Patents by Inventor Yoshihumi Kobayashi

Yoshihumi Kobayashi 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).

  • Composite spray coating having improved resistance to hot-dip galvanization
    Patent number: 5472793
    Abstract: A composite spray coating comprises an iron base material, a spray coating film applied thereon and a diffusion layer of aluminum or aluminum-zinc alloy, and is used for hot-dip galvanization.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: December 5, 1995
    Assignee: Tocalo Co., Ltd.
    Inventors: Yoshio Harada, Kazumi Tani, Yoshihumi Kobayashi
  • Composite spray coating having improved resistance to hot-dip galvanization
    Patent number: 5397650
    Abstract: A composite spray coating comprises an iron base material, a spray coating film applied thereon and a diffusion layer of aluminum or aluminum-zinc alloy, and is used for hot-dip galvanization.
    Type: Grant
    Filed: June 7, 1994
    Date of Patent: March 14, 1995
    Assignee: Tocalo Co., Ltd.
    Inventors: Yoshio Harada, Kazumi Tani, Yoshihumi Kobayashi