Patents by Inventor Shigemichi Oyama

Shigemichi Oyama 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).

  • Combined ceiling fan and light
    Patent number: D334055
    Type: Grant
    Filed: February 14, 1992
    Date of Patent: March 16, 1993
    Assignees: Matsushita Electric Industrial Co., Ltd., Matsushita Seiko Co., Ltd.
    Inventors: Shigemichi Oyama, Mutsumi Sawanishi
  • Combined ceiling fan and light
    Patent number: D352552
    Type: Grant
    Filed: August 26, 1993
    Date of Patent: November 15, 1994
    Assignees: Matsushita Seiko Co., Ltd., Matsushita Electric Industrial Co., Ltd.
    Inventors: Shigemichi Oyama, Mutsumi Sawanishi