Patents by Inventor Akira Teramae

Akira Teramae 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).

  • Topcoated phosphated bolts, nuts and washers
    Patent number: 4074011
    Abstract: A bolt, nut and washer is first coated with an under-coating consisting of metal phosphate, and is then coated with a second or top coating consisting of a chromium compound and one or more of a metal salt of higher fatty acid, polyolefin and polyethylene tetrafluoride dissolved or dispersed in a vehicle. The composite coating improves the corrosion resisting and lubricating properties of bolts, nuts and washers coated therewith, and also serves as an excellent base for paints.
    Type: Grant
    Filed: August 27, 1976
    Date of Patent: February 14, 1978
    Assignee: Nippon Steel Corporation
    Inventors: Akira Teramae, Koji Yamada, Hironobu Kawasaki