Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10634249 | Piston ring and engine | Takehiko Ooshiro, Masanori Tsujioka, Satoshi Yoshida | 2020-04-28 |
| 10561828 | Treatment tool for endoscope | Koji Onishi, Masaru Yuasa, Norichika FUKUSHIMA, Shunsuke MIYAUCHI | 2020-02-18 |