Patents by Inventor Toru Taki

Toru Taki 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).

  • Patent number: 7828884
    Abstract: The present invention provides an environmentally pollution-free, anti-corrosive pigment composition which is free of any heavy metal such as lead and/or chromium, which is free of zinc and/or water-soluble ions and which is excellent in the anti-corrosive effect. The anti-corrosive pigment composition comprises condensed calcium phosphate prepared by firing a mixture which comprises a calcium-containing component and a phosphorus-containing component and in which the molar ratio (Ca/P=m) of calcium to phosphorus present in these components falls within the following range: 0.50<m<1.00, at a temperature ranging from 180 to 350° C.
    Type: Grant
    Filed: October 23, 2008
    Date of Patent: November 9, 2010
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Takashi Matsuda, Osamu Ogawa, Toru Taki
  • Publication number: 20090078158
    Abstract: The present invention provides an environmentally pollution-free, anti-corrosive pigment composition which is free of any heavy metal such as lead and/or chromium, which is free of zinc and/or water-soluble ions and which is excellent in the anti-corrosive effect. The anti-corrosive pigment composition comprises condensed calcium phosphate prepared by firing a mixture which comprises a calcium-containing component and a phosphorus-containing component and in which the molar ratio (Ca/P=m) of calcium to phosphorus present in these components falls within the following range: 0.50<m<1.00, at a temperature ranging from 180 to 350?.
    Type: Application
    Filed: October 23, 2008
    Publication date: March 26, 2009
    Applicant: Dai Nippon Toryo Co., Ltd.
    Inventors: Takashi MATSUDA, Osamu OGAWA, Toru TAKI
  • Publication number: 20070012220
    Abstract: The present invention provides an environmentally pollution-free, anti-corrosive pigment composition which is free of any heavy metal such as lead and/or chromium, which is free of zinc and/or water-soluble ions and which is excellent in the anti-corrosive effect. The anti-corrosive pigment composition comprises condensed calcium phosphate prepared by firing a mixture which comprises a calcium-containing component and a phosphorus-containing component and in which the molar ratio (Ca/P=m) of calcium to phosphorus present in these components falls within the following range: 0.50<m<1.00, at a temperature ranging from 180 to 350° C.
    Type: Application
    Filed: September 14, 2006
    Publication date: January 18, 2007
    Applicant: DAI NIPPON TORYO CO., LTD.
    Inventors: Takashi MATSUDA, Osamu OGAWA, Toru TAKI
  • Patent number: 5725911
    Abstract: A method for forming a metal spray coating, which comprises coating on a substrate to be metal-sprayed, one pack type cold self-crosslinking resin aqueous dispersion containing insoluble solid particles having an average particle size of from 5 to 200 .mu.m, to form a primer layer having a rough surface, and then spraying a metal on the primer layer.
    Type: Grant
    Filed: May 24, 1996
    Date of Patent: March 10, 1998
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Kazuyoshi Tsuneta, Kenji Hasui, Toru Taki