Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5006649 | 3-propenylcephem derivative | Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more | 1991-04-09 |
| 4929612 | Thiadiazolylacetamide cephem derivatives | Shigeto Negi, Takashi Kamiya, Yuuki Komatu, Isao Sugiyama, Yasunobu Kai +5 more | 1990-05-29 |
| 4921850 | 3-propenylcephem derivative | Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more | 1990-05-01 |
| 4748171 | Cephem compounds having at the 3-position a (1,4-methylene-1-piperidinio)methyl group or a (1-quinuclidinio)methyl group | Hiroshi Yamauchi, Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Takashi Kamiya +1 more | 1988-05-31 |
| 4698336 | 3-(pyrrolidinio)methyl-3-cephem derivatives | Isao Saito, Seiichiro Nomoto, Takashi Kamiya, Hiroshi Yamauchi, Isao Sugiyama +1 more | 1987-10-06 |
| 4546176 | 7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacterial preparations containing the same | Shigeto Negi, Seiichiro Nomoto, Takashi Kamiya, Kyosuke Kitoh, Isao Saito | 1985-10-08 |
| 4513145 | 2-Methylchromone derivatives and process for their preparation | Shigeto Negi, Seiichiro Nomoto, Takashi Kamiya, Isao Saito, Kyosuke Kitoh | 1985-04-23 |
| 4468394 | Cephalosporin compounds | Isao Saito, Isao Sugiyama, Shigeto Negi, Seiichiro Nomoto, Hironori Ikuta +2 more | 1984-08-28 |
| 4448775 | 3-Carbamoyloxymethylcephem derivatives, and antibacterial drugs containing same | Shigeto Negi, Hiroshi Yamauchi, Isao Saito, Yoshikazu Hasagawa, Tamio Kawamura | 1984-05-15 |
| 4415567 | 7.alpha.-Methoxycephalosporin derivatives, and antibacterial drugs containing the same | Isao Saito, Seiichiro Nomoto, Shigeto Negi, Hironori Ikuta, Kyosuke Kitoh | 1983-11-15 |
| 4352801 | Cephem derivatives and antibacterial agents comprising said compounds | Seiichiro Nomoto, Hironori Ikuta, Shigeto Negi, Isao Sugiyama, Hiroshi Yamauchi +2 more | 1982-10-05 |
| 4344944 | 7-.alpha.-methoxycephalosporin derivatives, and antibacterial drugs onctaining the same | Isao Saito, Seiichiro Nomoto, Shigeto Negi, Hironori Ikuta, Kyosuke Kitoh | 1982-08-17 |
| 4331606 | N-(Substituted chromone-3-carbonyl)-phenylglycine derivatives | Seiichiro Nomoto, Hironori Ikuta, Shigeto Negi, Isao Sugiyama, Hiroshi Yamauchi +2 more | 1982-05-25 |
| 4309354 | Chromone derivatives | Seiichiro Nomoto, Hironori Ikuta, Shigeto Negi, Isao Sugiyama, Hiroshi Yamauchi +2 more | 1982-01-05 |
| 4285939 | Cephalosporin derivatives, and antibacterial drugs containing the derivatives | Isao Saito, Motosuke Yamanaka, Seiichiro Nomoto, Shigeto Negi, Kyosuke Kitoh +4 more | 1981-08-25 |
| 4285940 | Cephalosporin derivatives, and antibacterial drugs comprising said derivatives | Isao Saito, Seiichiro Nomoto, Shigeto Negi, Hironori Ikuta, Kyosuke Kitoh | 1981-08-25 |
| 4285941 | Cephalosporin compounds and antibacterial drugs containing the same | Isao Saito, Seiichiro Nomoto, Shigeto Negi, Takeo Kanai, Kyosuke Kitoh +3 more | 1981-08-25 |