Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4737318 | Recovery of acetic anhydride | Kunio Koga, Tsutomu Mizuta, Takashi Matsuyama | 1988-04-12 |
| 4235684 | Process for producing glyoxalic acid by electrolytic oxidation | Hiroyuki Harada, Kazuhiro Hirao, Tadayuki Mitani | 1980-11-25 |