Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5356880 | Glycyrrhetinic acid derivatives | Masayasu Kurono, Yoshiro Ishiwata, Syoji Yokochi, Kyoichi Asano, Takahiko Mitani +9 more | 1994-10-18 |
| 5177102 | Polyisoprene compounds and salts thereof | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Ryoichi Unno, Noboru Kuboyama +5 more | 1993-01-05 |
| 5164391 | Hydantoin derivatives for treating complications of diabetes and circulatory diseases | Masayasu Kurono, Ryoichi Unno, Noboru Tomiya, Kiichi Sawai, Kenji Miura +6 more | 1992-11-17 |
| 4985569 | Pyrrolizine derivative and its manufacture | Masayasu Kurono, Yasuaki Kondo, Ryoichi Unno, Yukiharu Matsumoto, Mitsuru Oka +1 more | 1991-01-15 |
| 4897495 | Process for the preparation of pyrrolizine derivatives | Masayasu Kurono, Yasuaki Kondo, Ryoichi Unno, Yukiharu Matsumoto, Mitsuru Oka +1 more | 1990-01-30 |
| 4871740 | Glycyrrhetic acid derivatives and use thereof | Masayasu Kurono, Ryoichi Unno, Mitsuru Oka, Keiko Hasegawa, Shinichi Ikeda +4 more | 1989-10-03 |
| 4868189 | Uracil derivatives for use as anti-tumor agents having silicon containing side chains | Masayasu Kurono, Ryoichi Unno, Hiroshi Ozawa, Takahiko Mitani, Takahito Jomori +3 more | 1989-09-19 |
| 4778797 | Organo-silicon compounds, process for the manufacture of same, and anti-tumor agent comprising the compound | Shigeshi Toyoshima, Masayasu Kurono, Ryoichi Unno, Koichi Ito | 1988-10-18 |
| 4734411 | Pyrrolizidine compounds, salts thereof, process for the preparation of same and pharmaceutical agents comprising same | Masayasu Kurono, Yasuaki Kondo, Takuji Yamaguchi, Toshinao Usui, Ryoichi Unno +7 more | 1988-03-29 |