Patents Assigned to PHC Corporation
  • Patent number: 11345897
    Abstract: 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: Grant
    Filed: February 15, 2019
    Date of Patent: May 31, 2022
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 11225645
    Abstract: 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: Grant
    Filed: February 15, 2019
    Date of Patent: January 18, 2022
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 11155789
    Abstract: 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: Grant
    Filed: February 15, 2019
    Date of Patent: October 26, 2021
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 10988738
    Abstract: 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: Grant
    Filed: February 15, 2019
    Date of Patent: April 27, 2021
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 10883133
    Abstract: 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: Grant
    Filed: September 28, 2018
    Date of Patent: January 5, 2021
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10851398
    Abstract: 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: Grant
    Filed: September 28, 2018
    Date of Patent: December 1, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10815515
    Abstract: 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: Grant
    Filed: September 28, 2018
    Date of Patent: October 27, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10808274
    Abstract: 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: Grant
    Filed: March 21, 2018
    Date of Patent: October 20, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10738341
    Abstract: 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: Grant
    Filed: March 21, 2018
    Date of Patent: August 11, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10669565
    Abstract: 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: Grant
    Filed: September 28, 2018
    Date of Patent: June 2, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10648011
    Abstract: 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: Grant
    Filed: March 21, 2018
    Date of Patent: May 12, 2020
    Assignees: Ikeda Food Research Co., ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10626433
    Abstract: 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: Grant
    Filed: March 21, 2018
    Date of Patent: April 21, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10626434
    Abstract: 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: Grant
    Filed: September 28, 2018
    Date of Patent: April 21, 2020
    Assignees: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Ayaka Atsumi, Tetsunari Morita, Emi Ishimaru
  • Patent number: 10518033
    Abstract: A pharmaceutical cartridge holding unit holds a pharmaceutical cartridge and is mounted to a pharmaceutical injection device main body in order to mount the pharmaceutical cartridge to a pharmaceutical injection device. The pharmaceutical cartridge holding unit comprises an outer peripheral cap having a front end side opening and a rear end side opening, and a cartridge cover that is on an inside of the outer peripheral cap and is held in a state of being able to slide forward and backward with respect to the outer peripheral cap. The outer peripheral cap has a guide component configured to guide sliding of the cartridge cover forward and backward, a stopper configured to prevent the cartridge cover from coming loose from the outer peripheral cap, and an engagement component that can engage with the pharmaceutical injection device main body.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: December 31, 2019
    Assignee: PHC CORPORATION
    Inventors: Yukihiro Takabatake, Toshiaki Iio, Seiji Kikuchi, Yutaro Fujino, Takashi Hanada
  • Publication number: 20190177701
    Abstract: 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: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Applicants: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori Omura, Hirokazu Sanda, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Publication number: 20190177700
    Abstract: 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: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Applicants: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori OMURA, Hirokazu SANDA, Takako YADA, Tetsunari MORITA, Mika KUYAMA, Tokuji IKEDA, Kenji KANO, Seiya TSUJIMURA
  • Publication number: 20190177699
    Abstract: 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: Application
    Filed: February 15, 2019
    Publication date: June 13, 2019
    Applicants: Ikeda Food Research Co., Ltd., PHC Corporation
    Inventors: Hironori OMURA, Hirokazu SANDA, Takako YADA, Tetsunari MORITA, Mika KUYAMA, Tokuji IKEDA, Kenji KANO, Seiya TSUJIMURA
  • Patent number: D894395
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: August 25, 2020
    Assignee: PHC CORPORATION
    Inventors: Yoshiaki Iida, Akihiro Mochizuki, Fumio Yamada, Tomoyoshi Tokumaru, Keisuke Taira
  • Patent number: D901691
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: November 10, 2020
    Assignee: PHC CORPORATION
    Inventor: Yoshiaki Iida
  • Patent number: D904618
    Type: Grant
    Filed: May 28, 2019
    Date of Patent: December 8, 2020
    Assignee: PHC CORPORATION
    Inventors: Yoshiaki Iida, Akihiro Mochizuki, Fumio Yamada, Tomoyoshi Tokumaru, Keisuke Taira