Patents by Inventor Kooji Yamada

Kooji Yamada 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).

  • Vitreous enamel compositions
    Patent number: 4172733
    Abstract: A vitreous enamel composition comprising 1 part by weight of a vitreous enamel solid component composed of (1) 90-99.9 wt. % of glass powder consisting predominantly of 40 to 80 wt. % of SiO.sub.2, 1-25 wt. % of at least one of B.sub.2 O.sub.3 and CaO, and 1-20 wt. % of R.sub.2 O in which R is K, Na or Li, and (2) 0.1-10 wt. % of palladium powder, and 1-20 parts by weight of an organic vehicle.
    Type: Grant
    Filed: November 15, 1977
    Date of Patent: October 30, 1979
    Assignee: Okuno Chemical Industry Co., Ltd.
    Inventors: Yukikazu Moritsu, Kooji Yamada, Masatoshi Wada, Eiji Munemoto
  • Vitreous enamel composition containing palladium powder
    Patent number: 4150995
    Abstract: A vitreous enamel composition comprising 1 part by weight of a vitreous enamel solid component composed of (1) 90- 99.9 wt. % of glass powder consisting of 30 to 70 wt. % of SiO.sub.2, 1- 65 wt. % of PbO, and 1-- 15 wt. % of R.sub.2 O in which R is K, Na or Li, and (2) 0.1-- 10 wt. % of palladium powder, and 1- 20 parts by weight of an organic vehicle.
    Type: Grant
    Filed: November 23, 1977
    Date of Patent: April 24, 1979
    Assignee: Okuno Chemical Industry Co., Ltd.
    Inventors: Yukikazu Moritsu, Kooji Yamada, Masatoshi Wada, Eiji Munemoto