Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10017835 | Method for producing nickel sulfide and hydrometallurgical method for nickel oxide ore | Shinichiro Nakamura, Hiroyuki Mitsui, Keisuke Shibayama | 2018-07-10 |
| 9970077 | Method for adding starting material slurry and sulfuric acid to autoclave in high pressure acid leaching process and autoclave | Satoshi Matsubara, Yoji Kyoda, Takashi Sakamoto, Koichiro Maki, Masaki Kitahara +1 more | 2018-05-15 |
| 9945007 | Dezincification plant, method for operating dezincification plant, and hydrometallurgical method for nickel oxide ore | Hiroyuki Mitsui, Satoshi Matsubara | 2018-04-17 |
| 9896740 | Method for operating flash vessel | Satoshi Matsubara, Yoji Kyoda, Takashi Sakamoto | 2018-02-20 |