Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4710091 | Loading and unloading apparatus | Akio Tsujimura, Hiroshi Tsukiyasu | 1987-12-01 |
| 4378967 | Process for bleaching fibrous material by hydrogen peroxide | Minoru Yotsuya, Kiyoshi Mae, Seikyu Jinnouchi | 1983-04-05 |