- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 2456
10-year publication summary
|
18
|
32
|
61
|
123
|
221
|
278
|
379
|
489
|
563
|
191
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 10813 |
286 |
| Samsung Electronics Co., Ltd. | 131630 |
90 |
| Toyota Motor Corporation | 28582 |
84 |
| GS Yuasa International Ltd. | 1834 |
68 |
| Robert Bosch GmbH | 40953 |
64 |
| Denso Corporation | 23338 |
52 |
| Honda Motor Co., Ltd. | 24537 |
51 |
| LG Chem, Ltd. | 17205 |
38 |
| Hyundai Motor Company | 19021 |
32 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
29 |
| Contemporary Amperex Technology Co., Limited | 5805 |
29 |
| Toyo System Co., Ltd. | 78 |
27 |
| Hitachi, Ltd. | 16452 |
24 |
| Toshiba Corporation | 12017 |
23 |
| GM Global Technology Operations LLC | 13620 |
23 |
| Mitsubishi Electric Corporation | 43934 |
20 |
| Siemens AG | 24990 |
19 |
| The Furukawa Electric Co., Ltd. | 3486 |
19 |
| Kia Motors Corporation | 7946 |
18 |
| TWAICE Technologies GmbH | 36 |
18 |
| Other owners | 1442 |