Patents by Inventor Masaki Mayuzumi

Masaki Mayuzumi 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 that can be assembled independently by a child
    Patent number: 5310376
    Abstract: A toy that can be assembled by a child. At least one first block element consisting of a rod made of a flexible material including a fitting terminal at one end or opposite ends thereof is provided. The fitting terminal has at least one fitting projection thereon. A second block element has a plurality of fitting holes each adapted to be fitted onto one of the fitting projections. The first block element and the second block element are combined with each other during an assembling operation so as to exhibit a desired three dimensional configuration. Each fitting terminal is provided with a plurality of fitting projections projecting from the outer surface of the fitting terminal so that the fitting projections can be selectively fitted into one of the fitting holes on the second block element. The rod constituting the first block element is composed of a plastically deformable core and a flexible sheath molded of a soft synthetic resin surrounding the core.
    Type: Grant
    Filed: April 19, 1993
    Date of Patent: May 10, 1994
    Assignee: Combi Corporation
    Inventors: Masaki Mayuzumi, Jun Kawahara, Tatsuo Nakamata
  • Pocket game housing
    Patent number: D260537
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: September 1, 1981
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Pocket size game box
    Patent number: D261534
    Type: Grant
    Filed: November 2, 1979
    Date of Patent: October 27, 1981
    Assignee: Tomy Kogyo Co., Inc.
    Inventors: Masaki Mayuzumi, Masaaki Yoshimura
  • Pocket size maze game box
    Patent number: D261911
    Type: Grant
    Filed: October 1, 1979
    Date of Patent: November 17, 1981
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Pocket size game box having rotating striking member
    Patent number: D263862
    Type: Grant
    Filed: January 29, 1980
    Date of Patent: April 13, 1982
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Pocket game
    Patent number: D264097
    Type: Grant
    Filed: September 7, 1979
    Date of Patent: April 27, 1982
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Pocket size game box
    Patent number: D264098
    Type: Grant
    Filed: January 29, 1980
    Date of Patent: April 27, 1982
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Action toy
    Patent number: D269630
    Type: Grant
    Filed: November 12, 1980
    Date of Patent: July 5, 1983
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Game board
    Patent number: D297951
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: October 4, 1988
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Toy manipulator
    Patent number: D300752
    Type: Grant
    Filed: July 23, 1986
    Date of Patent: April 18, 1989
    Assignee: Tomy Kogyo Co., Inc.
    Inventor: Masaki Mayuzumi
  • Tool for playing in sand
    Patent number: D317636
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: June 18, 1991
    Assignee: Tomy Company, Ltd.
    Inventor: Masaki Mayuzumi
  • Tool for playing in sand
    Patent number: D317637
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: June 18, 1991
    Assignee: Tomy Company, Ltd.
    Inventor: Masaki Mayuzumi
  • Tool for playing in sand
    Patent number: D317638
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: June 18, 1991
    Assignee: Tomy Company, Ltd.
    Inventor: Masaki Mayuzumi
  • Tool for playing in sand
    Patent number: D317639
    Type: Grant
    Filed: July 13, 1989
    Date of Patent: June 18, 1991
    Assignee: Tomy Company, Ltd.
    Inventor: Masaki Mayuzumi
  • Toy animal
    Patent number: D356612
    Type: Grant
    Filed: August 19, 1993
    Date of Patent: March 21, 1995
    Assignee: Combi Corporation
    Inventor: Masaki Mayuzumi
  • Pinball toy
    Patent number: D364894
    Type: Grant
    Filed: August 11, 1994
    Date of Patent: December 5, 1995
    Assignee: Combi Corporation
    Inventor: Masaki Mayuzumi