Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699503 | Hydrogel-forming sustained-release preparation | Kazuhiro Sako, Hiroshi Nakashima, Toyohiro Sawada, Akira Okada | 2004-03-02 |
| 6506407 | Colon-specific drug release system | Shunsuke Watanabe, Hitoshi Kawai, Masataka Katsuma | 2003-01-14 |
| 6436441 | Hydrogel-forming sustained-release preparation | Kazuhiro Sako, Hiroshi Nakashima, Toyohiro Sawada, Akira Okada | 2002-08-20 |
| 6368629 | Colon-specific drug release system | Shunsuke Watanabe, Hitoshi Kawai, Masataka Katsuma | 2002-04-09 |
| 5576014 | Intrabuccally dissolving compressed moldings and production process thereof | Takao Mizumoto, Yoshinori Masuda | 1996-11-19 |
| 5258186 | Drug release controlling coating material for long acting formulations | Tadayoshi Ohmura, Hiroshi Sugiura, Satoru Yoneya, Toshiharu Hosono, Atsushi Kajiyama | 1993-11-02 |
| 5028664 | Drug-release controlling coating material for long acting formulations | Tadayoshi Ohmura, Hiroshi Sugiura, Satoru Yoneya, Toshiharu Hosono, Atsushi Kajiyama | 1991-07-02 |
| 4772475 | Controlled-release multiple units pharmaceutical formulation | Kouji Tomuro, Shigeru Masuyama, Atsushi Kajiyama, Tamio Hikosaka, Masayoshi Aruga +2 more | 1988-09-20 |
| 4380534 | Solid drug preparations | Yutaka Konno, Yukio Kubota, Masayoshi Aruga, Hiroitsu Kawata | 1983-04-19 |