Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751783 | Method for a treatment for wastewater containing aluminum, magnesium, and manganese | Hiroshi Kobayashi, Tatsuya Higaki, Hirofumi Shoji, Keiji Kudo, Hiroyuki Mitsui +1 more | 2017-09-05 |
| 9657370 | Removal method of manganese from waste water | Hiroshi Kobayashi, Hirofumi Shoji, Keiji Kudo, Tatsuya Higaki | 2017-05-23 |
| 8747787 | Method for producing raw material for ferronickel smelting from low grade nickel oxide ore | Hiroshi Kobayashi, Osamu Nakai, Keisuke Shibayama, Takayuki Nakai, Yoshitomo Ozaki +2 more | 2014-06-10 |
| 8580213 | Method for recovering nickel from sulfuric acid aqueous solution | Hiroshi Kobayashi, Hirofumi Shoji, Keiji Kudo, Tatsuya Higaki | 2013-11-12 |