Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10519824 | Oil supply device of internal combustion engine | Tomohiro Koguchi | 2019-12-31 |
| 10267190 | Engine oil supply apparatus | Tomohiro Koguchi | 2019-04-23 |
| 10240496 | Engine oil supply apparatus | Keiichi Kamimura, Hirokazu Matsuura, Tomohiro Koguchi | 2019-03-26 |
| 10197055 | Oil pump device | Tomohiro Koguchi | 2019-02-05 |
| 10167775 | Auxiliary machine drive device for engine | Tomohiro Koguchi | 2019-01-01 |