Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4990508 | Pyridone carboxylic acid derivatives and salts thereof, process for producing the same and antibacterial agents comprising the same | Hirokazu Narita, Yozo Todo, Hiroyasu Takagi, Fumihiko Iino, Mikako Miyajima +2 more | 1991-02-05 |
| 4698352 | 4-oxo-1,4-dihydronicotinic acid derivatives, salts thereof, and antibacterial agents containing the same | Hirokazu Narita, Yoshinori Konishi, Shunjiro Misumi, Hideyoshi Nagaki, Isao Kitayama +5 more | 1987-10-06 |
| 4477666 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +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, Ryuko Takeno, Joji Nakano +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, Ryuko Takeno, Joji Nakano +4 more | 1984-07-17 |
| 4459407 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof | Takako Hori, Chosaku Yoshida, Yasuo Kiba, Ryuko Takeno, Joji Nakano +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, Ryuko Takeno, Joji Nakano +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, Ryuko Takeno, Joji Nakano +4 more | 1984-03-13 |