- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/392 - Determining battery ageing or deterioration, e.g. state of health
Patent holdings for IPC class G01R 31/392
Total number of patents in this class: 4064
10-year publication summary
|
59
|
124
|
216
|
269
|
373
|
495
|
577
|
629
|
746
|
209
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 17308 |
736 |
| Toyota Motor Corporation | 34387 |
117 |
| Samsung Electronics Co., Ltd. | 153093 |
107 |
| Denso Corporation | 25132 |
85 |
| GS Yuasa International Ltd. | 2195 |
85 |
| Robert Bosch GmbH | 43500 |
78 |
| Hyundai Motor Company | 23540 |
62 |
| Panasonic Intellectual Property Management Co., Ltd. | 33401 |
61 |
| Honda Motor Co., Ltd. | 25846 |
59 |
| GM Global Technology Operations LLC | 15721 |
51 |
| Samsung SDI Co., Ltd. | 9658 |
51 |
| Kia Corporation | 11288 |
42 |
| LG Chem, Ltd. | 17805 |
39 |
| Hitachi, Ltd. | 15867 |
35 |
| Toyo System Co., Ltd. | 93 |
35 |
| Toshiba Corporation | 12698 |
34 |
| Hitachi High-Tech Corporation | 5629 |
34 |
| Bayerische Motoren Werke Aktiengesellschaft | 14966 |
32 |
| Siemens AG | 24237 |
28 |
| The Furukawa Electric Co., Ltd. | 3700 |
26 |
| Other owners | 2267 |