Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6603024 | Process for the preparation of 3,4-methylenedioxymandelic acid | Katsumasa Harada, Masashi Shirai | 2003-08-05 |
| 6573397 | Process for producing 3,4-dihydroxybenzonitrile | Masashi Shirai, Toshio Furuya | 2003-06-03 |