- 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: 3386
10-year publication summary
|
157
|
160
|
143
|
167
|
159
|
229
|
321
|
410
|
472
|
207
|
| 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. | 1760 |
150 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1175 |
130 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1143 |
130 |
| BASF SE | 20728 |
53 |
| Umicore | 620 |
52 |
| JX Nippon Mining & Metals Corporation | 1502 |
51 |
| Hunan Brunp EV Recycling Co., Ltd. | 370 |
48 |
| LG Energy Solution, Ltd. | 14258 |
37 |
| JX Metals Circular Solutions Co., Ltd. | 45 |
30 |
| Mitsubishi Materials Corporation | 2421 |
29 |
| Li-Cycle Corp. | 41 |
29 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10810 |
27 |
| Beijing University of Technology | 489 |
27 |
| Hitachi, Ltd. | 15402 |
24 |
| Dowa ECO-SYSTEM Co., Ltd. | 55 |
23 |
| JFE Steel Corporation | 6730 |
23 |
| SK Innovation Co., Ltd. | 1278 |
22 |
| Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
21 |
| Centre National de La Recherche Scientifique | 10284 |
18 |
| Asaka Riken Co., Ltd. | 45 |
17 |
| Other owners | 2445 |