- All sections
- C - Chemistrymetallurgy
- C01B - Non-metallic elementscompounds thereof
- C01B 25/45 - Phosphates containing plural metal, or metal and ammonium
Patent holdings for IPC class C01B 25/45
Total number of patents in this class: 1511
10-year publication summary
|
94
|
61
|
58
|
50
|
49
|
70
|
64
|
115
|
163
|
125
|
| 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. | 1186 |
98 |
| Guangdong Brunp Recycling Technology Co., Ltd | 1217 |
97 |
| TDK Corporation | 6702 |
27 |
| Nippon Chemical Industrial Co., Ltd. | 282 |
26 |
| Semiconductor Energy Laboratory Co., Ltd. | 11385 |
24 |
| Nippon Electric Glass Co., Ltd. | 2453 |
24 |
| LG Energy Solution, Ltd. | 14756 |
21 |
| Eve Power Co., Ltd. | 540 |
21 |
| Hunan Brunp EV Recycling Co., Ltd. | 373 |
19 |
| BYD Company Limited | 4941 |
18 |
| Tsinghua University | 5886 |
17 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3443 |
17 |
| LG Chem, Ltd. | 17594 |
16 |
| Samsung SDI Co., Ltd. | 8140 |
16 |
| Advanced Lithium Electrochemistry Co., Ltd. | 55 |
16 |
| Sumitomo Metal Mining Co., Ltd. | 1766 |
16 |
| Centre National de La Recherche Scientifique | 10408 |
15 |
| Murata Manufacturing Co., Ltd. | 24444 |
15 |
| Contemporary Amperex Technology Co., Limited | 6403 |
15 |
| A123 Systems LLC | 186 |
14 |
| Other owners | 979 |