Patents by Inventor Syuzo Egusa

Syuzo Egusa 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 destroying cyst of noxious plankton
    Patent number: 5256423
    Abstract: A method for destroying cyst of noxious plankton, which comprises mixing in ballast water hydrogen peroxide or a compound producing the same and maintaining an effective concentration thereof for destroying cyst of noxious plankton.
    Type: Grant
    Filed: October 4, 1991
    Date of Patent: October 26, 1993
    Assignee: Katayama Chemical, Inc.
    Inventors: Syuzo Egusa, Yasuo Fukuyo