Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10077839 | Piston ring and process for producing same | Takehiko Ooshiro, Satoshi Yoshida, Eishi Fujimagari, Takeyuki Yamasaki, Hidetoshi CHIBA | 2018-09-18 |
| 9926449 | Water-absorbent resin composition, method of manufacturing the same, and absorbent article | Masatoshi Nakamura, Taku Iwamura, Yusuke Watanabe | 2018-03-27 |