Patents by Inventor Mika Kuyama

Mika Kuyama 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).

  • 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
  • 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: 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
  • 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: 20190177698
    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: 20100297743
    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: August 6, 2010
    Publication date: November 25, 2010
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Publication number: 20090176262
    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: March 3, 2009
    Publication date: July 9, 2009
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Patent number: 7514250
    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: December 24, 2003
    Date of Patent: April 7, 2009
    Assignee: Ikeda Food Research Co., Ltd.
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura
  • Publication number: 20060063217
    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: December 24, 2003
    Publication date: March 23, 2006
    Inventors: Hironori Omura, Hirokazu Sanada, Takako Yada, Tetsunari Morita, Mika Kuyama, Tokuji Ikeda, Kenji Kano, Seiya Tsujimura