Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952125 | Polyoxyethylene derivative having plural hydroxyl groups at terminal end thereof | Hiroki Yoshioka, Yuji Yamamoto | 2015-02-10 |
| 8067526 | Method for producing polyoxalkylene derivative | Hiroki Yoshioka, Shuichi Yoshimura, Kazuhiro Hashimoto | 2011-11-29 |