Patents by Inventor Yohzoh Matsuzaka

Yohzoh Matsuzaka 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 copying machine
    Patent number: D275960
    Type: Grant
    Filed: April 30, 1982
    Date of Patent: October 16, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Yohzoh Matsuzaka, Shigeki Yasutani
  • Electronic copying machine
    Patent number: D276347
    Type: Grant
    Filed: September 9, 1982
    Date of Patent: November 13, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventor: Yohzoh Matsuzaka
  • Display panel for copying machines
    Patent number: D276440
    Type: Grant
    Filed: September 16, 1982
    Date of Patent: November 20, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Yohzoh Matsuzaka, Shigeki Yasutani, Yuji Ishikawa, Hiroshi Matsumoto, Chosin Nakamine
  • Speaker box
    Patent number: D342949
    Type: Grant
    Filed: February 6, 1992
    Date of Patent: January 4, 1994
    Assignee: Sony Corporation
    Inventor: Yohzoh Matsuzaka