Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6395681 | Fluorene compounds | Takamichi Amako | 2002-05-28 |
| 4820840 | Process for producing fluorene compounds | Satoshi Nakao | 1989-04-11 |
| 4420616 | Oxidative process for the preparation of copper quinolinate | Yoshihiro Hatano | 1983-12-13 |
| 4316026 | Process for the preparation of copper quinolinate | Yoshihiro Hatano, Kenji Itoh, Mansuke Matsumoto | 1982-02-16 |