Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11655741 | Muffler for engine | Masayuki Hara, Noriyoshi Sasaki, Nobuhiro Saitou | 2023-05-23 |
| 7252177 | Exhaust system for engine | — | 2007-08-07 |
| 5419125 | Exhaust-gas recombustion system | Yasuo Fukae | 1995-05-30 |