Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8940931 | Production method for refined 6-bromo-2-naphthalenecarboxylic acid product | Ikuo Ito | 2015-01-27 |
| 8742128 | Process for producing pyridine compound, and pyridine compound | Koichi Fukui, Ikuo Ito | 2014-06-03 |
| 7772436 | Process for producing 2,2′-bis(trifluoromethyl)-4,4′-diaminobiphenyl | Tetsuo Murata | 2010-08-10 |
| 6900330 | Process for producing 2,3-pyridinedicarboxylic acid | Toshio Sato | 2005-05-31 |
| 5550284 | Production method for alkoxynaphthalenecarboxylic acid | Toshio Sato, Ikuo Ito, Kazuhiko Maeda, Keiichi Yokota, Akihiko Nemoto | 1996-08-27 |
| 5416256 | Process for manufacturing 5-hydroxyisophthalic acid | Ikuo Ito, Kazuhiko Maeda, Toshio Sato, Keiichi Yokota | 1995-05-16 |