Patents by Inventor Tsugio Asano

Tsugio Asano 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).

  • Multiple switch assembly with interlock
    Patent number: 5233140
    Abstract: A switch unit has at least a pair of switches and a pair of push buttons arranged corresponding to the pair of switches. A lock member is arranged between the pair of the push buttons to engagingly lock the movement of one of the push buttons at the time of an operation of the other of the push buttons, whereby an unexpected concurrent operations of the adjoining push buttons may be effectively prevented.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: August 3, 1993
    Assignee: Toyo Denso Kabushiki Kaisha
    Inventors: Tsugio Asano, Yasuji Nojiri