- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 31/389 - Measuring internal impedance, internal conductance or related variables
Patent holdings for IPC class G01R 31/389
Total number of patents in this class: 1849
10-year publication summary
|
17
|
33
|
73
|
134
|
142
|
167
|
224
|
303
|
318
|
332
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 15915 |
248 |
| Denso Corporation | 24783 |
76 |
| Toyota Motor Corporation | 33440 |
60 |
| Robert Bosch GmbH | 43063 |
35 |
| GS Yuasa International Ltd. | 2100 |
30 |
| Nuvoton Technology Corporation Japan | 660 |
29 |
| Samsung Electronics Co., Ltd. | 149087 |
27 |
| Bayerische Motoren Werke Aktiengesellschaft | 14678 |
27 |
| LG Chem, Ltd. | 17679 |
23 |
| Hyundai Motor Company | 22813 |
23 |
| GM Global Technology Operations LLC | 15372 |
22 |
| Analog Devices International Unlimited Company | 1968 |
22 |
| Honda Motor Co., Ltd. | 25780 |
20 |
| Cirrus Logic International Semiconductor Ltd. | 899 |
20 |
| Samsung SDI Co., Ltd. | 8878 |
19 |
| Kia Corporation | 10541 |
19 |
| Panasonic Intellectual Property Management Co., Ltd. | 32457 |
17 |
| The Furukawa Electric Co., Ltd. | 3706 |
17 |
| Furukawa Automotive Systems Inc. | 594 |
17 |
| Nissan Motor Co., Ltd. | 12655 |
16 |
| Other owners | 1082 |