Patents by Inventor Akira Matsuhashi

Akira Matsuhashi 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).

  • Touch sensor
    Patent number: 4912988
    Abstract: A touch sensor comprises a probe disposed on a rotatable shaft projecting from one side of a housing and adapted to rotate the shaft when an object to be detected is brought into contact therewith as well as a contact disposed in the housing and adapted to issue a trigger signal as it is turned on or off by the rotation of the shaft.
    Type: Grant
    Filed: July 5, 1988
    Date of Patent: April 3, 1990
    Assignee: Metrol Co., Ltd.
    Inventor: Akira Matsuhashi