Patents by Inventor Shigeru Kitsuyu

Shigeru Kitsuyu 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 music synthesizer
    Patent number: D305772
    Type: Grant
    Filed: August 31, 1987
    Date of Patent: January 30, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventor: Shigeru Kitsuyu
  • Electronic keyboard musical instrument
    Patent number: D313035
    Type: Grant
    Filed: August 24, 1988
    Date of Patent: December 18, 1990
    Assignee: Casio Computer Co., Ltd.
    Inventors: Tatsuo Katsuhara, Shigeru Kitsuyu