Patents by Inventor Kenji Okimoto

Kenji Okimoto 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: 7033441
    Abstract: The object of the present invention is to prevent damage on surface of strings and make the strings less twistable to improve elasticity, bounce etc., and further avoiding uncomfortable touch at the moment of hitting a ball. The applicator for strings of the present invention is polydimethylsiloxane containing scourer and colorant and having viscosity of 100 to 1000 cs, which is retained in a sponge-like retainer.
    Type: Grant
    Filed: October 27, 2003
    Date of Patent: April 25, 2006
    Assignee: The San-Ai Co., Ltd.
    Inventors: Kenji Okimoto, Keiko Okimoto
  • Publication number: 20040214976
    Abstract: The object of the present invention is to prevent damage on surface of strings and make the strings less twistable to improve elasticity, bounce etc., and further avoiding uncomfortable touch at the moment of hitting a ball.
    Type: Application
    Filed: October 27, 2003
    Publication date: October 28, 2004
    Inventors: Kenji Okimoto, Keiko Okimoto