Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9719153 | Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process | Osamu Nakai, Yoshitomo Ozaki | 2017-08-01 |
| 9561972 | Method for effluent treatment in smelting of nickel oxide ore | Yasuo Yoshii, Yoji Kyoda, Yoshitomo Ozaki, Osamu Nakai, Hiroyuki Mitsui | 2017-02-07 |