- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 23/00 - Obtaining nickel or cobalt
Patent holdings for IPC class C22B 23/00
Total number of patents in this class: 1309
10-year publication summary
|
40
|
45
|
43
|
40
|
50
|
65
|
90
|
83
|
126
|
91
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1971 |
220 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1265 |
70 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1226 |
70 |
| Gem Co., Ltd. | 356 |
69 |
| PT Qmb New Energy Materials | 253 |
67 |
| PT ESG New Energy Material | 153 |
53 |
| PT Green Eco Nickel | 102 |
37 |
| PT Gem Indonesia New Energy Materials | 151 |
30 |
| JX Metals Circular Solutions Co., Ltd. | 80 |
24 |
| Hunan Brunp EV Recycling Co., Ltd. | 378 |
20 |
| JX Nippon Mining & Metals Corporation | 1461 |
19 |
| BHP Billiton SSM Development Pty Ltd. | 28 |
17 |
| Mitsubishi Materials Corporation | 2468 |
13 |
| Kyushu University, National University Corporation | 1707 |
12 |
| BASF SE | 21303 |
11 |
| Asaka Riken Co., Ltd. | 54 |
10 |
| Outotec (Finland) Oy | 455 |
10 |
| Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
10 |
| Korea Zinc Co., Ltd. | 169 |
9 |
| Metso Finland Oy | 688 |
9 |
| Other owners | 529 |