Patents by Inventor Shunji Mitaka

Shunji Mitaka 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).

  • Electronic apparatus
    Patent number: 4737903
    Abstract: A power supply unit comprises a plug receptacle for receiving AC power, a power transformer for transforming the AC voltage supplied through the plug receptacle, a power switch for controlling supply and block of the AC voltage supplied through the plug receptacle, to the power transformer, and a printed circuit board for carrying and elecrically interconnecting the plug receptacle, the power transformer and the power switch.
    Type: Grant
    Filed: October 14, 1986
    Date of Patent: April 12, 1988
    Assignee: Canon Kabushiki Kaisha
    Inventors: Hiroshi Nishikawa, Shunji Mitaka
  • Input device
    Patent number: 4096935
    Abstract: An input device is provided with simplified operation for correcting errors. One key is adapted to perform a plurality of key functions, for instance, one function feeds a recording medium backwardly, another prints an error mark. Such key is provided with a bridge member which is interposed, in bridge configuration, between the bottom part of the key top and switch contact member located over other switch contact elements in a pair with said switch contact members. When one key is depressed, a plurality of key switches are actuated.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: June 27, 1978
    Assignee: Canon Kabushiki Kaisha
    Inventors: Takayoshi Hanakata, Shunji Mitaka