Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699500 | Sustained-release preparation capable of releasing a physiologically active substance | Yayoi Douken | 2004-03-02 |
| 6376461 | Sustained-release preparation | Yasutaka Igari, Yutaka Yamagata, Satoshi Iinuma, Kazumichi Yamamoto | 2002-04-23 |
| 6190700 | Production of sustained-release preparation for injection | Yayoi Douken, Akihiro Yamada | 2001-02-20 |
| 6113943 | Sustained-release preparation capable of releasing a physiologically active substance | Yayoi Douken | 2000-09-05 |
| 5814342 | Prolonged release microcapsules | Yayoi Inoue, Yasuaki Ogawa | 1998-09-29 |
| 5750100 | Sustained releasable parenteral pharmaceutical preparations and method of producing the same | Yutaka Yamagata, Katsumi Iga | 1998-05-12 |
| 5652220 | Encapsulation of TRH or its analog | Toshiro Heya, Yasuaki Ogawa | 1997-07-29 |
| 5643607 | Prolonged release microcapsules | Yayoi Inoue, Yasuaki Ogawa | 1997-07-01 |
| 5631020 | Method for producing microcapsule | Yasuaki Ogawa, Takatsuka Yashiki | 1997-05-20 |
| 5631021 | Method for producing microcapsule | Yasuaki Ogawa, Takatsuka Yashiki | 1997-05-20 |
| 5628993 | Sustained releasable parenteral pharmaceutical preparations and method of producing the same | Yutaka Yamagata, Katsumi Iga | 1997-05-13 |
| 5480656 | Prolonged release microcapsules | Yayoi Inoue, Yasuaki Ogawa | 1996-01-02 |
| 5476663 | Prolonged release microcapsule | Yasuaki Ogawa, Takatsuka Yashiki | 1995-12-19 |
| 5442043 | Peptide conjugate | Makoto Fukuta, Satoshi Iinuma | 1995-08-15 |
| 5422363 | Stable pharmaceutical composition of fumagillol derivatives | Shigeo Yanai, Kazuhiro Saito | 1995-06-06 |
| 5271945 | Sustained release microcapsule for water soluble drug | Toshio Yoshioka, Yasuaki Ogawa | 1993-12-21 |
| 5202352 | Intravascular embolizing agent containing angiogenesis-inhibiting substance | Shigeru Kamei, Toshio Yoshioka | 1993-04-13 |
| 5196406 | Cyclodextrin complex of fumagillin derivative | Shigeru Kamei, Katsuichi Sudo, Shoji Kishimoto | 1993-03-23 |
| 5061492 | Prolonged release microcapsule of a water-soluble drug | Yasuaki Ogawa, Takatsuka Yashiki | 1991-10-29 |
| 4917893 | Prolonged release microcapsules | Yasuaki Ogawa, Takatsuka Yashiki | 1990-04-17 |
| 4849228 | Polymer, production and use thereof | Masaki Yamamoto, Yasuaki Ogawa, Tsutomu Miyagawa | 1989-07-18 |
| 4728721 | Polymer, production and use thereof | Masaki Yamamoto, Yasuaki Ogawa, Tsutomu Miyagawa | 1988-03-01 |
| 4711782 | Prolonged release microcapsules and their production | Yasuaki Ogawa, Takatsuka Yashiki | 1987-12-08 |
| 4659696 | Pharmaceutical composition and its nasal or vaginal use | Shin-ichiro Hirai, Takatsuka Yashiki | 1987-04-21 |
| 4652441 | Prolonged release microcapsule and its production | Yasuaki Ogawa, Takatsuka Yashiki | 1987-03-24 |