Patents by Inventor Takao Soda

Takao Soda 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).

  • Lubricating grease
    Patent number: 5013466
    Abstract: A lubricating grease exhibits good lubricating performance in a hot and high-vacuum environment, and contains an alkyl substituted tetraphenylether as a base oil having incorporated therein bentonite as a thickener and at least one solid lubricant selected from the group consisting of molybdenum disulfide and tungsten disulfide.
    Type: Grant
    Filed: March 21, 1990
    Date of Patent: May 7, 1991
    Assignees: Japan Atomic Energy Research Institute, Natsumra Oil Research Corporation
    Inventors: Kenjiro Obara, Kazuyuki Nakamura, Yoshio Murakami, Takao Soda, Toshihiro Kanie, Tamio Adaka
  • Super highly radiation-resistant grease
    Patent number: 4753741
    Abstract: A radiation-resistant grease that is stable under elevated temperatures is disclosed. The grease is prepared by mixing a bentonite-based thickening agent with a base oil composed of m-(m-phenoxyphenoxy)diphenyl, pentaphenyl ether, a monoalkyltriphenyl ether or a monoalkyltetraphenyl ether (provided that the alkyl group contains 6-20 carbon atoms). To the mixture is added, if necessary, a gelling aid composed of an aliphatic alcohol, an aliphatic ketone and/or an aliphatic carbonate ester.
    Type: Grant
    Filed: May 15, 1987
    Date of Patent: June 28, 1988
    Assignees: Japan Atomic Energy Research Institute, Matsumura Oil Research Corporation
    Inventors: Kazuo Arakawa, Tsuneo Sasuga, Miyuki Hagiwara, Naohiro Hayakawa, Kenzo Yoshida, Hiroshi Nakanishi, Mitsuo Hirohama, Tetsuya Yagi, Tamio Akada, Takao Soda