Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469696 | Position detector | Hirotsugu Tomizawa | 2002-10-22 |
| 4940234 | Video game machine | Nobuaki Ishida, Hiroshi Murayama | 1990-07-10 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469696 | Position detector | Hirotsugu Tomizawa | 2002-10-22 |
| 4940234 | Video game machine | Nobuaki Ishida, Hiroshi Murayama | 1990-07-10 |