Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4863925 | Cyclohexanedione derivative for hepatic disorders and a process for producing the same | Shuhei Kubota, Kunikazu Hiraga, Keisuke Nakayama | 1989-09-05 |
| 4835153 | Malonic acid derivatives | Shuhei Kabota, Kunikazu Hiraga, Keisuke Nakayama, Kuniaki Taninaka | 1989-05-30 |
| 4816475 | 1,3,5-trithian derivatives and pharmaceutical compositions | Masashi Nagamine, Kunikazu Hiraga, Atsushi Sakai | 1989-03-28 |