Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9499879 | Method for producing high-purity cobalt sulfate aqueous solution | Yoshitomo Ozaki, Takayuki Nakai, Hideki Ohara | 2016-11-22 |
| 8911531 | Hydrometallurgical plant of nickel laterite ore and operation method thereof | Osamu Nakai, Toru Kitazaki, Yoshitomo Ozaki, Keisuke Shibayama | 2014-12-16 |
| 8052774 | Method for concentration of gold in copper sulfide minerals | Noriyuki Nagase, Satoshi Asano, Masatoshi Takano, Kenji Takeda, Atsushi Idegami | 2011-11-08 |
| 7601200 | Method of separation/purification for high-purity silver chloride, and process for producing high-purity silver by the same | Masushi Kasai, Satoshi Asano, Yoshiaki Manabe, Harumasa Kurokawa | 2009-10-13 |
| 7291202 | Process for mutual separation of platinum group metals | Satoshi Asano, Yoshiaki Manabe, Masushi Kasai, Harumasa Kurokawa | 2007-11-06 |