Patents by Inventor Itsumi Ohzu

Itsumi Ohzu 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).

  • Combined portable radio receiver and calculator
    Patent number: D294572
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: March 8, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu
  • Combined portable radio receiver and calculator
    Patent number: D294573
    Type: Grant
    Filed: December 18, 1985
    Date of Patent: March 8, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu
  • Portable television set
    Patent number: D294699
    Type: Grant
    Filed: September 12, 1985
    Date of Patent: March 15, 1988
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu
  • Portable radio receiver
    Patent number: D301716
    Type: Grant
    Filed: June 5, 1986
    Date of Patent: June 20, 1989
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu
  • Portable radio receiver
    Patent number: D302014
    Type: Grant
    Filed: June 5, 1986
    Date of Patent: July 4, 1989
    Assignee: Casio Computer Co., Ltd.
    Inventor: Itsumi Ohzu