- 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: 514
10-year publication summary
|
10
|
11
|
17
|
14
|
18
|
29
|
46
|
85
|
86
|
54
|
| 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 | 1185 |
33 |
| Hunan Brunp Recycling Technology Co., Ltd. | 1153 |
32 |
| JFE Steel Corporation | 6767 |
18 |
| Hunan Brunp EV Recycling Co., Ltd. | 370 |
18 |
| BASF SE | 20777 |
15 |
| JX Nippon Mining & Metals Corporation | 1501 |
15 |
| Umicore | 628 |
14 |
| Ecopro Materials, Co., Ltd. | 24 |
13 |
| Sumitomo Metal Mining Co., Ltd. | 1760 |
10 |
| Green Li-ion Pte. Ltd. | 29 |
10 |
| Gem Co., Ltd. | 213 |
9 |
| SK Innovation Co., Ltd. | 1298 |
8 |
| Ascend Elements, Inc. | 63 |
8 |
| Asaka Riken Co., Ltd. | 45 |
7 |
| Li-Cycle Corp. | 41 |
7 |
| Terralithium LLC | 55 |
7 |
| PT Qmb New Energy Materials | 144 |
7 |
| PT Gem Indonesia New Energy Materials | 142 |
7 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10837 |
5 |
| Duesenfeld GmbH | 26 |
5 |
| Other owners | 266 |