Issued Patents 2017
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9776885 | Method for producing hematite for ironmaking | Manabu Enomoto, Hirofumi Shouji, Tatsuya Higaki | 2017-10-03 |
| 9719153 | Method for shortening operation shutdown time of high pressure acid leach equipment in a hydrometallurgical process | Keisuke Shibayama, Osamu Nakai | 2017-08-01 |
| 9702023 | Method for producing high-purity nickel sulfate | Atsushi Idegami, Shin-ichi Heguri, Keiji Kudou, Hideki Ohara, Shinya Matsumoto | 2017-07-11 |
| 9567239 | Method for producing high-purity nickel sulfate and method for removing impurity element from solution containing nickel | Shin-ichi Heguri, Keiji Kudo | 2017-02-14 |
| 9561972 | Method for effluent treatment in smelting of nickel oxide ore | Yasuo Yoshii, Keisuke Shibayama, Yoji Kyoda, Osamu Nakai, Hiroyuki Mitsui | 2017-02-07 |