Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6214996 | Naphthalene derivates, process for the preparation thereof, and intermediates therefor | Tatsuzo Ukita, Katsuo Ikezawa | 2001-04-10 |
| 6005106 | Naphthalene derivatives, process for the preparation therof, and intermediates thereof | Tatsuzo Ukita, Katsuo Ikezawa | 1999-12-21 |
| 5969140 | Naphthalene derivatives, process for the preparation thereof, and intermediates therefor | Tatsuzo Ukita, Katsuo Ikezawa | 1999-10-19 |
| 5342941 | Naphthalene derivatives, processes for preparing the same, and synthetic intermediates therefor | Tameo Iwasaki, Kazuhiko Kondo, Katsuo Ikezawa, Hideo Kikkawa | 1994-08-30 |