Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4505217 | Rigid marine sail | Yoichi Endo, Kazuo Nakanishi, Terukazu Doi, Katsunori Kusumoto, Kazuyuki Shimizu +3 more | 1985-03-19 |
| 4436482 | Constant ship speed control method | Morio Inoue, Satoshi Hoshino, Takashi Watari | 1984-03-13 |