Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4994848 | Imaging device | Katoh Tokunori, Akao Michitoshi, Sawaki Yukichi, Sonoda Takakuni | 1991-02-19 |
| 4885602 | Exposure system for photo-sensitive recording medium | Kawahara Hiroshi | 1989-12-05 |