Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5694895 | Outboard engine structure | Masaki Tsunoda, Takao Kashima, Mituru Nakamura, Kazuhiro Satou | 1997-12-09 |
| 5617821 | 4-cycle engine | Masaki Tsunoda, Sadafumi Shidara | 1997-04-08 |