Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5373000 | 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds | Yoshimasa Machida, Takashi Kamiya, Shigeto Negi, Toshihiko Naito, Yuuki Komatu +2 more | 1994-12-13 |
| 5151417 | 3-substituted vinyl cephalosporin derivatives | Manabu Sasho, Motosuke Yamanaka, Takaharu Nakamura, Kanemasa Katsu, Isao Sugiyama +2 more | 1992-09-29 |
| 5128465 | Process for the preparation of cephem derivatives and intermediates therefor | Takashi Kamiya, Toshihiko Naito, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +4 more | 1992-07-07 |
| 5089491 | 3-propenylcephem derivative | Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more | 1992-02-18 |
| 5010188 | Cephem derivatives | Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Takashi Kamiya, Yoshimasa Machida +1 more | 1991-04-23 |
| 5008260 | Cephem derivatives | Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Takashi Kamiya, Yoshimasa Machida +1 more | 1991-04-16 |
| 5006649 | 3-propenylcephem derivative | Takashi Kamiya, Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai +6 more | 1991-04-09 |
| 4929612 | Thiadiazolylacetamide cephem derivatives | Yoshimasa Machida, Shigeto Negi, Takashi Kamiya, Yuuki Komatu, Isao Sugiyama +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 | Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Takashi Kamiya, Yoshimasa Machida +1 more | 1988-05-31 |
| 4721788 | 4-cyanopiperidine derivatives | Seiichiro Nomoto, Isao Sugiyama, Yuuki Komatu, Takeo Kanai, Keizo Takayanagi +3 more | 1988-01-26 |
| 4698336 | 3-(pyrrolidinio)methyl-3-cephem derivatives | Isao Saito, Seiichiro Nomoto, Takashi Kamiya, Isao Sugiyama, Yoshimasa Machida +1 more | 1987-10-06 |
| 4468394 | Cephalosporin compounds | Yoshimasa Machida, Isao Saito, Isao Sugiyama, Shigeto Negi, Seiichiro Nomoto +2 more | 1984-08-28 |
| 4448775 | 3-Carbamoyloxymethylcephem derivatives, and antibacterial drugs containing same | Shigeto Negi, Yoshimasa Machida, Isao Saito, Yoshikazu Hasagawa, Tamio Kawamura | 1984-05-15 |
| 4352801 | Cephem derivatives and antibacterial agents comprising said compounds | Seiichiro Nomoto, Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Isao Sugiyama +2 more | 1982-10-05 |
| 4331606 | N-(Substituted chromone-3-carbonyl)-phenylglycine derivatives | Seiichiro Nomoto, Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Isao Sugiyama +2 more | 1982-05-25 |
| 4309354 | Chromone derivatives | Seiichiro Nomoto, Hironori Ikuta, Yoshimasa Machida, Shigeto Negi, Isao Sugiyama +2 more | 1982-01-05 |