Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9567437 | Production method of cyclic polyarylene sulfide | Syunsuke Horiuchi, Junji Ishibashi, Naoto Kumagai, Koji Yamauchi | 2017-02-14 |
| 9150695 | Production method of cyclic polyarylene sulfide | Shunsuke Horiuchi, Naoto Kumagai, Koji Yamauchi | 2015-10-06 |