Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458548 | Piston ring and method for manufacturing same | Koji Miyake, Masanori Tsujioka, Satoshi Yoshida | 2019-10-29 |
TO
Takehiko Ooshiro
Nippon Itf: 1 patents #9 of 13Top 70%
Overall (2019): #251,206 of 560,194Top 45%
1
Patents 2019