Patents by Inventor Masanobu Tateyama

Masanobu Tateyama 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).

  • Portable multiple game assembly
    Patent number: 4275887
    Abstract: A multiple game assembly that can be carried in a player's pocket is provided. A plurality of game boards are contained within the housing assembly and an exterior indicator can select any specific game. When the housing assembly is open the preselected game board is automatically positioned in an operative mode. Each game sheet includes a magnetizable substrate that is capable of retaining magnetic game pieces.
    Type: Grant
    Filed: October 5, 1979
    Date of Patent: June 30, 1981
    Assignee: Takara Co., Ltd.
    Inventor: Masanobu Tateyama