Issued Patents All Time
Showing 1–25 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6201121 | Process for the preparation of 3-dihalobenzyl-2,4-quinazolinedione derivatives | Hiroyuki Takehara, Yoshitaka Inamoto, Akihito Taniguchi, Masayuki Masumoto | 2001-03-13 |
| 5453497 | Process for producing N.sup.4 -acyl-5'-deoxy-5-fluorocytidine compounds | Makoto Ishiduka, Hiroshi Nakajima | 1995-09-26 |
| 5373000 | 7Beta-(thiadiazolyl)-2-iminoacetamido-3cephem compounds | Yoshimasa Machida, Shigeto Negi, Toshihiko Naito, Yuuki Komatu, Seiichiro Nomoto +2 more | 1994-12-13 |
| 5128465 | Process for the preparation of cephem derivatives and intermediates therefor | Toshihiko Naito, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura, Manabu Sasho +4 more | 1992-07-07 |
| 5089491 | 3-propenylcephem derivative | Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +6 more | 1992-02-18 |
| 5010188 | Cephem derivatives | Hiroshi Yamauchi, Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Yoshimasa Machida +1 more | 1991-04-23 |
| 5008260 | Cephem derivatives | Hiroshi Yamauchi, Isao Sugiyama, Isao Saito, Seiichiro Nomoto, Yoshimasa Machida +1 more | 1991-04-16 |
| 5006649 | 3-propenylcephem derivative | Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +6 more | 1991-04-09 |
| 4931555 | Disulfide substituted oxazetidine derivatives | Yoshihisa Saito, Tsutomu Teraji, Osamu Nakaguit, Teruo Oku, Hitoshi Nakamura +1 more | 1990-06-05 |
| 4929612 | Thiadiazolylacetamide cephem derivatives | Yoshimasa Machida, Shigeto Negi, Yuuki Komatu, Isao Sugiyama, Yasunobu Kai +5 more | 1990-05-29 |
| 4921850 | 3-propenylcephem derivative | Toshihiko Naito, Shigeto Negi, Yuuki Komatu, Yasunobu Kai, Takaharu Nakamura +6 more | 1990-05-01 |
| 4782158 | Thiazolylacetic acid derivative | Kunihiko Tanaka, Tsutomu Teraji, Yoshiharu Nakai | 1988-11-01 |
| 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, Yoshimasa Machida +1 more | 1988-05-31 |
| 4698336 | 3-(pyrrolidinio)methyl-3-cephem derivatives | Isao Saito, Seiichiro Nomoto, Hiroshi Yamauchi, Isao Sugiyama, Yoshimasa Machida +1 more | 1987-10-06 |
| 4599426 | Amino thiazole compounds | Kunihiko Tanaka, Tsutomu Teraji, Yoshiharu Nakai | 1986-07-08 |
| 4596869 | Pyridinyl and pyrimidinyl derivatives | Tsutomu Teraji, Yoshiharu Nakai, Kazuo Sakane, Jiro Goto | 1986-06-24 |
| 4576753 | Azetidinone compounds and processes for preparation thereof | Masashi Hashimoto, Osamu Nakaguti | 1986-03-18 |
| 4560765 | 3,7-Disubstituted-3-cephem-4-carboxylic acid compounds and processes for preparation thereof | Kunihiko Tanaka, Yoshiharu Nakai, Kazuo Sakane | 1985-12-24 |
| 4546176 | 7-Carboxymethoxyphenylacetamido-3-cephem derivatives and antibacterial preparations containing the same | Yoshimasa Machida, Shigeto Negi, Seiichiro Nomoto, Kyosuke Kitoh, Isao Saito | 1985-10-08 |
| 4513145 | 2-Methylchromone derivatives and process for their preparation | Shigeto Negi, Seiichiro Nomoto, Yoshimasa Machida, Isao Saito, Kyosuke Kitoh | 1985-04-23 |
| 4506076 | Amino or amido-thiazolyl, substituted oxyimino disubstituted acetic acid | Kunihiko Tanaka, Tsutomu Teraji, Yoshiharu Nakai | 1985-03-19 |
| 4472309 | 2-Azetidinone compounds and processes for preparation thereof | Masashi Hashimoto, Osamu Nakaguti, Teruo Oku, Yoshiharu Nakai, Hidekazu Takeno | 1984-09-18 |
| 4472300 | Azetidinone derivatives and process for preparation thereof | Yoshihisa Saito, Masashi Hashimoto, Osamu Nakaguti, Teruo Oku, Youichi Shiokawa +5 more | 1984-09-18 |
| 4440766 | 3,7-Disubstituted-3-cephem-4-carboxylic acid compounds | Kunihiko Tanaka, Yoshiharu Nakai, Kazuo Sakane | 1984-04-03 |
| 4435321 | Azetidinone 4-disulfides | Yoshihisa Saito, Tsutomu Teraji, Osamu Nakaguti, Teruo Oku | 1984-03-06 |