Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959805 | Coordinate detecting device | Hiroaki Sasaki, Kazuo Hasegawa | 1990-09-25 |
| 4801797 | Optical position input device | Hiroaki Sasaki, Kazuo Hasegawa | 1989-01-31 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4959805 | Coordinate detecting device | Hiroaki Sasaki, Kazuo Hasegawa | 1990-09-25 |
| 4801797 | Optical position input device | Hiroaki Sasaki, Kazuo Hasegawa | 1989-01-31 |