Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447946 | Hydantoin derivatives for treating complications of diabetes | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Naofumi Terada +8 more | 1995-09-05 |
| 5171865 | Process for the preparation of optically active 4-oxo-1-benzopyran-2-carboxylic acid derivatives and intermediates thereof | Masayasu Kurono, Yasuaki Kondo, Toshinao Usui, Ryoichi Unno, Takuji Kakigami +1 more | 1992-12-15 |
| 5164391 | Hydantoin derivatives for treating complications of diabetes and circulatory diseases | Masayasu Kurono, Ryoichi Unno, Hiromoto Kimura, Noboru Tomiya, Kiichi Sawai +6 more | 1992-11-17 |
| 5036080 | (D)-6-fluoro-2,3-dihydro-2',5-dioxo-spiro[4H-1-benzo pyran-4,4'-imidazolide]-2-carboxamide compounds | Masayasu Kurono, Toshinao Usui, Yasuaki Kondo, Kiichi Sawai | 1991-07-30 |
| 5001240 | Process for preparing optically active hydantoins | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Naofumi Terada +5 more | 1991-03-19 |
| 4985574 | Hydantoin derivatives for treating complications of diabetes | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Naofumi Terada +8 more | 1991-01-15 |
| 4985573 | Hydantoin derivatives for treating complications of diabetes | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Naofumi Terada +8 more | 1991-01-15 |
| 4978758 | Hydantoin derivatives for treating complications of diabetes | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Naofumi Terada +8 more | 1990-12-18 |
| 4861792 | Hydantoin derivatives for treating complications of diabetes | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Naofumi Terada +8 more | 1989-08-29 |
| 4678801 | Novel 2-oxopyrrolidine compounds, salts thereof process for the preparation thereof as well as pharmaceutical agent comprising the compound | Masayasu Kurono, Motohide Hayashi, Tsunemasa Suzuki, Yoshihiro Kumagai, Yukiharu Matsumoto +2 more | 1987-07-07 |
| 4435392 | 2,5-Benzodiazocine derivatives and salts thereof, as well as pharmaceutical agent comprising as effective component at least one of the derivatives and salts | Masatoshi Ban, Yutaka Baba, Noriyuki Iwata, Akira Fukui, Mikio Hori +2 more | 1984-03-06 |