Patents by Inventor Takayoshi Doi

Takayoshi Doi 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).

  • Toy robot-aircraft watch
    Patent number: D291973
    Type: Grant
    Filed: January 30, 1985
    Date of Patent: September 22, 1987
    Assignee: Takara Co., Ltd.
    Inventor: Takayoshi Doi
  • Reconfigurable toy jet-plane
    Patent number: D293803
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: January 19, 1988
    Assignee: Takara Co., Ltd.
    Inventor: Takayoshi Doi
  • Reconfigurable toy jet-plane
    Patent number: D293804
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: January 19, 1988
    Assignee: Takara Co., Ltd.
    Inventor: Takayoshi Doi
  • Reconfigurable toy jet-plane
    Patent number: D294046
    Type: Grant
    Filed: June 26, 1985
    Date of Patent: February 2, 1988
    Assignee: Takara Co., Ltd.
    Inventor: Takayoshi Doi
  • Reconfigurable toy vehicle
    Patent number: D301356
    Type: Grant
    Filed: December 29, 1986
    Date of Patent: May 30, 1989
    Assignee: Takara Co., Ltd.
    Inventor: Takayoshi Doi