Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6784134 | Catalyst for preparation of unsaturated aldehyde and unsaturated carboxylic acid | Hiroto Kasuga | 2004-08-31 |
| 6673733 | Method for regenerating heteropolyacid catalyst and method for producing methacrylic acid | Naohiro Fukumoto, Naomasa Kimura, Hiroto Kasuga | 2004-01-06 |