Patents by Inventor Kanji Fujiyoshi

Kanji Fujiyoshi 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).

  • Powder coating composition comprising a mixture of a polyester and plural silicone compounds
    Patent number: 4107148
    Abstract: A hydroxyl terminated copolyester which is basically constituted with ethylene glycol and terephthalic acid is formulated into a heat curable powder coating composition by mixing with specific plural silicone compounds. The resultant paint film is excellent in flatness and free from leveling faults and has superior properties.
    Type: Grant
    Filed: August 20, 1975
    Date of Patent: August 15, 1978
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kanji Fujiyoshi, Minoru Fukuda, Yutaka Mizumura, Junji Sono, Iori Naito
  • Powder coating composition
    Patent number: 4075261
    Abstract: A powder coating composition comprising1. an unsaturated polyester which is prepared by reactingA. terephthalic acid or its lower alkyl ester, andB. an .alpha.-olefinic dicarboxylic acid, andC. optionally an organic acid having at least three carboxy groups in the molecule or its functional derivative, andD. an aliphatic or alicyclic glycol; and2. an organic peroxide and a molecular terminal cross linking or bridging agent, said powder coating composition being able to form a film having excellent properties, such as excellent gloss, hardness, impact strength, heat resistance, weatherability and corrosion resistance.
    Type: Grant
    Filed: May 22, 1975
    Date of Patent: February 21, 1978
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kanji Fujiyoshi, Yutaka Mizumura, Junji Sono
  • Powder coating composition
    Patent number: 3953403
    Abstract: A powder coating composition comprising1. an unsaturated polyester which is prepared by reactingA. terephthalic acid or its lower alkyl ester, andB. an .alpha.-olefinic dicarboxylic acid, andC. optionally an organic acid having at least three carboxy groups in the molecule or its functional derivative, andD. an aliphatic or alicyclic glycol; and2. an organic peroxide and a molecular terminal cross linking or bridging agent, said powder coating composition being able to form a film having excellent properties, such as excellent gloss, hardness, impact strength, heat resistance, weatherability and corrosion resistance.
    Type: Grant
    Filed: June 25, 1973
    Date of Patent: April 27, 1976
    Assignee: Toyo Boseki Kabushiki Kaisha
    Inventors: Kanji Fujiyoshi, Yutaka Mizumura, Junji Sono