Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5134138 | Phenacylpyridiniothiocephalosporins | Hiroshi Onoue, Koji Ishikura | 1992-07-28 |
| 5017380 | Gelatin hard capsule containing crystalline hydrate of oral cephalosporin | Yoshio Hamashima, Kyozo Kawata, Teruo Sakamoto, Toyohiko Takeda, Yusuke Suzuki +1 more | 1991-05-21 |
| 4933443 | Method for preparing crystalline hydrate of oral celphalosporin and its composition | Yoshio Hamashima, Kyozo Kawata, Teruo Sakamoto, Toyohiko Takeda, Yusuke Suzuki +1 more | 1990-06-12 |
| 4812561 | Crystalline hydrate of oral cephalosporin and its composition | Yoshio Hamashima, Kyozo Kawata, Teruo Sakamoto, Toyohiko Takeda, Yusuke Suzuki +1 more | 1989-03-14 |
| 4731361 | Alkeneamidocephalosporin esters | Yoshio Hamashima, Koji Ishikura, Tadatoshi Kubota, Tadashi Yoshida | 1988-03-15 |
| 4731362 | Alkylcarbamoyloxymethylcephem compounds | Yoshio Hamashima, Teruji Tsuji, Tetsuo Okada, Hiroyuki Ishitobi, Koji Ishikura | 1988-03-15 |
| 4578378 | (Oxoheterocyclic carbonamido)cephem carboxylic acid derivatives | Yoshio Hamashima, Koji Ishikura, Tadatoshi Kubota | 1986-03-25 |