Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4797561 | Reading apparatus with improved performance | Yasuo Nishiguchi, Chiaki Matsuyama | 1989-01-10 |
| 4652767 | Reading apparatus with noise reduction | Yasuo Nishiguchi, Chiaki Matsuyama | 1987-03-24 |