Patents by Inventor Kouichiroh Tsurumi

Kouichiroh Tsurumi 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).

  • Undersea antifouling treating composition
    Patent number: 5229436
    Abstract: As an object and a use of an undersea antifouling treating composition provided by the invention, in order to prevent the adhesion of sessile organisms over a long period of time, the antifouling treating composition is immersed in fish nets for culturing, trapping and the like immersed in sea for a long time and materials such as rope and the like supporting these nets, a net for preventing invasion of jellyfishes at an intake port for cooling water, a curtain for the prevention of marine pollution used in seaside working and the like.
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: July 20, 1993
    Assignee: Nippon Oil and Fats Company, Limited
    Inventors: Osamu Kadota, Kouichiroh Tsurumi, Makoto Ishimoto, Yoshihiro Honda