Patents by Inventor Ritsuo Shigeoka

Ritsuo Shigeoka 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).

  • Process for handling and processing fish meat
    Patent number: 4284653
    Abstract: A process for handling and processing fish meat contaminated with sporozoa which comprises adding one or more substances which inhibit thiol protease to the fish meat.
    Type: Grant
    Filed: January 9, 1980
    Date of Patent: August 18, 1981
    Assignee: Nippon Suisan Kabushiki Kaisha
    Inventors: Ritsuo Shigeoka, Eizo Nagahisa, Takafumi Yamauchi
  • Method for processing fish contaminated with sporozoa
    Patent number: 4207354
    Abstract: Sporozoa-contaminated fish meat can be processed to coagulated fish meat paste ("neriseihin") by admixing about 4 to 40 parts of egg white with 100 parts of the fish meat.
    Type: Grant
    Filed: October 31, 1978
    Date of Patent: June 10, 1980
    Assignee: Nippon Suisan Kabushiki Kaisha
    Inventors: Hiroshi Haga, Ritsuo Shigeoka, Takafumi Yamauchi