Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6863609 | Method for controlling movement of viewing point of simulated camera in 3D video game, and 3D video game machine | Nobuya Okuda, Tatsuya Kobayashi, Shigenobu Matsuyama | 2005-03-08 |
| 6612929 | Rotary device for game machine and game machine with rotary device | Yuji Tamura | 2003-09-02 |
| 6462720 | Light-emitting display device, target game apparatus using light-emitting display device, display switching method and target hit display method | Akihisa Yamashita, Kojiro Minami, Katsunori Hirasawa, Masatoshi Mukai, Yutaka Tsuji | 2002-10-08 |
| 6383097 | Table tennis apparatus | Kojiro Minami, Toshimitsu Oishi, Akihisa Yamashita, Hideki Kotani, Katsunori Hirasawa | 2002-05-07 |
| 6220452 | Table tennis ball-sorting device and table tennis apparatus | Akihisa Yamashita, Toshimitsu Oishi, Kojiro Minami, Hideki Kotani, Katsunori Hirasawa | 2001-04-24 |
| 6200236 | Table tennis apparatus | Kojiro Minami, Toshimitsu Oishi, Akihisa Yamashita, Hideki Kotani, Katsunori Hirasawa | 2001-03-13 |
| D425568 | Table for use in a table tennis game machine | Hiroyuki Muraki, Kojiro Minami, Hideki Kotani | 2000-05-23 |
| D414520 | Table tennis game machine | Hiroyuki Muraki, Kojiro Minami, Hideki Kotani | 1999-09-28 |
| D412536 | Game machine | Makiko Otomi, Kojiro Minami | 1999-08-03 |
| D396068 | Optical beam gun for a game machine | Noriyoshi Chikui | 1998-07-14 |
| 5696415 | Electric rotary machine | Kazuyoshi Konaya, Hiroshi Sakakibara | 1997-12-09 |
| 5686773 | Alternator with generally triangular engine-mounting stays | Hiroshi Sakakibara | 1997-11-11 |
| D385586 | Optical beam gun for a game machine | Hiroshi Hanatani | 1997-10-28 |
| 5650675 | Rotary electric machine having variably-dimensioned housing ventilation holes | Kazuyoshi Kanaya, Hiroshi Sakakibara | 1997-07-22 |
| 5424600 | Spark protected alternator | Hiroaki Ishikawa, Kenichi Mizuta | 1995-06-13 |
| 4671930 | High hardness and high toughness nitriding powder metallurgical high-speed steel | Nobuyasu Kawai, Minoru Hirano, Hajime Esaka | 1987-06-09 |
| 4599109 | High hardness and high toughness nitriding powder metallurgical high-speed steel | Nobuyasu Kawai, Minoru Hirano, Hiromune Manto, Hajime Esaka | 1986-07-08 |