Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5103022 | Process for producing an optically active aminoketone derivative | Akira Shiozawa, Kazuhisa Narita, Takeji Sakasai, Kazuo Ohtsuki, Hideo Sugimura +1 more | 1992-04-07 |
| 5057535 | Derivatives of an aminoketone | Akira Shiozawa, Michio Ishikawa, Giichi Izumi, Katsuhiko Sakitama, Kazuhisa Narita +4 more | 1991-10-15 |
| 4237141 | Derivatives of .alpha.-methyl-.beta.-aminopropiophenone and use thereof | Akira Shiozawa, Hiroaki Hamano, Yasuhiko Furuta, Masako Ikeda, Hiroshi Miyazaki +2 more | 1980-12-02 |