Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4339615 | Process for producing resorcinol | Ichiro Imai, Fujihisa Matsunaga, Hiroaki Nakagawa, Tohru Taguchi | 1982-07-13 |
| 4283567 | Method for recovering resorcinol | Hirohiko Nambu, Hiroaki Nakagawa | 1981-08-11 |