- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/387 - Determining ampere-hour charge capacity or SoC
Patent holdings for IPC class G01R 31/387
Total number of patents in this class: 480
10-year publication summary
|
4
|
9
|
22
|
34
|
41
|
60
|
69
|
89
|
82
|
51
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 14756 |
30 |
| Denso Corporation | 24223 |
19 |
| Samsung Electronics Co., Ltd. | 145025 |
18 |
| Toyota Motor Corporation | 31764 |
15 |
| Panasonic Intellectual Property Management Co., Ltd. | 31201 |
12 |
| GS Yuasa International Ltd. | 2026 |
12 |
| Honda Motor Co., Ltd. | 25166 |
9 |
| Contemporary Amperex Technology Co., Limited | 6403 |
9 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3443 |
9 |
| LG Chem, Ltd. | 17594 |
7 |
| Ford Global Technologies, LLC | 20505 |
7 |
| Hyundai Motor Company | 21852 |
6 |
| Great Wall Motor Company Limited | 792 |
6 |
| Hitachi High-Tech Corporation | 5275 |
6 |
| Hitachi, Ltd. | 15467 |
5 |
| Robert Bosch GmbH | 42614 |
5 |
| Murata Manufacturing Co., Ltd. | 24444 |
5 |
| TDK Corporation | 6702 |
5 |
| BYD Company Limited | 4941 |
5 |
| Volvo Truck Corporation | 3377 |
5 |
| Other owners | 285 |