Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5344828 | Piperazinealkanoic acid and a pharmaceutical composition comprising the same | Hiroyuki Sawanishi, Hideo Kato, Eiichi Koshinaka, Nobuo Ogawa, Kouji Morikawa | 1994-09-06 |
| 5334594 | Amphoteric tricyclic compound | Hideo Kato, Shingo Yasuda, Noriyuki Kado, Nobuhiko Iwasaki, Hiroyuki Nishino +1 more | 1994-08-02 |