Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4406525 | Light beam scanning device | Kiyoshi Itoh | 1983-09-27 |
| 4364535 | Counterbalance mechanism for laser knife device | Kiyoshi Itoh, Teruo Sakai, Harumi Kawasaki | 1982-12-21 |