Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4554382 | Dehydrating decomposition process for preparing carbonyl compound | Toshihiro Nakamichi, Yutaka Katsuhara | 1985-11-19 |
| 4544772 | Method of purifying hexafluoroacetone hydrate | Mithio Sawai, Toshikazu Kawai, Yutaka Katsuhara | 1985-10-01 |