Patents by Inventor Masanobu Hirata

Masanobu Hirata 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).

  • Strain gauge with reduced creep phenomenon by improved insulation layering
    Patent number: 4511877
    Abstract: A strain sensor includes an insulating resin, e.g. polyimide resin, film formed on a beam body having a strain generating section and a wiring layer having a resistance material, e.g. nickel-chrome, layer formed on the polyimide resin film and a gold layer selectively formed on the nickel-chrome layer. A solid powder, e.g. silicon dioxide, is mixed with the polyimide resin film.
    Type: Grant
    Filed: February 9, 1983
    Date of Patent: April 16, 1985
    Assignee: Tokyo Electric Co., Ltd.
    Inventors: Hisashi Nishikawa, Satoshi Suzuki, Masanobu Hirata, Koichiro Sakamoto, Ikuo Fujisawa, Shozo Takeno