Patents by Inventor Yastami Oka

Yastami Oka 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).

  • Spraying materials containing ceramic needle fiber and composite materials spray-coated with such spraying materials
    Patent number: 4594106
    Abstract: Flame spraying compositions exhibiting improved adherence to a variety of substrates are disclosed, as well as articles coated with such compositions. The spraying compositions comprise a granulated mixture of two components: (1) a powdery material selected from the group consisting of powdered metals, heat resistant ceramics, cermets, and resins; and, (2) a ceramic needle fiber such as whisker crystals of SiC or Si.sub.3 N.sub.4. Articles coated with thin films of these coatings exhibit increased thermal and corrosion resistance.
    Type: Grant
    Filed: February 21, 1984
    Date of Patent: June 10, 1986
    Assignee: Tateho Kagaku Kogyo Kabushiki Kaisha
    Inventors: Minoru Tanaka, Kazuhisa Niwano, Tetsunori Minato, Yastami Oka