Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5234920 | Antibiotic C-7 catechol-substituted cephalosporin compounds, compositions, and method of use thereof | Takaaki Okita, Hajime Kamachi, Shinji Masuyoshi | 1993-08-10 |
| 5143911 | Antibiotic C-3 di-hydroxyphenyl substituted cephalosporin compounds, compositions and method of use thereof | Hajime Kamachi, Takaaki Okita | 1992-09-01 |
| 5126336 | Antibiotic C-3 catechol-substituted cephalosporin compounds, compositions and method of use thereof | Hajime Kamachi, Shinji Masuyoshi, Seiji Iimura, Takayuki Naito | 1992-06-30 |
| 5095012 | Antibiotic C-7 catechol-substituted cephalosporin compounds, compositions, and method of use thereof | Takaaki Okita, Hajime Kamachi, Shinji Masuyoshi | 1992-03-10 |
| 4500526 | Cephalosporin derivatives | Shimpei Aburaki, Yukio Narita, Jun Okumura, Takayuki Naito | 1985-02-19 |