Patents by Inventor Yukio OKISHIMA

Yukio OKISHIMA 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: 11382320
    Abstract: A fishing swivel for connecting a main fishing line and a leader is provided. The fishing swivel includes a first connecting portion connected with the main line, a second connecting portion connected with the leader, and a main body rotatably coupled to the first connecting portion and the second connecting portion. The first connecting portion has a first contact portion that contacts the main body, the second connecting portion has a second contact portion that contacts the main body, and the main body has a main body contact portion that contacts the first contact portion and the second contact portion. A plating layer containing fluororesin is provided on surfaces of the first contact portion, the second contact portion, and the main body contact portion.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 12, 2022
    Assignee: GLOBERIDE, Inc.
    Inventors: Yukio Okishima, Kouhei Ueta
  • Publication number: 20200367481
    Abstract: A fishing swivel according to one embodiment of the invention is a fishing swivel for connecting a main fishing line and a leader includes a first connecting portion connected with the main line, a second connecting portion connected with the leader, and a main body rotatably coupled to the first connecting portion and the second connecting portion. In the embodiment, the first connecting portion has a first contact portion that contacts the main body, the second connecting portion has a second contact portion that contacts the main body, the main body has a main body contact portion that contacts the first contact portion and the second contact portion. A plating layer containing fluororesin is provided on surfaces of the first contact portion, the second contact portion, and the main body contact portion.
    Type: Application
    Filed: January 7, 2019
    Publication date: November 26, 2020
    Inventors: Yukio OKISHIMA, Kouhei UETA
  • 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