Patents by Inventor Yasuhiko Tatsuke

Yasuhiko Tatsuke 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).

  • Bile acid sulfate sulfatase, process for its preparation and method for assaying bile acid
    Patent number: 5100795
    Abstract: The invention provides a novel bile acid sulfate sulfatase, a process for its preparation, and a method of assaying bile acid 3.alpha.-sulfates and total bile acids using the bile acid sulfatase.
    Type: Grant
    Filed: April 15, 1991
    Date of Patent: March 31, 1992
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiko Tatsuke
  • Bile acid sulfate sulfatase, process for its preparation and method for assaying bile acid
    Patent number: 5091305
    Abstract: The invention provides a novel bile acid sulfate sulfatase, a process for its preparation, and a method of assaying bile acid 3.alpha.-sulfates and total bile acids using the bile acid sulfatase.
    Type: Grant
    Filed: July 26, 1990
    Date of Patent: February 25, 1992
    Assignee: Marukin Shoyu Co., Ltd.
    Inventors: Tsunetake Sugimori, Yoji Tsukada, Yasuhiko Tatsuke