Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7220430 | Sustained-release preparation and process for producing the same | Takashi Ishibashi, Kengo Ikegami, Keigo Nagao, Hiroyuki Yoshino | 2007-05-22 |
| 6692768 | Preparation method of drug-containing spherical fine particles | Takashi Ishibashi, Keigo Nagao, Kengo Ikegami, Hiroyuki Yoshino | 2004-02-17 |
| 6692769 | Sustained-release particles | Takashi Ishibashi, Keigo Nagao, Kengo Ikegami, Hiroyuki Yoshino | 2004-02-17 |
| 6638534 | Preparation capable of releasing drug at target site in intestine | Takashi Ishibashi, Hiroaki Kubo, Hiroyuki Yoshino | 2003-10-28 |
| 6309666 | Pharmaceutical preparation in form of coated capsule releasable at lower part of digestive tract | Harumi Hatano, Takahiro Ito, Takashi Ishibashi, Hiroyuki Yoshino | 2001-10-30 |
| 5753672 | Imidazopyridine derivatives and process for preparing the same | Yasuo Sekine, Eiji Kawanishi, Hiroshi Narita, Yoshihiro Hashimoto | 1998-05-19 |