- 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: 580
10-year publication summary
|
9
|
22
|
34
|
41
|
60
|
70
|
88
|
83
|
98
|
50
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 18666 |
37 |
| Denso Corporation | 25471 |
22 |
| Samsung Electronics Co., Ltd. | 157039 |
19 |
| Toyota Motor Corporation | 35500 |
18 |
| Panasonic Intellectual Property Management Co., Ltd. | 33792 |
18 |
| GS Yuasa International Ltd. | 2243 |
17 |
| Contemporary Amperex Technology Co., Limited | 9747 |
12 |
| Honda Motor Co., Ltd. | 25991 |
10 |
| Contemporary Amperex Technology (Hong Kong) Limited | 3980 |
9 |
| Samsung SDI Co., Ltd. | 10502 |
8 |
| Hitachi High-Tech Corporation | 5777 |
8 |
| LG Chem, Ltd. | 17929 |
7 |
| Ford Global Technologies, LLC | 21461 |
7 |
| Great Wall Motor Company Limited | 891 |
7 |
| Robert Bosch GmbH | 44064 |
6 |
| Hyundai Motor Company | 24557 |
6 |
| Hitachi, Ltd. | 16031 |
5 |
| Murata Manufacturing Co., Ltd. | 25700 |
5 |
| TDK Corporation | 6841 |
5 |
| BYD Company Limited | 6414 |
5 |
| Other owners | 349 |