Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6223705 | Two-stroke internal combustion engine | Shigeru Sato, Mitsujiro Mochizuka, Kentaro Matsuo | 2001-05-01 |
| 4934345 | Two-cycle internal combustion engine | Takashi Fukuoka, Mitsujiro Mochizuka | 1990-06-19 |