- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/37 - Phosphates of heavy metals
Patent holdings for IPC class C01B 25/37
Total number of patents in this class: 577
10-year publication summary
18
|
19
|
23
|
11
|
23
|
19
|
36
|
42
|
60
|
56
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Hunan Brunp Recycling Technology Co., Ltd. | 1153 |
79 |
Guangdong Brunp Recycling Technology Co., Ltd | 1185 |
78 |
Hunan Brunp EV Recycling Co., Ltd. | 370 |
20 |
Chemische Fabrik Budenheim KG | 215 |
16 |
Fujimi Incorporated | 733 |
12 |
Centre National de La Recherche Scientifique | 10321 |
10 |
Toagosei Co., Ltd. | 957 |
9 |
Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
9 |
A123 Systems LLC | 184 |
8 |
Nippon Chemical Industrial Co., Ltd. | 281 |
6 |
The Research Foundation for The State University of New York | 1603 |
6 |
Shenzhen Batian Ecotypic Engineering Co.,Ltd. | 7 |
6 |
National Tsing Hua University | 1177 |
5 |
Umicore | 628 |
5 |
LG Energy Solution, Ltd. | 14424 |
5 |
Yichang Brunp Yihua New Material Co., Ltd | 9 |
5 |
Advanced Lithium Electrochemistry Co., Ltd. | 55 |
4 |
OCP S.A. | 78 |
4 |
Rhodia Operations | 1582 |
4 |
Sud-chemie AG | 164 |
4 |
Other owners | 282 |