Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850813 | Variable compression ratio internal combustion engine | Yoshiaki Tanaka | 2017-12-26 |
| 9650952 | Variable compression ratio internal combustion engine | — | 2017-05-16 |
RH
Ryosuke Hiyoshi
Overall (2017): #110,193 of 506,227Top 25%
2
Patents 2017