Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5019162 | Activated carbon for recovery of gold | Masayuki Suzuki, Teruo Fukui | 1991-05-28 |
| 4221560 | Apparatus for regeneration of wet spent active carbon | Hideji Idei, Mitsuhiko Iwasaki, Michio Ito, Toshimichi Hirabayashi, Nobutaka Ninomiya | 1980-09-09 |