Patents by Inventor Kuniaki Sakato

Kuniaki Sakato 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).

  • Isotopic urea tablets
    Patent number: 6294151
    Abstract: The present invention provides a tablet containing isotope-labeled urea and an inorganic compound.
    Type: Grant
    Filed: April 3, 1998
    Date of Patent: September 25, 2001
    Assignee: Kyowa Hakko Kogyo, Co., Ltd.
    Inventors: Eiji Hayakawa, Shigemitsu Miura, Kunio Ito, Kuniaki Sakato
  • Hair preparation composition
    Patent number: 4961925
    Abstract: The present invention provides a hair preparation composition which contains, as an active ingredient, a dielectron reducing oxidase utilizing oxygen as an acceptor.
    Type: Grant
    Filed: November 29, 1988
    Date of Patent: October 9, 1990
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Yoshio Tsujino, Yoshiharu Yokoo, Kuniaki Sakato, Hiroshi Hagino
  • Process for producing glutathione
    Patent number: 4582801
    Abstract: A process for producing glutathione, involves cultivating a strain belonging to the genus Saccharomyces and having both an ability to produce glutathione and a resistance to 1,2,4-triazole or sodium azide in a culture medium accumulating glutathione in the microbial cells, harvesting the cells, and recovering the glutathione therefrom.
    Type: Grant
    Filed: November 3, 1982
    Date of Patent: April 15, 1986
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Shinichiro Hamada, Hisao Tanaka, Kuniaki Sakato