Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5144027 | Cephalosporins, process for producing the same, intermediates thereof and process for producing the intermediates | Hirokazu Narita, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more | 1992-09-01 |
| 4879381 | 7-(substituted or unsubstituted amino) 3-substituted methyl-.sup.3 cephem-4-carboxylic acid | — | 1989-11-07 |
| 4717767 | 7-amino-3-(pyrazinylmethyl) or (pyridazinylmethyl)-cephalosporins | Hiroyuki Imaizumi, Takashi Nagai, Kenji Takeda, Isao Myokan, Takihiro Inaba +4 more | 1988-01-05 |
| 4673738 | Novel intermediates of cephalosporins and process for producing 7-(substituted or unsubstituted amino)-3-substituted methyl-.DELTA..sup.3 -cephem-4-carboxylic acids | Hirokazu Narita, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more | 1987-06-16 |
| 4667040 | Novel process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates | Hiroyuki Imaizumi, Kenji Takeda, Takihiro Inaba, Ryuko Takeno, Seishi Morita +2 more | 1987-05-19 |
| 4618606 | Antibiotic 7-(thiazolyl)-3-(pyrazinylmethyl) or (pyridazinylmethyl) cephalosporins | Hiroyuki Imaizumi, Takashi Nagai, Kenji Takeda, Isao Myokan, Takihiro Inaba +4 more | 1986-10-21 |
| 4614819 | Novel process for producing cephalosporins | Takashi Nagai, Hirokazu Ochiai, Takihiro Inaba, Isao Myokan, Isamu Saikawa | 1986-09-30 |
| 4563534 | Process for producing 2-(2-aminothiazol-4-yl)glyoxylic acid derivative or a salt thereof, and intermediates therefor and process for producing the intermediates | Hiroyuki Imaizumi, Kenji Takeda, Takihiro Inaba, Ryuko Takeno, Seishi Morita +2 more | 1986-01-07 |
| 4489072 | Cephalosporins | Hirokazu Narita, Hiroyuki Imaizumi, Yoshinori Konishi, Takihiro Inaba, Tatsuo Hirakawa +4 more | 1984-12-18 |