Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9790829 | System for injecting fuel into exhaust pipe | Yukihiro Kawashima, Isao Shintani | 2017-10-17 |
| 9255516 | System for injecting fuel into exhaust pipe | Yukihiro Kawashima | 2016-02-09 |