- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 1253
10-year publication summary
|
13
|
18
|
38
|
73
|
135
|
144
|
171
|
217
|
303
|
105
|
| 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 |
146 |
| Denso Corporation | 23338 |
59 |
| Toyota Motor Corporation | 28582 |
53 |
| Robert Bosch GmbH | 40953 |
26 |
| Samsung Electronics Co., Ltd. | 131630 |
23 |
| LG Chem, Ltd. | 17205 |
23 |
| GS Yuasa International Ltd. | 1834 |
22 |
| Bayerische Motoren Werke Aktiengesellschaft | 13126 |
21 |
| Contemporary Amperex Technology Co., Limited | 5805 |
18 |
| Honda Motor Co., Ltd. | 24537 |
17 |
| The Furukawa Electric Co., Ltd. | 3486 |
17 |
| Furukawa Automotive Systems Inc. | 558 |
17 |
| Nuvoton Technology Corporation Japan | 420 |
16 |
| GM Global Technology Operations LLC | 13620 |
13 |
| Toshiba Corporation | 12017 |
12 |
| Hyundai Motor Company | 19021 |
12 |
| Cirrus Logic International Semiconductor Ltd. | 792 |
12 |
| Texas Instruments Incorporated | 19376 |
11 |
| Toyo System Co., Ltd. | 78 |
11 |
| Analog Devices International Unlimited Company | 1724 |
11 |
| Other owners | 713 |