Patents by Inventor Tamotsu Hirosumi

Tamotsu Hirosumi 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).

  • Patent number: 5031913
    Abstract: A dice game unit for playing games by casting a die having a magnet mounted therein and adapted to indicate a particular number of spot(s) on the top thereof after being cast onto a game board arranged to generate a magnetic field. The game unit comprises a plunger for casting a die onto a game board; a plate for recovering the die which has been cast on the game board; a die receiver for receiving the recovered die; and a conveyor for conveying the dice. This dice conveyor is comprised of a belt which is wound around rollers and rotatively driven by a motor. The belt has die holding plates mounted at plurality of places thereon. Each of the die holding plates is arranged to be opened and closed so that it may seize a die from the die receiver.
    Type: Grant
    Filed: October 31, 1990
    Date of Patent: July 16, 1991
    Assignee: Fuji Electronic Industry Co., Ltd.
    Inventors: Tamotsu Hirosumi, Tetsuya Abe