.Type: ApplicationFiled: September 27, 2018Publication date: February 7, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Tetsunari MORITA, Emi ISHIMARU