Issued Patents 2002
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6451109 | Columnar crystals of 6-hydroxy-2-naphthoic acid and process for manufacturing the same | Ryuzo Ueno, Hiroyuki Kato, Ryoichi Otsuka | 2002-09-17 |
| 6451988 | Naphthol derivatives | Ryuzo Ueno, Kenji Minami, Hiroyuki Wakamori | 2002-09-17 |
| 6409812 | AZO compounds and process for producing the same | Ryuzo Ueno, Kenji Minami, Hiroyuki Wakamori | 2002-06-25 |
| 6403827 | Crystal of 2-hydroxynaphthalene-3-carboxylic acid and process for the preparation thereof | Ryuzo Ueno, Nobutaka Izumichi, Hiroyuki Kato | 2002-06-11 |
| 6388045 | Liquid-crystalline polymer | Ryuzo Ueno, Kiichi Kometani, Taihei Hamasaki, Motoki Asahara | 2002-05-14 |