Patents by Inventor Kenji Tsurushita

Kenji Tsurushita 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).

  • Electrically insulating material
    Patent number: 4937305
    Abstract: The present invention is an electrically insulating material, comprising a cured product of a liquid polymer composition comprising a hydrogenated product of a liquid polyisoprene containing hydroxyl groups and a polyisocyanate compound, which is useful for electronic and electrical circuit boards; the molding materials for current transformers or transformers; molding materials for connecting portions such as cables, impregnation of casting materials for transformers or coils, etc.
    Type: Grant
    Filed: September 27, 1988
    Date of Patent: June 26, 1990
    Assignee: Idemitsu Petrochemical Co., Ltd.
    Inventors: Kohei Okamoto, Kenji Tsurushita, Isao Fujii