Patents by Inventor Kunio Tsukakoshi

Kunio Tsukakoshi 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).

  • Fire-retarding resin composition and laminated product thereof
    Patent number: 4680227
    Abstract: A laminate composed of a fire-retardant resin composition comprising a polyolefin resin and hydrate of calcium silicate containing 30% by weight or more of platy crystals and/or needle shaped crystals with an aspect ratio of 3 or higher in sheet form and having metal sheet on both sides thereof.
    Type: Grant
    Filed: November 25, 1985
    Date of Patent: July 14, 1987
    Assignee: Mitsubishi Chemical Industries Ltd.
    Inventors: Yoshiki Aoyagi, Masatoshi Suzuki, Tadashi Inoue, Kunio Tsukakoshi