Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5304684 | Process for producing phenol and methyl ethyl ketone | Hiroshi Nishida, Kazuo Kimura, Shouji Hamada, Masaaki Toma | 1994-04-19 |
| 5298667 | Process for producing phenol and methyl ethyl ketone | Kiyoshi Iwanaga, Mitsuhisa Tamura, Toshio Nakayama, Masahiro Usui, Hiroyuki Umida | 1994-03-29 |