Patents by Inventor Toshiro Hoshino

Toshiro Hoshino 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).

  • Paste extrusion of PTFE
    Patent number: 4145385
    Abstract: The fibrillated surface layer of an unsintered extruded mass of a polytetrafluoroethylene is broken by mechanical or electrical force to facilitate evaporation of the lubricant whereby a molded article which is free from defects such as cracks and blisters is obtained upon sintering.
    Type: Grant
    Filed: December 15, 1977
    Date of Patent: March 20, 1979
    Assignee: Daikin Kogyo Co., Ltd.
    Inventors: Junichi Sako, Norimasa Honda, Hideo Tokunaga, Toshiro Hoshino, Shin-ichiro Kai