Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704440 | Exhaust purification system of internal combustion engine | Shinichiro Otsuka, Noritaka Masumitsu, Ryoko Yamada | 2020-07-07 |
KK
Kenji Katayama
Overall (2020): #391,659 of 565,922Top 70%
1
Patents 2020