Patents by Inventor Hirokuni Tanabe

Hirokuni Tanabe 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).

  • Rotary variable resistor
    Patent number: 4359711
    Abstract: In a rotary variable resistor wherein variable resistors which are operated by inner and outer shafts independently of each other are received in a single case; an unrotatable plate member having both its surfaces smoothed is interposed between the inner and outer shafts so as to prevent these shafts from turning together undesirably.
    Type: Grant
    Filed: June 18, 1981
    Date of Patent: November 16, 1982
    Assignee: Alps Electric Co., Ltd.
    Inventors: Hirokuni Tanabe, Masahiro Onodera