- All sections
- C - Chemistrymetallurgy
- C22B - Production or refining of metalspretreatment of raw materials
- C22B 47/00 - Obtaining manganese
Patent holdings for IPC class C22B 47/00
Total number of patents in this class: 569
10-year publication summary
|
10
|
8
|
12
|
10
|
13
|
21
|
40
|
71
|
84
|
103
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangdong Brunp Recycling Technology Co., Ltd | 1246 |
33 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1215 |
32 |
| BASF SE | 21098 |
22 |
| JFE Steel Corporation | 7074 |
18 |
| Hunan Brunp EV Recycling Co., Ltd. | 375 |
18 |
| Umicore | 684 |
15 |
| Ecopro Materials, Co., Ltd. | 24 |
13 |
| JX Nippon Mining & Metals Corporation | 1479 |
12 |
| Ascend Elements, Inc. | 73 |
11 |
| Sumitomo Metal Mining Co., Ltd. | 1794 |
10 |
| Green Li-ion Pte. Ltd. | 29 |
10 |
| JX Metals Circular Solutions Co., Ltd. | 67 |
10 |
| Gem Co., Ltd. | 226 |
9 |
| Asaka Riken Co., Ltd. | 51 |
8 |
| SK Innovation Co., Ltd. | 1382 |
8 |
| 1001297676 Ontario Inc. | 27 |
8 |
| Terralithium LLC | 56 |
7 |
| PT Qmb New Energy Materials | 146 |
7 |
| PT Gem Indonesia New Energy Materials | 146 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
5 |
| Other owners | 306 |