Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018120 | Method for producing terminal carboxyl group-containing polyethylene glycol and method for producing activated polyethylene glycol | Shota SASAKI, Yuichi Takahashi, Atsushi Sato, Toshihiko Hagihara | 2024-06-25 |
| 10407543 | Method for producing polyethylene glycol having terminal carboxyl group | Akiko Doi, Takashi Ichikawa, Takuma TSUBUSAKI | 2019-09-10 |
| 8993687 | Method for production of biodegradable polyoxyethylene derivative | Kosuke Nishiguchi, Yuji Yamamoto | 2015-03-31 |
| 8816099 | Polyfunctional polyoxyalkylene compound, and producing method and intermediate thereof | Ken-ichiro Nakamoto, Masaki Kamiya | 2014-08-26 |
| 8716435 | Multibranched polyoxyalkylene compound and producing method thereof | Ken-ichiro Nakamoto, Chika Itoh | 2014-05-06 |
| 8569444 | Polyalkylene glycol derivative and process for producing same | Ken-ichiro Nakamoto, Chika Itoh, Shuichi Yoshimura | 2013-10-29 |