Patents by Inventor Masaharu Nakashima

Masaharu Nakashima 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).

  • Video camera system with audio switching circuit
    Patent number: 5008756
    Abstract: A video camera system is composed of a camera head unit having an imager and a microphone, a camera control unit connected to the camera head unit through a coaxial cable for controlling the camera head unit, and a microphone for transmitting an output signal through the coaxial cable to the camera control unit. According to this video camera system, a noise component entered the camera control unit from the camera head unit can be reduced, two communication systems can be independently utilized, and a noise component in the coaxial cable can be reduced considerably. In addition, it becomes possible to widen a dynamic range.
    Type: Grant
    Filed: April 17, 1990
    Date of Patent: April 16, 1991
    Inventors: Takashi Nakamura, Yoshimi Yasukochi, Tamotsu Munakata, Masaharu Nakashima
  • Rechargeable battery
    Patent number: D772804
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: November 29, 2016
    Assignee: Sony Corporation
    Inventor: Masaharu Nakashima
  • Rechargeable battery
    Patent number: D849680
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: May 28, 2019
    Assignee: SONY CORPORATION
    Inventor: Masaharu Nakashima
  • Rechargeable battery
    Patent number: D913914
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: March 23, 2021
    Assignee: SONY CORPORATION
    Inventor: Masaharu Nakashima