- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 15/20 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using galvano-magnetic devices, e.g. Hall-effect devices
Patent holdings for IPC class G01R 15/20
Total number of patents in this class: 2019
10-year publication summary
|
121
|
136
|
148
|
172
|
140
|
140
|
156
|
150
|
199
|
158
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Allegro Microsystems, LLC | 1367 |
108 |
| Alps Alpine Co., Ltd. | 2127 |
108 |
| Murata Manufacturing Co., Ltd. | 24907 |
91 |
| Infineon Technologies AG | 8271 |
82 |
| Denso Corporation | 24663 |
68 |
| Alps Green Devices Co., Ltd. | 75 |
60 |
| Asahi Kasei Microdevices Corporation | 551 |
52 |
| TDK Corporation | 6879 |
48 |
| Lem International SA | 126 |
43 |
| BorgWarner US Technologies LLC | 435 |
34 |
| Melexis Technologies SA | 226 |
31 |
| Texas Instruments Incorporated | 19481 |
27 |
| Sumitomo Wiring Systems, Ltd. | 10518 |
26 |
| Hitachi Metals, Ltd. | 1965 |
25 |
| Robert Bosch GmbH | 42941 |
25 |
| Siemens AG | 24363 |
24 |
| Yazaki Corporation | 6750 |
23 |
| Alps Electric Co., Ltd. | 802 |
23 |
| Phoenix Contact GmbH & Co. KG | 2291 |
20 |
| Sumitomo Electric Industries, Ltd. | 15693 |
18 |
| Other owners | 1083 |