Patents by Inventor Hirokazu Sanada
Hirokazu Sanada 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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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: 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: 20190040441Abstract: 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, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANADA, Takako YADA, Ayaka ATSUMI, Testunari 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: 20190040442Abstract: 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, 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: 20190040443Abstract: 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, 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: 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
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Publication number: 20190040438Abstract: 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
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Publication number: 20190017086Abstract: 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: January 17, 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: 20190017087Abstract: 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 accepter 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: January 17, 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: 20190017085Abstract: 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: January 17, 2019Applicants: 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: 9957543Abstract: 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 23, 2016Date of Patent: May 1, 2018Assignee: Ikeda Food Research Co., Ltd.Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Publication number: 20160273018Abstract: 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 23, 2016Publication date: September 22, 2016Applicant: Ikeda Food Research Co., Ltd.Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 9328372Abstract: 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: February 19, 2014Date of Patent: May 3, 2016Assignee: Ikeda Food Research Co., LtdInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Publication number: 20160076007Abstract: 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: November 24, 2015Publication date: March 17, 2016Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
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Patent number: 8945864Abstract: The object of the present invention is to provide a method of determining 1,5-anhydroglucitol, including using (a) a protein which consists of the amino acid sequence of SEQ ID NO: 2; (b) a protein which consists of an amino acid sequence having deletion, substitution and/or addition of one or more amino acid residues in the amino acid sequence of SEQ ID NO: 2 and which has sorbose dehydrogenase activity; or (c) a protein which consists of an amino acid sequence having a homology of at least 60% with the amino acid sequence of SEQ ID NO: 2 and which has sorbose dehydrogenase activity.Type: GrantFiled: June 22, 2007Date of Patent: February 3, 2015Assignees: Ikeda Food Research Co., Ltd., Nippon Kayaku Kabushiki KaishaInventors: Emi Ishimaru, Hirokazu Sanada, Hironori Omura, Hideki Yoshioka, Shuhei Tsukamoto, Minoru Masuda
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Publication number: 20140234533Abstract: 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: February 19, 2014Publication date: August 21, 2014Applicant: Ikeda Food Research Co., Ltd.Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru