Patents by Inventor Masatoshi Uenishi

Masatoshi Uenishi 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).

  • Aluminum pigments
    Patent number: 5494512
    Abstract: Disclosed herein is an aluminium pigment comprising aluminium flakes, the surface of each aluminium flake being coated with a film of molybdic acid in an amount of 0.1 to 10% by weight in terms of Mo based on aluminium, which is further coated with a phosphoric film derived from a phosphoric compound selected from inorganic phosphoric acids, organic phosphoric acid esters having one phosphate group and their salts in an amount of 0.05 to 1% by weight in terms of P based on aluminium. The aluminium pigment of the present invention has good color tone and good adhesion. Further, the aluminium pigment of the present invention has good resistance to hot water.
    Type: Grant
    Filed: June 28, 1994
    Date of Patent: February 27, 1996
    Assignee: Toyo Aluminium Kabushiki Kaisha
    Inventors: Takashi Yamamoto, Masatoshi Uenishi, Haruzo Katoh, Shunichi Setoguchi
  • Aluminum nitride power having improved water-resistance
    Patent number: 4923689
    Abstract: Disclosed herein is an aluminum nitride powder having the improved water-resistance, which is obtained by treating the aluminum nitride powder with an inorganic or organic phosphoric acid compound followed by heating at about 150.degree. to 800.degree. C. when the organic phosphoric acid compound is used.
    Type: Grant
    Filed: July 18, 1989
    Date of Patent: May 8, 1990
    Assignee: Toyo Aluminium Kabushiki Kaisha
    Inventors: Masatoshi Uenishi, Yoshiki Hashizume, Takamasa Yokote