Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7148880 | Input operating device for accepting a plurality of input operations by one operating member | — | 2006-12-12 |
| 4969650 | Game machine with automatic judging function | Takashi Ishii, Shigenobu Hagimori | 1990-11-13 |