Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4440683 | Cyclization to form cephem ring and azetidinone intermediates therefor | Teruji Tsuji, Yoshio Hahashima, Mitsuru Yoshioka, Masayuki Narisada, Hiroshi Tanida +1 more | 1984-04-03 |
| 4346218 | Cyclization process to form cephem ring | Teruji Tsuji, Yoshio Hamashima, Mitsuru Yoshioka, Masayuki Narisada, Hiroshi Tanida +1 more | 1982-08-24 |
| 4332722 | Cyclization to form cephem ring and intermediates therefor | Teruji Tsuji, Yoshio Hamashima, Mitsuru Yoshioka, Masayuki Narisada, Hiroshi Tanida +1 more | 1982-06-01 |