Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10030560 | Exhaust purification device | Hirofumi Tongu, Tomoyuki Tsuruta | 2018-07-24 |
| 9822740 | Air intake duct and method for producing same | Masahiro Kimura, Katsunobu Nishida | 2017-11-21 |
| 9617894 | Exhaust gas purification system | Hirofumi Tongu | 2017-04-11 |