Patents by Inventor Masayoshi Tujii

Masayoshi Tujii 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).

  • Carbonaceous filler-containing vinylidene fluoride resin composition
    Patent number: 4582864
    Abstract: A vinylidene fluoride resin composition is disclosed, comprising a vinylidene fluoride resin, a carbon fiber and a specific granular graphite. The composition can provide a molded article having improved surface evenness and gloss by preventing the sink mark and warpage on the surface thereof.
    Type: Grant
    Filed: February 1, 1985
    Date of Patent: April 15, 1986
    Assignee: Mitsubishi Petrochemical Co., Ltd.
    Inventors: Keizo Abe, Michiya Okamura, Takahiro Ozu, Hiroshi Yui, Masayoshi Tujii