Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8952203 | Method for manufacturing hydroxyl group-containing acetal compound | Takashi Ichikawa, Ken-ichiro Nakamoto | 2015-02-10 |
| 8569444 | Polyalkylene glycol derivative and process for producing same | Ken-ichiro Nakamoto, Chika Itoh, Tsuyoshi Takehana | 2013-10-29 |
| 8163869 | Purification method of carboxyl group-containing polyoxyethylene derivative | Ken-ichiro Nakamoto, Satoshi Matsuo, Takashi Ichikawa | 2012-04-24 |
| 8097692 | Purification method of high-molecular-weight polyoxyalkylene derivative | Ken-ichiro Nakamoto, Chika Itoh | 2012-01-17 |
| 8067526 | Method for producing polyoxalkylene derivative | Hiroki Yoshioka, Takashi Matani, Kazuhiro Hashimoto | 2011-11-29 |