Patents by Inventor Sousuke Miyaji

Sousuke Miyaji 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).

  • Paper feed roller and method of manufacture
    Patent number: 6843761
    Abstract: The present invention relates to paper feed rollers required to transfer papers in printers, facsimiles, copiers, etc. with accurately, and provides novel paper feed rollers which are lighter, less expensive and mass-producible with larger diameters as compared with conventional paper feed rollers. The paper feed roller according to the present invention includes a rotary shaft, a cylindrical roller portion formed by press molding a mixture of a hydraulic composition, followed by curing and hardening, and integrated with an outer periphery of the rotary shaft.
    Type: Grant
    Filed: June 24, 1999
    Date of Patent: January 18, 2005
    Assignee: Sumitomo Osaka Cement Co., Ltd.
    Inventors: Kiyohiko Uchida, Hiroo Ushioda, Satoshi Ozawa, Yasuhiko Shimada, Sousuke Miyaji, Noriyuki Kozakai, Tatsuya Okamura, Masayoshi Konishi