Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8197846 | Sustained release pharmaceutical composition | Kazuhiro Sako, Keiichi Yoshihara, Hiroyuki Kojima | 2012-06-12 |
| 8128958 | Sustained release pharmaceutical composition | Kazuhiro Sako, Hiromu Kondo, Keiichi Yoshihara, Hiroyuki Kojima | 2012-03-06 |
| 7871644 | Pharmaceutical composition for oral use with improved absorption | Shunsuke Watanabe, Shigeo Takemura, Yuuki Tsutsui, Himoru Kondo, Kiyo Nakanishi +1 more | 2011-01-18 |
| 7442387 | Pharmaceutical composition for controlled release of active substances and manufacturing method thereof | Akio Sugihara, Kazuhiro Sako | 2008-10-28 |
| 7008640 | Pharmaceutical composition for oral use with improved absorption | Shunsuke Watanabe, Shigeo Takemura, Yuuki Tsutsui, Hiromu Kondo, Kiyo Nakanishi +1 more | 2006-03-07 |
| 6761895 | Drug delivery system for averting pharmacokinetic drug interaction and method thereof | Kazuhiro Sako, Tatsunobu Yoshioka, Shunsuke Watanabe | 2004-07-13 |
| 6699503 | Hydrogel-forming sustained-release preparation | Kazuhiro Sako, Hiroshi Nakashima, Akira Okada, Muneo Fukui | 2004-03-02 |
| 6562375 | Stable pharmaceutical composition for oral use | Kazuhiro Sako, Keiichi Yoshihara, Tatsunobu Yoshioka, Shunsuke Watanabe | 2003-05-13 |
| 6436441 | Hydrogel-forming sustained-release preparation | Kazuhiro Sako, Hiroshi Nakashima, Akira Okada, Muneo Fukui | 2002-08-20 |