Patents by Inventor Yasuo Takeyoshi

Yasuo Takeyoshi 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).

  • Variable resistor
    Patent number: 3953820
    Abstract: A variable resistor provided with a mechanism which permits the tap resistance to be varied non-linearly; that is, the mechanism permits a contactor to be displaced at a varying rate in response to the operation of input means at a constant rate.
    Type: Grant
    Filed: August 29, 1974
    Date of Patent: April 27, 1976
    Assignee: Matsushita Electric Industrial Company, Ltd.
    Inventors: Matsuo Nishioka, Yasuo Takeyoshi, Shunzo Oka