- 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: 506
10-year publication summary
|
2
|
9
|
22
|
32
|
39
|
59
|
67
|
86
|
82
|
77
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 15385 |
33 |
| Denso Corporation | 24541 |
21 |
| Samsung Electronics Co., Ltd. | 147787 |
19 |
| Toyota Motor Corporation | 32956 |
17 |
| GS Yuasa International Ltd. | 2071 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 32052 |
12 |
| Contemporary Amperex Technology Co., Limited | 7158 |
10 |
| Honda Motor Co., Ltd. | 25771 |
9 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3781 |
9 |
| LG Chem, Ltd. | 17676 |
7 |
| Ford Global Technologies, LLC | 20723 |
7 |
| Hyundai Motor Company | 22369 |
6 |
| Great Wall Motor Company Limited | 799 |
6 |
| Hitachi High-Tech Corporation | 5396 |
6 |
| Hitachi, Ltd. | 15588 |
5 |
| Robert Bosch GmbH | 42815 |
5 |
| Murata Manufacturing Co., Ltd. | 24813 |
5 |
| TDK Corporation | 6874 |
5 |
| BYD Company Limited | 5197 |
5 |
| Volvo Truck Corporation | 3464 |
5 |
| Other owners | 300 |