Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5639657 | Process for formation of artificial seaweed bed | Masamichi Saiki, Sadao Ueda | 1997-06-17 |
| 5289980 | Glass vessel crusher | Toshio Shinpo, Sadao Ueda, Yoshifumi Ito | 1994-03-01 |