Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5047555 | 4-aminophenol derivatives and processes for preparing the same | Hirozumi Inoue, Kei Tsuzurahara, Katsuo Ikezawa | 1991-09-10 |
| 4256751 | Tetrahydroisoquinoline derivatives | Kimiaki Hayashi, Jyoji Kato, Naoto Yoneda | 1981-03-17 |