Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5011984 | Manufacturing method for 2-hydroxynaphthalene-6-carboxylic acid | Ryuzo Ueno, Toru Mori | 1991-04-30 |
| 4966992 | Process for production of aromatic hydroxycarboxylic acid | Ryuzo Ueno, Yoshihiko Kuwae, Keiji Kawata | 1990-10-30 |
| 4746721 | Copolyester | Ryuzo Ueno, Taihei Hamasaki, Toru Mori | 1988-05-24 |