- 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: 606
10-year publication summary
|
16
|
18
|
22
|
10
|
23
|
18
|
34
|
41
|
59
|
72
|
| 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. | 1213 |
88 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1244 |
87 |
| Hunan Brunp EV Recycling Co., Ltd. | 375 |
21 |
| Chemische Fabrik Budenheim KG | 214 |
17 |
| Fujimi Incorporated | 743 |
12 |
| Centre National de La Recherche Scientifique | 10464 |
10 |
| Toagosei Co., Ltd. | 970 |
9 |
| Hunan Brunp Vehicles Recycling Co., Ltd. | 75 |
9 |
| A123 Systems LLC | 188 |
8 |
| Nippon Chemical Industrial Co., Ltd. | 284 |
6 |
| The Research Foundation for The State University of New York | 1621 |
6 |
| Shenzhen Batian Ecotypic Engineering Co.,Ltd. | 7 |
6 |
| National Tsing Hua University | 1189 |
5 |
| OCP S.A. | 79 |
5 |
| Umicore | 649 |
5 |
| LG Energy Solution, Ltd. | 15119 |
5 |
| Hubei Wanrun New Energy Technology Co.,Ltd. | 48 |
5 |
| Hubei Hongrun High-Tech New Materials Co., Ltd. | 5 |
5 |
| Yichang Brunp Yihua New Material Co., Ltd | 11 |
5 |
| Advanced Lithium Electrochemistry Co., Ltd. | 55 |
4 |
| Other owners | 288 |