- All sections
- C - Chemistry; metallurgy
- C22B - Production or refining of metals; pretreatment of raw materials
- C22B 47/00 - Obtaining manganese
Patent holdings for IPC class C22B 47/00
Total number of patents in this class: 364
10-year publication summary
|
16
|
10
|
11
|
17
|
14
|
18
|
29
|
46
|
82
|
27
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangdong Brunp Recycling Technology Co., Ltd | 674 |
23 |
| Hunan Brunp Recycling Technology Co., Ltd. | 622 |
22 |
| JX Nippon Mining & Metals Corporation | 1576 |
18 |
| Hunan Brunp EV Recycling Co., Ltd. | 327 |
16 |
| JFE Steel Corporation | 6067 |
14 |
| BASF SE | 19740 |
12 |
| Umicore | 542 |
10 |
| Ecopro Materials, Co., Ltd. | 17 |
10 |
| Sumitomo Metal Mining Co., Ltd. | 1670 |
8 |
| Li-Cycle Corp. | 36 |
7 |
| Terralithium LLC | 52 |
7 |
| SK Innovation Co., Ltd. | 1015 |
6 |
| Asaka Riken Co., Ltd. | 35 |
5 |
| Deepgreen Engineering, Pte. Ltd. | 6 |
5 |
| Botree Cycling Sci&Tech Co., Ltd. | 14 |
5 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
4 |
| Bromine Compounds Ltd. | 196 |
4 |
| Jingmen Gem CO., Ltd | 39 |
4 |
| Northvolt AB | 135 |
4 |
| Duesenfeld GmbH | 22 |
4 |
| Other owners | 176 |