Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6143925 | Process for producing aromatic carboxylic acid | Tadashi Tomitaka, Michio Umeda, Fujimasa Nakao | 2000-11-07 |
| 5925786 | Process for producing aromatic dicarboxylic acid | Shigeru Isayama, Etsuro Okamoto, Toshiyuki Sakata, Hiroshi Suzuki | 1999-07-20 |