Patents by Inventor Toshihumi Ueshima

Toshihumi Ueshima 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: 5502095
    Abstract: A thermoplastic elastomer composition comprising (A) 50-98% by weight of a thermoplastic polyester elastomer, (B) 50-2% by weight of a rubber and (C) a polyorganosiloxane in a proportion of 0.01-10 parts by weight per 100 parts of the total of the components (A) and (B). The above thermoplastic elastomer composition enables one to improve the flexibility and compression set of the thermoplastic polyester elastomer excellent mechanical properties, heat resistance and oil resistance without impairing the abrasion resistance of the thermoplastic polyester elastomer.
    Type: Grant
    Filed: November 4, 1993
    Date of Patent: March 26, 1996
    Assignees: Japan Synthetic Rubber Co., Ltd., NTN Corporation
    Inventors: Toshihumi Ueshima, Ko Hasegawa, Toshio Teramoto, Tatsuo Nakajima, Takeyoshi Konomoto