Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634249 | Piston ring and engine | Takehiko Ooshiro, Koji Miyake, Satoshi Yoshida | 2020-04-28 |
MT
Masanori Tsujioka
Nippon Itf: 1 patents #1 of 4Top 25%
Overall (2020): #353,641 of 565,922Top 65%
1
Patents 2020