Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5120746 | Amine derivatives, salts thereof, process for preparing the same and an anti-ulcer agent containing the same | Shiro Hirai, Hiroshi Hirano, Hirotoshi Arai, Hisanari Shibata, Yoshikazu Kusayanag +3 more | 1992-06-09 |
| 4923882 | Novel amine derivatives, salts thereof and an anti-ulcer agent containing the same | Shiro Hirai, Hiroshi Hirano, Hirotoshi Arai, Hisanari Shibata, Yoshikazu Kusayanag +3 more | 1990-05-08 |
| 4643849 | Intermediates for urea and thiourea derivatives | Shiro Hirai, Hiroshi Hirano, Hirotoshi Arai, Hisanari Shibata, Yoshikazu Kusayanagi +3 more | 1987-02-17 |
| 4610983 | N-acyl acidic amino acid diamide derivative, a salt thereof, and an anti-ulcer agent containing the same | Noboru Takagawa, Shiro Hirai, Takuya Kodama, Hiroshi Hirano, Mikio Kawabata +2 more | 1986-09-09 |
| 4477666 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives, acid addition salts thereof and process for producing same | Takako Hori, Chosaku Yoshida, Ryuko Takeno, 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, Ryuko Takeno, 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, Ryuko Takeno, Joji Nakano, Jun Nitta +4 more | 1984-07-17 |
| 4459407 | 1-(4-Aminobenzyl)-2,3-dioxopiperazine derivatives and salts thereof | Takako Hori, Chosaku Yoshida, Ryuko Takeno, 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, Ryuko Takeno, 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, Ryuko Takeno, Joji Nakano, Jun Nitta +4 more | 1984-03-13 |