Patents by Inventor Hajime Dohki

Hajime Dohki 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: 6276682
    Abstract: An air hockey game apparatus provides appropriate dynamic characteristics to the game, thereby effectively improving amusement characteristics of the game. The air hockey game apparatus has a puck sliding surface having blowholes for blowing air to float a puck, an air-blower for blowing and sending air toward blowholes, a puck-reflecting frame around the puck sliding surface, goals on the puck sliding surface, blocking members in the individual goals, opening/closing driving units for changing the open sizes of the individual goals by using the blocking members, and a controller for controlling the opening/closing driving units, thereby allowing competition for entering the puck into the goals.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: August 21, 2001
    Assignee: Konami Co., Ltd.
    Inventors: Akihisa Yamashita, Kojiro Minami, Eita Kada, Hideki Kotani, Yusuke Fujimoto, Hajime Dohki
  • Patent number: 6234476
    Abstract: An air hockey game apparatus allows game players to appropriately recognize statuses such as a game progress status, thereby effectively improving amusement characteristics. The air hockey game apparatus has a puck sliding surface having blowholes for blowing air to float a puck, an air-blower for blowing and sending air toward blowholes, a puck-reflecting frame around the puck sliding surface, and goals on the puck sliding surface. In the air hockey game apparatus, at least one portion of the puck sliding surface is transparent, and display sections are provided under the transparent portion, of which the display mode is changeable. Also, display-mode-setting units for setting the display mode of the display sections are provided, thereby controlling the display sections so as to be in the set display mode.
    Type: Grant
    Filed: January 20, 2000
    Date of Patent: May 22, 2001
    Assignee: Konami Co., Ltd.
    Inventors: Akihisa Yamashita, Kojiro Minami, Eita Kada, Hideki Kotani, Yusuke Fujimoto, Hajime Dohki