Patents by Inventor Hiroshi Makishima

Hiroshi Makishima 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).

  • Ink composition for ink jet recording
    Patent number: 4279653
    Abstract: An ink composition for ink jet recording consisting essentially of a water-soluble wetting agent, water, a water-soluble dye and an oxygen absorber.
    Type: Grant
    Filed: April 7, 1980
    Date of Patent: July 21, 1981
    Assignees: Dai Nippon Toryo Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Hiroshi Makishima, Tsunehiko Toyoda, Noriaki Okamura, Hirofumi Yano, Akira Mizoguchi, Yasutaka Hiromori
  • Rust preventing coating composition
    Patent number: 4040842
    Abstract: A rust preventive coating composition having a long pot life and providing a coating in which generation of white rust is greatly reduced, said coating composition being obtained by incorporating a small amount of at least one salt selected from the group consisting of molybdate salts, tungstate salts, phosphomolybdate salts and phosphotungstate salts into a coating composition comprising as main components an alkali metal silicate or ammonium silicate and zinc powder.
    Type: Grant
    Filed: October 21, 1976
    Date of Patent: August 9, 1977
    Assignee: Dai Nippon Tokyo Co., Ltd.
    Inventors: Hiroshi Makishima, Minoru Hosoda, Eiichi Kasiwagi, Toshiharu Hayashi
  • Anti-corrosive coating compositions
    Patent number: 4011088
    Abstract: An anti-corrosive coating composition having an improved weldability can be obtained by combining water-soluble potassium silicate and/or ammonium silicate as a binder with a mixture of zinc powder with iron phosphide and/or nickel phosphide as an anti-corrosive pigment.
    Type: Grant
    Filed: December 16, 1974
    Date of Patent: March 8, 1977
    Assignee: Dai Nippon Toryo Kabushiki Kaisha
    Inventors: Hiroshi Makishima, Minoru Hoshino, Toshio Shinohara, Hiroshi Nii, Minoru Hosoda, Toshiharu Hayashi