Patents by Inventor Yosuke SUMIDA

Yosuke SUMIDA 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).

  • Publication number: 20160265021
    Abstract: Provided is a flavin adenine dinucleotide-dependent glucose dehydrogenase comprising a polypeptide having an amino acid sequence with 78% or more identity to the amino acid sequence of SEQ ID NO: 3, and having glucose dehydrogenase activity.
    Type: Application
    Filed: April 21, 2016
    Publication date: September 15, 2016
    Applicant: TOYOBO CO., LTD.
    Inventors: Hiroshi AIBA, Yosuke SUMIDA, Yasuhiro YAMAZAKI, Yuu UTASHIMA, Takahide KISHIMOTO
  • Patent number: 9404144
    Abstract: An object of the present invention is to provide a novel glucose dehydrogenase, a method for producing the glucose dehydrogenase, and applications of the glucose dehydrogenase. The flavin-binding glucose dehydrogenase of the invention has the following characteristics (1) and (4): (1) Molecular weight: the molecular weight of a polypeptide moiety in the enzyme is about 68 kDa as measured by SDS-polyacrylamide electrophoresis; (2) Km value: the Km value for D-glucose is about 15 mM or less; (3) Temperature stability: stable at a temperature of 55° C. or less; and (4) pH stability: stable at a pH range of 3.0 to 8.5.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: August 2, 2016
    Assignee: TOYOBO CO., LTD.
    Inventors: Yosuke Sumida, Rie Hirao, Yuu Utashima, Hiroshi Kawaminami, Hiroshi Aiba, Takahide Kishimoto, Shusaku Yanagidani
  • Patent number: 9260699
    Abstract: An object of the present invention is to provide a novel glucose dehydrogenase, a method for producing the glucose dehydrogenase, and applications of the glucose dehydrogenase. An isolated flavin-binding glucose dehydrogenase comprising a polypeptide having an amino acid sequence with 80% or more identity to the amino acid sequence of SEQ ID NO: 1, and having glucose dehydrogenase activity is provided.
    Type: Grant
    Filed: April 30, 2014
    Date of Patent: February 16, 2016
    Assignee: Toyobo Co., Ltd.
    Inventors: Yosuke Sumida, Hiroshi Aiba, Hiroshi Kawaminami, Rie Hirao, Yuu Utashima, Takahide Kishimoto, Shusaku Yanagidani
  • Publication number: 20150240216
    Abstract: The present invention provides a novel glucose dehydrogenase that has excellent substrate specificity and that is suitable for use in SMBG. The present invention provides a flavin-bound glucose dehydrogenase having the following characteristics (1) to (5): (1) Temperature stability: stable at a temperature of 45° C. or lower; (2) stable at a pH range of 4.5 to 7.5; (3) substrate specificity: the reactivity to D-xylose, maltose, or D-galactose is 2% or less, based on the reactivity to D-glucose taken as 100%; (4) optimal activity temperature: 34 to 47° C.; and (5) optimal activity pH: 6.3 to 6.7.
    Type: Application
    Filed: September 6, 2013
    Publication date: August 27, 2015
    Inventors: Yasuhiro Yamazaki, Yosuke Sumida, Rie Hirao, Yuu Utashima, Hiroshi Aiba, Takahide Kishimoto, Shusaku Yanagidani
  • Publication number: 20150111280
    Abstract: The present invention provides a novel glucose dehydrogenase that has excellent substrate specificity, specific activity, thermal stability, and the like, and that is suitable for use in SMBG sensors. The present invention provides a purified polypeptide comprising an amino acid sequence having at least 80% identity to the sequence of SEQ ID NO: 1 and having glucose dehydrogenase activity.
    Type: Application
    Filed: December 29, 2014
    Publication date: April 23, 2015
    Inventors: Yosuke SUMIDA, Rie HIRAO, Yuu UTASHIMA, Hiroaki KITAZAWA, Hiroshi AIBA, Takahide KISHIMOTO, Shusaku YANAGIDANI
  • Publication number: 20150031059
    Abstract: An object of the present invention is to provide a novel glucose dehydrogenase, a method for producing the glucose dehydrogenase, and applications of the glucose dehydrogenase. The flavin-binding glucose dehydrogenase of the invention has the following characteristics (1) and (4): (1) Molecular weight: the molecular weight of a polypeptide moiety in the enzyme is about 68 kDa as measured by SDS-polyacrylamide electrophoresis; (2) Km value: the Km value for D-glucose is about 15 mM or less; (3) Temperature stability: stable at a temperature of 55° C. or less; and (4) pH stability: stable at a pH range of 3.0 to 8.5.
    Type: Application
    Filed: February 7, 2013
    Publication date: January 29, 2015
    Applicant: TOYOBO CO., LTD.
    Inventors: Yosuke Sumida, Rie Hirao, Yuu Utashima, Hiroshi Kawaminami, Hiroshi Aiba, Takahide Kishimoto, Shusaku Yanagidani
  • Publication number: 20140287478
    Abstract: An object of the present invention is to provide a novel glucose dehydrogenase, a method for producing the glucose dehydrogenase, and applications of the glucose dehydrogenase. An isolated flavin-binding glucose dehydrogenase comprising a polypeptide having an amino acid sequence with 80% or more identity to the amino acid sequence of SEQ ID NO: 1, and having glucose dehydrogenase activity is provided.
    Type: Application
    Filed: April 30, 2014
    Publication date: September 25, 2014
    Inventors: Yosuke SUMIDA, Hiroshi AIBA, Hiroshi KAWAMINAMI, Rie HIRAO, Yuu UTASHIMA, Takahide KISHIMOTO, Shusaku YANAGIDANI
  • Publication number: 20140154777
    Abstract: An object of the present invention is to provide a novel glucose dehydrogenase, a method for producing the glucose dehydrogenase, and applications of the glucose dehydrogenase. An isolated flavin-binding glucose dehydrogenase comprising a polypeptide having an amino acid sequence with 80% or more identity to the amino acid sequence of SEQ ID NO: 1, and having glucose dehydrogenase activity is provided.
    Type: Application
    Filed: February 10, 2014
    Publication date: June 5, 2014
    Applicant: TOYOBO CO., LTD.
    Inventors: Yosuke SUMIDA, Hiroshi AIBA, Hiroshi KAWAMINAMI, Rie HIRAO, Yuu UTASHIMA, Takahide KISHIMOTO, Shusaku YANAGIDANI