Patents by Inventor Noriyuki Kizaki

Noriyuki Kizaki 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: 6218156
    Abstract: An enzyme having carbonyl reduction activity of reducing a carbonyl compound asymmetrically to produce an optically active alcohol, a DNA coding the enzyme, a plasmid having the DNA, a transformant which is a cell transformed with the plasmid, and a production method of an optically active alcohol using the enzyme and/or the transformed cell are provided.
    Type: Grant
    Filed: November 24, 1999
    Date of Patent: April 17, 2001
    Assignee: Kaneka Corporation
    Inventors: Yoshihiko Yasohara, Noriyuki Kizaki, Junzo Hasegawa, Masaru Wada, Sakayu Shimizu, Michihiko Kataoka, Kazuhiko Yamamoto, Hiroshi Kawabata, Keiko Kita
  • Patent number: 6046354
    Abstract: A novel glycerol derivative, a process for preparing the same, and a process for preparing a triazole derivative. An optically active 2-arylglycerol derivative which is novel and useful as a synthetic intermediate of medicament is provided, and furthermore, (R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazole-1-yl)-propane-1,2-diol, which is useful as an antifungal agent, is prepared.
    Type: Grant
    Filed: August 31, 1998
    Date of Patent: April 4, 2000
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshihiko Yasohara, Kenji Miyamoto, Noriyuki Kizaki, Shigeru Kawano, Junzo Hasegawa
  • Patent number: 5840553
    Abstract: A novel glycerol derivative, a process for preparing the same, and a process for preparing a triazole derivative. An optically active 2-arylglycerol derivative which is novel and useful as a synthetic intermediate of medicament is provided, and furthermore, (R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazole-1-yl)-propane-1,2-diol, which is useful as an antifungal agent, is prepared.
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: November 24, 1998
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshihiko Yasohara, Kenji Miyamoto, Noriyuki Kizaki, Shigeru Kawano, Junzo Hasegawa
  • Patent number: 5654472
    Abstract: The present invention relates to a novel glycerol derivative and a process for preparing the same, and a process for preparing a triazole derivative.According to the present invention, an optical active 2-arylglycerol derivative which is a novel and useful as a synthetic intermediate of medicament can be provided and furthermore, (R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazole-1-yl)-propane-1,2-diol which is useful as an antifungal agent can be prepared.
    Type: Grant
    Filed: December 18, 1995
    Date of Patent: August 5, 1997
    Assignee: Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
    Inventors: Yoshihiko Yasohara, Kenji Miyamoto, Noriyuki Kizaki, Shigeru Kawano, Junzo Hasegawa