- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 15/22 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using light-emitting devices, e.g. LED, optocouplers
Patent holdings for IPC class G01R 15/22
Total number of patents in this class: 92
10-year publication summary
|
6
|
6
|
9
|
6
|
7
|
2
|
13
|
11
|
5
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 7020 |
3 |
| Hitachi Astemo, Ltd. | 6386 |
3 |
| Siemens AG | 24518 |
2 |
| STMicroelectronics (Grenoble 2) SAS | 616 |
2 |
| Guildline Instruments Limited | 32 |
2 |
| Howard Hughes Medical Institute | 229 |
2 |
| Lsis Co., Ltd. | 816 |
2 |
| Lumileds LLC | 1919 |
2 |
| STMicroelectronics (Alps) SAS | 126 |
2 |
| Lumiker Aplicaciones Tecnologicas S.L. | 8 |
2 |
| cellcentric GmbH & Co. KG | 182 |
2 |
| Renesas Electronics Corporation | 6020 |
1 |
| Rohm Co., Ltd. | 6433 |
1 |
| Lam Research Corporation | 5222 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10928 |
1 |
| Masco Corporation | 63 |
1 |
| Advantest Corporation | 1826 |
1 |
| The United States of America as represented by the Secretary of the Army | 1212 |
1 |
| Korea Advanced Institute of Science and Technology | 4368 |
1 |
| Advanced Power Technologies, LLC | 6 |
1 |
| Other owners | 59 |