Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7789195 | Muffler of internal combustion engine | Tomoki Mabuchi, Norihiko Sawada | 2010-09-07 |
| 7690479 | Silencer | Hirotoshi Tanaka, Masayuki Yokoi, Hisashi Nishino, Tomoki Mabuchi | 2010-04-06 |