Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9376980 | Fuel injection device | Hiroshi Kuzuyama, Tsutomu Kawae, Masahiro Machida | 2016-06-28 |
| 8875488 | Internal combustion engine | Tsutomu Umehara, Hiroshi Kuzuyama | 2014-11-04 |