Patents by Inventor Kotaro RYUO

Kotaro RYUO 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).

  • ALKALINE BATTERY GASKET
    Publication number: 20230107144
    Abstract: An alkaline battery gasket includes a resin composition in which 50 to 95 parts by weight of a polyamide 610 resin (A) and 5 to 50 parts by weight of a polyethylene resin (B), based on 100 parts by weight of a total amount of the polyamide 610 resin (A) and the polyethylene resin (B), is blended, in which, in morphology of the resin composition observed by using transmission electron tomography, the polyamide 610 resin (A) forms a continuous phase, the polyethylene resin (B) forms a dispersed phase, and an average dispersion diameter of the dispersed phase is 1 nm or more and 1000 nm or less.
    Type: Application
    Filed: February 25, 2021
    Publication date: April 6, 2023
    Inventors: Yetao Song, Motoharu Yoshikawa, Masaru Akita, Kotaro Ryuo
  • Golf ball resin composition and golf ball using the same
    Patent number: 9517386
    Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: December 13, 2016
    Assignee: DUNLOP SPORTS CO., LTD.
    Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi, Kazumi Kodama, Keiichi Hattori, Kotaro Ryuo
  • Golf ball resin composition and golf ball using the same
    Patent number: 9493650
    Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots and a golf ball resin composition.
    Type: Grant
    Filed: October 28, 2014
    Date of Patent: November 15, 2016
    Assignee: DUNLOP SPORTS CO. LTD.
    Inventors: Hidetaka Inoue, Toshiyuki Tarao, Kuniyasu Horiuchi, Kazumi Kodama, Keiichi Hattori, Kotaro Ryuo
  • GOLF BALL RESIN COMPOSITION AND GOLF BALL USING THE SAME
    Publication number: 20150119168
    Abstract: An object of the present invention is to provide a golf ball traveling a great flight distance on driver shots and a golf ball resin composition.
    Type: Application
    Filed: October 28, 2014
    Publication date: April 30, 2015
    Applicant: DUNLOP SPORTS CO. LTD.
    Inventors: Hidetaka INOUE, Toshiyuki TARAO, Kuniyasu HORIUCHI, Kazumi KODAMA, Keiichi HATTORI, Kotaro RYUO