Patents by Inventor Yasumichi Kajita

Yasumichi Kajita 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).

  • Method for purification of physiologically active substance using enzyme-enzyme inhibitor system
    Patent number: 4030977
    Abstract: A method for isolating and purifying a physiologically active substance contained in a tissue or a body fluid using an insoluble type naturally occurring proteolytic enzyme inhibitor or an insoluble type proteolytic enzyme alone or in combination with the insoluble type naturally occurring proteolytic enzyme inhibitor is disclosed.
    Type: Grant
    Filed: March 19, 1976
    Date of Patent: June 21, 1977
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Setsuro Fujii, Yasumichi Kajita, Seizi Hiraku, Heizo Kira, Hideki Aishita, Keiko Muryobayashi, Hiroshi Terashima, Akira Akimoto, Ken Taniguchi, Minoru Wada