Patents by Inventor Akira Akimoto

Akira Akimoto 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).

  • Fluorocarbon polymers and processes for their preparation
    Patent number: 4567206
    Abstract: A fluorocarbon polymer comprising a perfluorocarbon main chain and a pendant chain attached to the main chain, characterized in that the pendant chain has a quaternary ammonium type terminal group.
    Type: Grant
    Filed: December 28, 1983
    Date of Patent: January 28, 1986
    Assignees: Toyo Soda Manufacturing Co., Ltd., Sagami Chemical Research Center
    Inventors: Kiyohide Matsui, Yoshiyuki Kikuchi, Tamejiro Hiyama, Etsuko Tobita, Kiyoshi Kondo, Akira Akimoto, Toru Seita, Hiroyuki Watanabe
  • 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