Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815454 | Percutaneously applicable preparation and suppository containing an antidementia medicament | Naokazu Murahashi, Akira Kato, Yukiko Sugaya | 2004-11-09 |
| 6521639 | Percutaneously applicable preparation and suppository containing an antidementia medicament | Naokazu Murahashi, Akira Kato, Yukiko Sugaya | 2003-02-18 |
| 6372760 | Stabilized composition comprising antidementia medicament | Akira Kato, Tsutomu Harada, Naokazu Murahashi, Yukiko Sugaya | 2002-04-16 |
| 6193993 | Suppository containing an antidementia medicament | Naokazu Murahashi, Akira Kato, Yukiko Sugaya | 2001-02-27 |
| 6060498 | Composition containing antitumor agent | Kazuhide Ashizawa | 2000-05-09 |
| 5093200 | Multilayer sustained release granule | Sumio Watanabe, Ichiro YAMAKAWA, Nobutaka Noda, Yasuo Miyake | 1992-03-03 |