Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5980947 | Process for producing drug-containing microspheres by oil-in-water evaporation process | Ichiro YAMAKAWA, Sumio Watanabe | 1999-11-09 |
| 5254545 | Injectable preparations containing cephalosporin medicament | Yasuo Ishibashi, Isamu Hasegawa, Masanori Kayano, Masahiro Kawahara, Sumio Watanabe | 1993-10-19 |
| 4397951 | Elastase-containing composition permitting elastase to be absorbed in increased amount | Kazuo Taki, Kouichi Katayama | 1983-08-09 |