Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8828373 | Polyalkylene glycol derivative and modified bio-related substance | Ken-ichiro Nakamoto, Syunsuke Ohashi, Yuji Yamamoto, Chika Itoh, Tohru Yasukohchi | 2014-09-09 |
| 8071712 | Multibranched polyoxyalkylene derivative | Hiroki Yoshioka, Tomohiro Shirosaki | 2011-12-06 |
| 8034981 | Modified bio-related substance, process for producing the same, and intermediate | Ken-ichiro Nakamoto, Syunsuke Ohashi, Yuji Yamamoto, Chika Itoh, Tohru Yasukohchi | 2011-10-11 |
| 8012488 | Polyoxyalkylene derivative | Kenichiro Nakamoto, Yuji Yamamoto, Hiroki Yoshioka | 2011-09-06 |
| 8003117 | Polyalkylene glycol derivative and modified bio-related substance | Ken-ichiro Nakamoto, Syunsuke Ohashi, Yuji Yamamoto, Chika Itoh, Tohru Yasukohchi | 2011-08-23 |
| 7851491 | Modified bio-related substance, process for producing the same, and intermediate | Ken-ichiro Nakamoto, Syunsuke Ohashi, Yuji Yamamoto, Chika Itoh, Tohru Yasukohchi | 2010-12-14 |
| 7524875 | Modified bio-related substance, process for producing the same, and intermediate | Ken-ichiro Nakamoto, Syunsuke Ohashi, Yuji Yamamoto, Chika Itoh, Tohru Yasukohchi | 2009-04-28 |
| 6875841 | Polyoxyalkylene derivative and process of producing the same | Kazuhiro Kubo, Syunsuke Ohashi, Chika Itoh | 2005-04-05 |
| 6812367 | Polyethylene glycol and process for producing the same | Kouzoh Sanchika, Tohru Yasukohchi | 2004-11-02 |
| 6620976 | Polyethylene glycol and process for producing the same | Kouzoh Sanchika, Tohru Yasukohchi | 2003-09-16 |