Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8828373 | Polyalkylene glycol derivative and modified bio-related substance | Ken-ichiro Nakamoto, Yuji Yamamoto, Kenji Sakanoue, Chika Itoh, Tohru Yasukohchi | 2014-09-09 |
| 8034981 | Modified bio-related substance, process for producing the same, and intermediate | Ken-ichiro Nakamoto, Yuji Yamamoto, Kenji Sakanoue, Chika Itoh, Tohru Yasukohchi | 2011-10-11 |
| 8003117 | Polyalkylene glycol derivative and modified bio-related substance | Ken-ichiro Nakamoto, Yuji Yamamoto, Kenji Sakanoue, Chika Itoh, Tohru Yasukohchi | 2011-08-23 |
| 7851491 | Modified bio-related substance, process for producing the same, and intermediate | Ken-ichiro Nakamoto, Yuji Yamamoto, Kenji Sakanoue, Chika Itoh, Tohru Yasukohchi | 2010-12-14 |
| 7524875 | Modified bio-related substance, process for producing the same, and intermediate | Ken-ichiro Nakamoto, Yuji Yamamoto, Kenji Sakanoue, Chika Itoh, Tohru Yasukohchi | 2009-04-28 |
| 6875841 | Polyoxyalkylene derivative and process of producing the same | Kenji Sakanoue, Kazuhiro Kubo, Chika Itoh | 2005-04-05 |