Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866171 | (1R,5S,6S)-2-[(6,7-dihydr o-5H-pyrazolo[1,2-a][1,2,4]triazolium-6-yl)]thio-6-[R-1-hydroxyethyl]-1-m ethyl-carbapenum-3-carboxylate | Toshio Kumagai, Hiroshi Matsunaga, Yoshisuke Machida, Yunosuke Nagase, Yoshimitsu Nagao | 1989-09-12 |