Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9724643 | Exhaust gas purification system for engine | Ko Takayanagi, Keisuke Okuda | 2017-08-08 |
RS
Ryo Sase
Overall (2017): #256,983 of 506,227Top 55%
1
Patents 2017