Patents by Inventor Shu Arai

Shu Arai 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).

  • Wireless telephone handset
    Patent number: D282364
    Type: Grant
    Filed: June 8, 1983
    Date of Patent: January 28, 1986
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Hiroshi Takahashi, Shu Arai, Yasuhiro Kishimoto, Kiyoshi Tomimatsu
  • Wireless telephone set base
    Patent number: D282466
    Type: Grant
    Filed: June 8, 1983
    Date of Patent: February 4, 1986
    Assignee: Sanyo Electric Co. Ltd.
    Inventors: Hiroshi Takahashi, Shu Arai, Yasuhiro Kishimoto, Kiyoshi Tomimatsu