Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7271287 | Process for producing aromatic hydroxycarboxylic acids | Koichi Sato | 2007-09-18 |
| 4937223 | Process for preparing activated carbon | — | 1990-06-26 |
| 4929797 | Method for producing hydrocarbons having two carbon atoms | Kozo Hirota | 1990-05-29 |