Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4946862 | Thiophene derivative and process for preparing the same | Kimiaki Hayashi, Yasuhiko Ozaki, Kenji Yamada, Ichizo Inoue | 1990-08-07 |
| 4857543 | Thiophene derivative and process for preparing the same | Kimiaki Hayashi, Yasuhiko Ozaki, Kenji Yamada, Ichizo Inoue | 1989-08-15 |