Patents by Inventor Shusaku Yanagidani

Shusaku Yanagidani 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: 9994827
    Abstract: Object An object of the present invention is to provide a highly stable FVHO preparation and a low-hygroscopicity dried FVHO preparation. Means for achieving the object A method for producing a FVHO preparation comprising a step of allowing at least one member selected from phosphoric acid, casein peptone, D-glucosamine hydrochloride, melibiose, sorbose, lactose, fructose, melezitose, glucono-1,5-lactone, and ribitol; and a method for producing a dried FVHO preparation, comprising a step of allowing Bicine to coexist.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: June 12, 2018
    Assignee: TOYOBO CO., LTD.
    Inventors: Rie Hirao, Takahide Kishimoto, Shusaku Yanagidani
  • Patent number: 9796963
    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: Grant
    Filed: September 6, 2013
    Date of Patent: October 24, 2017
    Assignee: Toyobo Co., Ltd.
    Inventors: Yasuhiro Yamazaki, Yosuke Sumida, Rie Hirao, Yuu Utashima, Hiroshi Aiba, Takahide Kishimoto, Shusaku Yanagidani
  • Patent number: 9506043
    Abstract: A novel diaphorase; a method for producing the diaphorase; and use of the diaphorase are provided. The diaphorase comprises any one of the following polypeptides (a) to (c): (a) a polypeptide having the amino acid sequence of SEQ ID NO: 1, (b) a polypeptide having the amino acid sequence of SEQ ID NO: 1 in which one or several amino acid residues are substituted, deleted, inserted, added, and/or inverted, and having diaphorase activity, and (c) a polypeptide having an amino acid sequence with 80% or more identity to the amino acid sequence of SEQ ID NO: 1, and having diaphorase activity.
    Type: Grant
    Filed: December 19, 2012
    Date of Patent: November 29, 2016
    Assignee: TOYOBO CO., LTD.
    Inventors: Sachio Iwai, Takahide Kishimoto, Seiji Takeshima, Shusaku Yanagidani
  • Patent number: 9506042
    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: Grant
    Filed: December 29, 2014
    Date of Patent: November 29, 2016
    Assignee: Toyobo Co., Ltd.
    Inventors: Yosuke Sumida, Rie Hirao, Yuu Utashima, Hiroaki Kitazawa, Hiroshi Aiba, Takahide Kishimoto, Shusaku Yanagidani
  • Patent number: 9487758
    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: February 10, 2014
    Date of Patent: November 8, 2016
    Assignee: Toyobo Co., Ltd.
    Inventors: Yosuke Sumida, Hiroshi Aiba, Hiroshi Kawaminami, Rie Hirao, Yuu Utashima, Takahide Kishimoto, Shusaku Yanagidani
  • 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: 20150344852
    Abstract: [Object] To provide: a novel diaphorase; a method for producing the diaphorase; and use of the diaphorase. [Solution] A diaphorase comprising any one of the following polypeptides (a) to (c): (a) a polypeptide having the amino acid sequence of SEQ ID NO: 1, (b) a polypeptide having the amino acid sequence of SEQ ID NO: 1 in which one or several amino acid residues are substituted, deleted, inserted, added, and/or inverted, and having diaphorase activity, and (c) a polypeptide having an amino acid sequence with 80% or more identity to the amino acid sequence of SEQ ID NO: 1, and having diaphorase activity.
    Type: Application
    Filed: December 19, 2012
    Publication date: December 3, 2015
    Applicants: TOYOBO CO., LTD., TOYOBO CO., LTD.
    Inventors: Sachio IWAI, Takahide KISHIMOTO, Seiji TAKESHIMA, 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
  • Patent number: 9115051
    Abstract: A method for producing a polyamine composition with high production efficiency that has a low salt concentration includes (1) a step of treating a plant and/or a processed plant product with ethanol; (2) a step of treating the plant and/or the processed plant product with water; (3) a step of treating the plant and/or the processed plant product under an acidic condition; and (4) a step of separating and collecting a liquid fraction.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: August 25, 2015
    Assignee: TOYOBO CO., LTD.
    Inventors: Chiaki Yamada, Hiroaki Kitazawa, Shusaku Yanagidani
  • Patent number: 9040257
    Abstract: The present invention provides a host for genetic recombination useful in the production of heterologous proteins in a large scale, by suppressing the production of extracellular polysaccharides in the basidiomycetous yeasts. Cryptococcus sp. S-2 D11 strain (FERM BP-11482) which is characterized in that the production of extracellular polysaccharides is suppressed as compared with the parent strain.
    Type: Grant
    Filed: April 23, 2013
    Date of Patent: May 26, 2015
    Assignees: TOYOBO CO., LTD., NATIONAL RESEARCH INSTITUTE OF BREWING
    Inventors: Yuu Utashima, Takahide Kishimoto, Shusaku Yanagidani, Kazuo Masaki
  • 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: 20150072379
    Abstract: The present invention provides a host for genetic recombination useful in the production of heterologous proteins in a large scale, by suppressing the production of extracellular polysaccharides in the basidiomycetous yeasts. Cryptococcus sp. S-2 D11 strain (FERN BP-11482) which is characterized in that the production of extracellular polysaccharides is suppressed as compared with the parent strain.
    Type: Application
    Filed: April 23, 2013
    Publication date: March 12, 2015
    Applicants: TOYOBO CO., LTD., NATIONAL RESEARCH INSTITUTE OF BREWING
    Inventors: Yuu Utashima, Takahide Kishimoto, Shusaku Yanagidani, Kazuo Masaki
  • 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: 20140378708
    Abstract: [Object] An object is to provide a method for producing a polyamine composition with high production efficiency that has a low salt concentration and is derived from plant material. [Solution] A method for producing a polyamine composition includes (1) a step of treating a plant and/or a processed plant product with ethanol; (2) a step of treating the plant and/or the processed plant product with water; (3) a step of treating the plant and/or the processed plant product under an acidic condition; and (4) a step of separating and collecting a liquid fraction.
    Type: Application
    Filed: September 28, 2012
    Publication date: December 25, 2014
    Applicant: TOYOBO CO., LTD.
    Inventors: Chiaki Yamada, Hiroaki Kitazawa, Shusaku Yanagidani
  • Publication number: 20140349327
    Abstract: Object An object of the present invention is to provide a highly stable FVHO preparation and a low-hygroscopicity dried FVHO preparation. Means for achieving the object A method for producing a FVHO preparation comprising a step of allowing at least one member selected from phosphoric acid, casein peptone, D-glucosamine hydrochloride, melibiose, sorbose, lactose, fructose, melezitose, glucono-1,5-lactone, and ribitol; and a method for producing a dried FVHO preparation, comprising a step of allowing Bicine to coexist.
    Type: Application
    Filed: January 10, 2013
    Publication date: November 27, 2014
    Applicant: TOYOBO CO., LTD.
    Inventors: Rie Hirao, 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
  • Patent number: 7754864
    Abstract: Disclosed is a tyrosinase activity controlling agent comprising, as an active ingredient, a compound that has tyrosinase inhibiting or promoting activity, an external preparation comprising the controlling agent, and a process for producing the compound.
    Type: Grant
    Filed: October 10, 2003
    Date of Patent: July 13, 2010
    Assignees: National Institute of Advanced Industrial Science and Technology, Toyo Boseki Kabushiki Kaisha
    Inventors: Yutaka Tokiwa, Masaru Kitagawa, Kenji Yoshino, Shusaku Yanagidani, Takao Raku, Tetsuzo Totani, Hiromi Shimakawa
  • Patent number: 7264955
    Abstract: An isolated, porcine ?1-6 fucosyltransferase having the following physico-chemical properties: (1) action: transferring fucose from guanosine diphosphate-fucose to a hydroxy group at 6-position of GluNAc closest to R of a receptor (GlcNAc?1-2Man?1-6)(GlcNAc?1-2Man?1-3)Man?1-4GlcNAc?1-4GlucNAc-R wherein R is an asparagine residue or a peptide chain carrying said residue, whereby to form (GlcNAc?1-2Man?1-6)-(GlcNAc?1-2Man?1-3)Man?1-4GlcNAc?1-4(Fuc?1-6)GlucNAc-R (2) optimum pH: about 7.0 (3) pH stability: retains activity after 5 hours of treatment at 4° C. at a pH range of 4.0-10.0 (4) optimum temperature: about 30-37° C. (5) inhibition or activation: no requirement for divalent metal for expression of activity; no inhibition of activity in the presence of 5 mM EDTA (6) molecular weight: about 60,000 by SDS-polyacrylamide gel electrophoresis is provided. An isolated polynucleotide encoding porcine ?1-6 fucosyltransferase is also provided.
    Type: Grant
    Filed: May 13, 2004
    Date of Patent: September 4, 2007
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Naoyuki Taniguchi, Naofumi Uozumi, Tetsuo Shiba, Shusaku Yanagidani