Patents by Inventor Tsutomu Oshiyama

Tsutomu Oshiyama 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).

  • Patent number: 4562164
    Abstract: A ceramic-like high temperature insulation for electrical coils is provided by mixing a silicone resin, synthetic fluoro-mica and a devitrified mica glass, impregnating an electrical coil with such material, curing the material and then treating the material to an elevated temperature about 300.degree. C. The elevated temperature treatment may be effected either prior to or during use of the coil.
    Type: Grant
    Filed: January 23, 1985
    Date of Patent: December 31, 1985
    Assignee: Nikkiso Co. Ltd.
    Inventors: Haruo Miyazaki, Yasuaki Yamasaki, Tsutomu Oshiyama