Patents Assigned to PHC Corporation
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Publication number: 20250035630Abstract: Provided are an immunoassay reagent and an immunoassay method for elastase 1 (E1) present in human fecal samples, which is simple and can handle a large number of samples without requiring special facilities or equipment, can analyze in a short time so as to be suitable for emergency testing, and can quantitatively analyze a wide range of concentrations from low to high. The immunoassay method, comprising: (a) adding ?1-antitrypsin (?1AT) to a fecal sample obtained from a subject; (b) incubating the fecal sample and reacting E1 with ?1AT to form a complex; (c) incubating the fecal sample with a solution containing a carrier on which an immunological partner capable of recognizing the E1-?1AT complex is immobilized; and (d) analyzing a change caused by the reaction between the E1-?1AT complex and the immunological partner.Type: ApplicationFiled: November 30, 2022Publication date: January 30, 2025Applicant: PHC CorporationInventors: Atsushi SATO, Yutaka NAGAHAMA
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Publication number: 20240288435Abstract: The purpose of the present invention is to develop a biomarker that better reflects thrombus formation in vivo, and to provide a method that enables risk assessment of cancer-associated thrombosis in the perioperative period of cancer patients. The method includes a step of measuring the concentration of soluble CLEC2 in blood collected from the cancer patients.Type: ApplicationFiled: January 13, 2022Publication date: August 29, 2024Applicant: PHC CorporationInventors: Yukihiko FUJII, Masahide KAWAMURA, Kamon SHIRAKAWA
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Patent number: 11345897Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.Type: GrantFiled: February 15, 2019Date of Patent: May 31, 2022Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
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Patent number: 11225645Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase, According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.Type: GrantFiled: February 15, 2019Date of Patent: January 18, 2022Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
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Patent number: 11155789Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.Type: GrantFiled: February 15, 2019Date of Patent: October 26, 2021Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
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Patent number: 10988738Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.Type: GrantFiled: February 15, 2019Date of Patent: April 27, 2021Assignees: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
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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: 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: 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: 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: 20190177699Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.Type: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANDA, Takako YADA, Tetsunari MORITA, Mika KUYAMA, Tokuji IKEDA, Kenji KANO, Seiya TSUJIMURA
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Publication number: 20190177700Abstract: The present invention provides a microorganism-derived soluble coenzyme-binding glucose dehydrogenase which catalyzes a reaction for oxidizing glucose in the presence of an electron acceptor, has an activity to maltose as low as 5% or less, and is inhibited by 1,10-phenanthroline. The invention also provides a method for producing the coenzyme-binding glucose dehydrogenase, and a method and a reagent for measuring employing the coenzyme-binding glucose dehydrogenase. According to the invention, the coenzyme-binding glucose dehydrogenase can be applied to an industrial field, and a use becomes possible also in a material production or analysis including a method for measuring or eliminating glucose in a sample using the coenzyme-binding glucose dehydrogenase as well as a method for producing an organic compound. It became also possible to provide a glucose sensor capable of accurately measuring a blood sugar level.Type: ApplicationFiled: February 15, 2019Publication date: June 13, 2019Applicants: Ikeda Food Research Co., Ltd., PHC CorporationInventors: Hironori OMURA, Hirokazu SANDA, Takako YADA, Tetsunari MORITA, Mika KUYAMA, Tokuji IKEDA, Kenji KANO, Seiya TSUJIMURA