Patents by Inventor Jyunji Matsushima

Jyunji Matsushima 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).

  • Charging apparatus
    Patent number: 5883494
    Abstract: In a case where an AC power is supplied from an AC power source to an AC circuit unit, the AC circuit unit and an DC circuit are connected to each other, a DC power is supplied from the AC circuit unit to the DC circuit unit, the DC power is converted to a required working voltage, and on the other hand, in a case where a DC power is supplied from a DC power source to the DC circuit unit, the DC power is converted to a required working voltage, and the DC power obtained as described above is used as a charging power for charging the secondary battery.
    Type: Grant
    Filed: November 20, 1996
    Date of Patent: March 16, 1999
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Atsushi Kobayashi, Jyunji Matsushima, Teruaki Honda, Yutaka Ishihara
  • Clamp mechanism of an electronic apparatus
    Patent number: 4756175
    Abstract: In a clamp mechanism for an electronic apparatus, a part of knurled wheel is exposed from a housing so as to manually rotate a male screw for clamping the electronic apparatus, and rotation of the knurled wheel is locked by a key-lock means for protection against burglary.
    Type: Grant
    Filed: March 11, 1987
    Date of Patent: July 12, 1988
    Assignee: Mitsubishi Denki Kubushiki Kaisha
    Inventors: Jyunji Matsushima, Shinji Miyata, Kunitoshi Yoshitaka