Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9731980 | Processing device and processing method for hydrogen-sulphide-containing barren solution | Takayuki Nakai, Satoshi Matsubara, Osamu Nakai | 2017-08-15 |
| 9732400 | Autoclave apparatus used during high-pressure acid leaching process | Satoshi Matsubara, Osamu Nakai, Takashi Sakamoto, Haruo Ishikawa, Koichiro Maki | 2017-08-15 |
| 9561972 | Method for effluent treatment in smelting of nickel oxide ore | Yasuo Yoshii, Keisuke Shibayama, Yoshitomo Ozaki, Osamu Nakai, Hiroyuki Mitsui | 2017-02-07 |