Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857543 | Thiophene derivative and process for preparing the same | Kimiaki Hayashi, Yasuhiko Ozaki, Kenji Yamada, Hideyuki Takenaga | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857543 | Thiophene derivative and process for preparing the same | Kimiaki Hayashi, Yasuhiko Ozaki, Kenji Yamada, Hideyuki Takenaga | 1989-08-15 |