- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 88
10-year publication summary
|
7
|
6
|
6
|
9
|
6
|
7
|
2
|
13
|
11
|
3
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Xerox Corporation | 7503 |
3 |
| Hitachi Astemo, Ltd. | 5618 |
3 |
| Siemens AG | 24990 |
2 |
| STMicroelectronics (Grenoble 2) SAS | 587 |
2 |
| Guildline Instruments Limited | 32 |
2 |
| Howard Hughes Medical Institute | 202 |
2 |
| Lsis Co., Ltd. | 834 |
2 |
| STMicroelectronics (Alps) SAS | 120 |
2 |
| Lumiker Aplicaciones Tecnologicas S.L. | 8 |
2 |
| cellcentric GmbH & Co. KG | 160 |
2 |
| Renesas Electronics Corporation | 6305 |
1 |
| Rohm Co., Ltd. | 5843 |
1 |
| Lam Research Corporation | 4775 |
1 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
1 |
| Masco Corporation | 68 |
1 |
| Advantest Corporation | 1939 |
1 |
| The United States of America as represented by the Secretary of the Army | 1195 |
1 |
| Korea Advanced Institute of Science and Technology | 3906 |
1 |
| ABB Patent GmbH | 67 |
1 |
| Advanced Power Technologies, LLC | 6 |
1 |
| Other owners | 56 |