Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6067950 | Two-cycle engine and personal watercraft having it mounted thereon | Yoshinobu Tanaka | 2000-05-30 |
| 6027384 | Four-cycle engine for a small jet boat | Shigemitsu Nitta | 2000-02-22 |
| 5846102 | Four-cycle engine for a small jet boat | Shigemitsu Nitta | 1998-12-08 |