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, Hideaki Iwata | 2000-11-07 |
| 5463113 | Process and apparatus for producing terephthalic acid | Ryoichi Yamamoto, Etsurou Okamoto, Yasuhiko Yagi | 1995-10-31 |