Issued Patents All Time
Showing 76–77 of 77 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4297429 | Photographic material and diffusion transfer processing solution for making printing plates and method for making printing plates | Eiji Kanada, Yasuo Tsubai | 1981-10-27 |
| 4260883 | Optical measurement system | Seiichi Onoda, Yasuo Minai, Minoru Maeda, Shin Kita, Mitsuo Tanaka | 1981-04-07 |