Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5129554 | Catch-in prevention rotary valve | — | 1992-07-14 |
| 4882042 | Floss separating apparatus and method | Koichi Manable, Mitsumura Naka | 1989-11-21 |
| 4304038 | Method of manufacturing small-sized pressure vessel of sheet metal | Yoshinori Yabu, Toshiaki Nishisaka, Shuichiro Katoh, Masaki Nomura, Shiro Matsumoto +1 more | 1981-12-08 |