Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5152138 | Exhaust system for sideway-mounted engine | Koji Tanabe, Mamoru Tsumori, Masao Sugiyama, Yasushi Zaiki | 1992-10-06 |
| 5025890 | Engine exhaust apparatus | Nobuyasu Hisashige, Makoto Shinhama | 1991-06-25 |