Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874856 | 3-(substituted)propenyl-7-(aminothiazolylacetamido) ceph-3-em-4-carboxylic acids and esters thereof | Seiji Iimura, Jun Okumura, Takayuki Naito, Hajime Kamachi | 1989-10-17 |
| 4708955 | 3-(substituted)propenyl-7-aminothiazol-ylcephalosporanic acids and esters thereof | Seiji Iimura, Jun Okumura, Takayuki Naito, Hajime Kamachi | 1987-11-24 |
| 4699979 | 7-amino-3-propenylcephalosporanic acid and esters thereof | Hideaki Hoshi, Jun Okumura, Takayuki Naito, Shimpei Aburaki | 1987-10-13 |
| 4661590 | Substituted vinyl cephalosporins | Hideaki Hoshi, Jun Okumura, Takayuki Naito, Shimpei Aburaki | 1987-04-28 |
| 4591641 | Substituted vinyl cephalosporins | Hideaki Hoshi, Jun Okumura, Takayuki Naito, Shimpei Aburaki | 1986-05-27 |
| 4520022 | Substituted vinyl cephalosporins | Hideaki Hoshi, Jun Okumura, Takayuki Naito, Shimpei Aburaki | 1985-05-28 |