Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5175354 | Process for preparing 2,6-naphthalene-dicarboxylic acid | Shuichi Mitamura, Yasuhisa Tsutsumi, Atsushi Kawada, Naoya Okabayashi | 1992-12-29 |
| 5081252 | Process for the preparation of aromatic carboxylic acids | Shuichi Mitamura, Koichi Fujishiro, Yasuhisa Tsutsumi | 1992-01-14 |