Patents by Inventor Tokuo ICHIKAWA

Tokuo ICHIKAWA 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).

  • Patent number: 10349642
    Abstract: An object of the invention is to provide a fishhook for fishing or the like, the fishhook being easily stuck to a fish or the like and being also excellent in durability. The surface of a fishhook is treated with a compound selected from the group consisting of a metallic surfactant having at least one or more hydroxyl groups or hydrolyzable groups, a fluorine-based surface treating agent, a thiol compound and a disulfide compound.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: July 16, 2019
    Assignees: NIPPON SODA CO., LTD., GLOBERIDE, INC.
    Inventors: Tomoya Hidaka, Tokuo Ichikawa, Yukio Okishima, Yasuhisa Shibata
  • Publication number: 20170251648
    Abstract: An object of the invention is to provide a fishhook for fishing or the like, the fishhook being easily stuck to a fish or the like and being also excellent in durability. The surface of a fishhook is treated with a compound selected from the group consisting of a metallic surfactant having at least one or more hydroxyl groups or hydrolyzable groups, a fluorine-based surface treating agent, a thiol compound and a disulfide compound.
    Type: Application
    Filed: August 28, 2015
    Publication date: September 7, 2017
    Applicants: NIPPON SODA CO., LTD., GLOBERIDE, Inc
    Inventors: Tomoya HIDAKA, Tokuo ICHIKAWA, Yukio OKISHIMA, Yasuhisa SHIBATA