Patents by Inventor Yasuo Yoneyama

Yasuo Yoneyama 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: 4683352
    Abstract: A changeover switch comprising a casing body including two switch mechanisms each having two fixed contacts, a common contact located between the fixed contacts, and a movable contact strip attached to the common contact and adapted to alternatively touch the fixed contacts. A partition wall is provided between the switch mechanisms. Conductors are provided inside the partition wall for cross-connecting the fixed contacts of the switch mechanisms.
    Type: Grant
    Filed: July 10, 1986
    Date of Patent: July 28, 1987
    Assignee: Fujisoku Electric Co., Ltd.
    Inventors: Takashi Yano, Yasuo Yoneyama