Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458548 | Piston ring and method for manufacturing same | Takehiko Ooshiro, Masanori Tsujioka, Satoshi Yoshida | 2019-10-29 |
| 10358558 | Water-absorbent resin composition, method of manufacturing the same, and absorbent article | Masatoshi Nakamura, Taku Iwamura, Yusuke Watanabe | 2019-07-23 |