Patents by Inventor Kunio Yonahara

Kunio Yonahara 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).

  • Electrically conductive plastic complex material
    Patent number: 4585578
    Abstract: Described is an electrically conductive plastic complex material composed of a starting or synthetic base resin material with addition and mixture thereto of electrically conductive carbon black and inorganic filler. According to the invention, the inorganic filler is a graphite or preferably doped graphite.
    Type: Grant
    Filed: November 15, 1983
    Date of Patent: April 29, 1986
    Assignee: Kabushiki Kaisha Meidensha
    Inventors: Kunio Yonahara, Hiroshi Miyagawa, Shingo Aimoto
  • Electrically conductive plastic complex material
    Patent number: 4562113
    Abstract: Described is a degradation-resistant electrode for an electrochemical reaction comprising an electrically conductive plastics complex material comprising 18 to 50 wt. percent of the polyolefin polymer, 1 to 25 wt. percent of the electrically conductive carbon black and 25 to 75 wt. percent of one or more of graphite, calcium carbonate, talcum, alumina, silica and titania.
    Type: Grant
    Filed: December 27, 1983
    Date of Patent: December 31, 1985
    Assignee: Kabushiki Kaisha Meidensha
    Inventors: Kunio Yonahara, Shingo Aimoto
  • Electrically conductive plastic complex material
    Patent number: 4551267
    Abstract: Described is an electrode formed from a composition consisting essentially of a base resin polymer, carbon black and graphite, with adsorptive active carbon added thereto. The electrode is capable of suppressing halogen diffusion in the metal-halogen battery for improving its energy efficiency.
    Type: Grant
    Filed: January 26, 1984
    Date of Patent: November 5, 1985
    Assignee: Kabushiki Kaisha Meidensha
    Inventors: Kazuo Fushimi, Hirokazu Tsunakawa, Kunio Yonahara