Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634249 | Piston ring and engine | Koji Miyake, Masanori Tsujioka, Satoshi Yoshida | 2020-04-28 |
TO
Takehiko Ooshiro
Nippon Itf: 1 patents #1 of 4Top 25%
Overall (2020): #253,398 of 565,922Top 45%
1
Patents 2020