Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845211 | Amino-3-substituted-methyl-3-cephem-4-carboxylic acid and lower alkylsilyl derivatives thereof | Tadao Shibanuma, Kohji Nakano, Noriaki Nagano, Ryuichiro Hara, Akio Koda +1 more | 1989-07-04 |