Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828518 | Double reverse revolution propeller apparatus | Masatoshi Kouda, Hiroshi Takeshita, Katsumi Yonekura, Noboru Tohge, Hiroyuki Hashimoto +4 more | 1989-05-09 |
| 4786264 | Stern tube bearing system of contra-rotating propeller | Kunio Saki, Susumu Matsumoto, Susumu Taniguchi, Shozo Morohoshi, Masatoshi Koda | 1988-11-22 |
| 4481867 | Axial plunger pump or motor | Yukihiko Nagase, Tetsuo Kawasaki, Masato Hiromatsu, Kunio Saki | 1984-11-13 |