- 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: 1683
10-year publication summary
|
18
|
38
|
73
|
135
|
144
|
174
|
226
|
307
|
316
|
192
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| LG Energy Solution, Ltd. | 14890 |
217 |
| Denso Corporation | 24248 |
73 |
| Toyota Motor Corporation | 31903 |
58 |
| Robert Bosch GmbH | 42647 |
31 |
| Samsung Electronics Co., Ltd. | 145630 |
27 |
| GS Yuasa International Ltd. | 2028 |
27 |
| Nuvoton Technology Corporation Japan | 597 |
27 |
| Bayerische Motoren Werke Aktiengesellschaft | 14321 |
25 |
| LG Chem, Ltd. | 17615 |
23 |
| GM Global Technology Operations LLC | 15000 |
22 |
| Honda Motor Co., Ltd. | 25192 |
19 |
| Hyundai Motor Company | 21938 |
19 |
| Cirrus Logic International Semiconductor Ltd. | 863 |
18 |
| The Furukawa Electric Co., Ltd. | 3645 |
17 |
| Furukawa Automotive Systems Inc. | 587 |
17 |
| Toyo System Co., Ltd. | 86 |
16 |
| Analog Devices International Unlimited Company | 1897 |
15 |
| Kia Corporation | 9622 |
15 |
| Texas Instruments Incorporated | 19479 |
14 |
| Samsung SDI Co., Ltd. | 8230 |
14 |
| Other owners | 989 |