Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7891173 | Exhaust gas cleaning apparatus and method thereof | Motoharu Akaba, Takao Inoue, Kimiyoshi Nishizawa | 2011-02-22 |
| 7748213 | Exhaust system | Kenichi Sato, Kimiyoshi Nishizawa | 2010-07-06 |