- 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: 2129
10-year publication summary
|
38
|
73
|
135
|
144
|
175
|
227
|
315
|
323
|
356
|
235
|
| 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 |
299 |
| Denso Corporation | 25471 |
86 |
| Toyota Motor Corporation | 35500 |
70 |
| Robert Bosch GmbH | 44064 |
36 |
| GS Yuasa International Ltd. | 2243 |
36 |
| Samsung SDI Co., Ltd. | 10502 |
35 |
| Nuvoton Technology Corporation Japan | 722 |
32 |
| Samsung Electronics Co., Ltd. | 157039 |
31 |
| GM Global Technology Operations LLC | 16039 |
30 |
| Hyundai Motor Company | 24557 |
29 |
| Bayerische Motoren Werke Aktiengesellschaft | 15207 |
28 |
| Kia Corporation | 12304 |
25 |
| Analog Devices International Unlimited Company | 2022 |
24 |
| LG Chem, Ltd. | 17929 |
23 |
| Panasonic Intellectual Property Management Co., Ltd. | 33792 |
23 |
| Honda Motor Co., Ltd. | 25991 |
20 |
| Texas Instruments Incorporated | 19660 |
20 |
| Nissan Motor Co., Ltd. | 12919 |
20 |
| Hioki E.E. Corporation | 160 |
20 |
| The Furukawa Electric Co., Ltd. | 3698 |
17 |
| Other owners | 1225 |