- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 7/00 - Working-up raw materials other than ores, e.g. scrap, to produce non-ferrous metals or compounds thereof
Patent holdings for IPC class C22B 7/00
Total number of patents in this class: 3322
10-year publication summary
|
157
|
160
|
143
|
167
|
159
|
229
|
321
|
408
|
472
|
156
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sumitomo Metal Mining Co., Ltd. | 1749 |
147 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1114 |
125 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1079 |
125 |
| BASF SE | 20616 |
52 |
| Umicore | 616 |
52 |
| JX Nippon Mining & Metals Corporation | 1502 |
51 |
| Hunan Brunp EV Recycling Co., Ltd. | 368 |
48 |
| LG Energy Solution, Ltd. | 13845 |
36 |
| Mitsubishi Materials Corporation | 2416 |
29 |
| Li-Cycle Corp. | 41 |
29 |
| JX Metals Circular Solutions Co., Ltd. | 41 |
29 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10740 |
27 |
| Beijing University of Technology | 484 |
27 |
| Hitachi, Ltd. | 15334 |
24 |
| JFE Steel Corporation | 6672 |
23 |
| Dowa ECO-SYSTEM Co., Ltd. | 53 |
22 |
| SK Innovation Co., Ltd. | 1251 |
22 |
| Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
21 |
| Centre National de La Recherche Scientifique | 10202 |
18 |
| Korea Institute of Geoscience and Mineral Resources | 235 |
17 |
| Other owners | 2398 |