Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6187336 | Process for producing a solid which is rapidly soluble in the oral cavity | Mutsuo Okumura, Sachio Motegi, Katsuaki MIYAZAKI | 2001-02-13 |
| 6106863 | Sustained-release metal valproate tablets | Mutsuo Okumura, Tadashi Tsukune | 2000-08-22 |
| 5589191 | Slow-release sodium valproate tablets | Hirotaka Endoh | 1996-12-31 |
| 4692337 | Sustained release pharmaceutical tablet of theophylline and production process thereof | Keizaburo Ogawa | 1987-09-08 |
| 4261970 | Theophylline sustained release granule | Keizaburo Ogawa, Satoru Tanaka | 1981-04-14 |