Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4954518 | 4H-1-benzopyran-4-one derivative or its salt, process for producing the same and pharmaceutical composition comprising the same as active ingredient | Shuntaro Takano, Chosaku Yoshida, Takihiro Inaba, Keiichi Tanaka, Hideyoshi Nagaki +2 more | 1990-09-04 |
| 4736026 | Novel process for producing a cephalosporin | Hiroyuki Imaizumi, Takihiro Inaba, Seishi Morita, Yoshiharu Murotani, Hirohiko Fukuda +4 more | 1988-04-05 |
| 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 | Hiroshi Sadaki, Hiroyuki Imaizumi, Kenji Takeda, Takihiro Inaba, Seishi Morita +2 more | 1987-05-19 |
| 4656287 | Aminothiazole intermediate for a cephalosporin | Hiroyuki Imaizumi, Takihiro Inaba, Seishi Morita, Yoshiharu Murotani, Hirohiko Fukuda +4 more | 1987-04-07 |
| 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 | Hiroshi Sadaki, Hiroyuki Imaizumi, Kenji Takeda, Takihiro Inaba, Seishi Morita +2 more | 1986-01-07 |
| 4477666 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Joji Nakano, Jun Nitta +4 more | 1984-10-16 |
| 4477664 | Novel 1-(4-piperidiniobenzyl)-2,3-dioxopiperazine derivatives or acid addition salts thereof | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Joji Nakano, Jun Nitta +4 more | 1984-10-16 |
| 4460774 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Joji Nakano, Jun Nitta +4 more | 1984-07-17 |
| 4459407 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Joji Nakano, Jun Nitta +4 more | 1984-07-10 |
| 4448963 | 4-[4-(Thiazolyl-amino)benzyl]-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Joji Nakano, Jun Nitta +4 more | 1984-05-15 |
| 4436921 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Joji Nakano, Jun Nitta +4 more | 1984-03-13 |