Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000018 | Method for separating copper from nickel and cobalt | Hiroshi Takenouchi, Hiroshi Kobayashi, Satoshi Asano | 2024-06-04 |
| 11959151 | Method for separating copper from nickel and cobalt | Hiroshi Takenouchi, Hiroshi Kobayashi, Satoshi Asano | 2024-04-16 |
| 11718894 | Method for separating copper, and nickel and cobalt | Hiroshi Takenouchi, Hiroshi Kobayashi, Hirofumi Shoji | 2023-08-08 |
| 11214849 | Method for recovering scandium | Hidemasa Nagai, Keiji Kudo, Itsumi Matsuoka, Yoshitomo Ozaki, Hirofumi Shoji +1 more | 2022-01-04 |
| 10968112 | Method for producing high-purity scandium oxide | Hiroshi Kobayashi | 2021-04-06 |
| 10570482 | Method for recovering scandium | Hidemasa Nagai, Hiroshi Kobayashi | 2020-02-25 |
| 10344354 | Nickel recovery process | Hirofumi Shoji, Jiro Hayata, Keiji Kudou | 2019-07-09 |
| 10196710 | Method for recovering scandium | Shin-ya Matsumoto, Hidemasa Nagai, Hiroshi Kobayashi | 2019-02-05 |
| 10190189 | Scandium recovery process | Toshihiko Nagakura, Yoshitomo Ozaki, Hidemasa Nagai | 2019-01-29 |
| 10156002 | Method for recovering scandium | Ryoma Yamaguma, Hidemasa Nagai, Satoshi Asano, Hiroshi Kobayashi | 2018-12-18 |
| 10081851 | Method for recovering high-purity scandium | Itsumi Matsuoka, Hidemasa Nagai, Keiji Kudo, Shin-ya Matsumoto, Yoshitomo Ozaki +2 more | 2018-09-25 |
| 9963762 | Scandium recovery method | Yoshitomo Ozaki, Shin-ya Matsumoto, Itsumi Matsuoka, Hidemasa Nagai, Toshihiko Nagakura +1 more | 2018-05-08 |
| 9776885 | Method for producing hematite for ironmaking | Yoshitomo Ozaki, Manabu Enomoto, Hirofumi Shouji | 2017-10-03 |
| 9751783 | Method for a treatment for wastewater containing aluminum, magnesium, and manganese | Hiroshi Kobayashi, Hirofumi Shoji, Norihisa Toki, Keiji Kudo, Hiroyuki Mitsui +1 more | 2017-09-05 |
| 9657370 | Removal method of manganese from waste water | Hiroshi Kobayashi, Norihisa Toki, Hirofumi Shoji, Keiji Kudo | 2017-05-23 |
| 9458526 | Method for separating impurities from an acidic solution containing nickel and cobalt and/or scandium | Masahiro Goto, Fukiko Kubota, Yuzo Baba, Yoshitomo Ozaki, Jiro Hayata +2 more | 2016-10-04 |
| 9410226 | Ore slurry production method and metal refining method | Hiroyuki Mitsui, Keisuke Shibayama, Hirofumi Shoji, Yoji Kyoda, Osamu Nakai | 2016-08-09 |
| 9255013 | Method for producing hematite for ironmaking | Hideki Sasaki, Yoshitomo Ozaki, Manabu Enomoto, Hirofumi Shouji, Hiroyuki Mitsui +1 more | 2016-02-09 |
| 9068244 | Method for recovering chromite, and method for wet smelting of nickel oxide ore | Hiroyuki Mitsui, Osamu Nakai, Hirotaka Kawasaki, Hiroshi Kobayashi, Atsushi Idegami | 2015-06-30 |
| 9017640 | Method for producing high-purity nickel surface | Takayuki Nakai, Yoshitomo Ozaki | 2015-04-28 |
| 8580213 | Method for recovering nickel from sulfuric acid aqueous solution | Hiroshi Kobayashi, Hirofumi Shoji, Norihisa Toki, Keiji Kudo | 2013-11-12 |