- All sections
- G - Physics
- G01R - Measuring electric variablesmeasuring magnetic variables
- G01R 25/00 - Arrangements for measuring phase angle between a voltage and a current or between voltages or currents
Patent holdings for IPC class G01R 25/00
Total number of patents in this class: 651
10-year publication summary
|
65
|
47
|
44
|
41
|
37
|
37
|
31
|
47
|
35
|
17
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Schneider Electric Industries SAS | 1480 |
9 |
| Samsung Electronics Co., Ltd. | 145416 |
8 |
| International Business Machines Corporation | 61207 |
8 |
| Fujitsu Limited | 18343 |
8 |
| Schweitzer Engineering Laboratories, Inc. | 914 |
8 |
| NEC Corporation | 35521 |
7 |
| Mitsubishi Electric Corporation | 45962 |
7 |
| Advantest Corporation | 1829 |
7 |
| Siemens AG | 24520 |
6 |
| The Regents of the University of California | 19868 |
6 |
| SK Hynix Inc. | 11290 |
6 |
| Avago Technologies International Sales Pte. Limited | 8777 |
6 |
| Micron Technology, Inc. | 26231 |
5 |
| ABB Schweiz AG | 6929 |
5 |
| Cirrus Logic, Inc. | 1769 |
5 |
| Itron, Inc. | 883 |
5 |
| Itron Networked Solutions, Inc. | 208 |
5 |
| Indigo Technologies, Inc. | 49 |
5 |
| Apple Inc. | 54658 |
4 |
| Qualcomm Incorporated | 84971 |
4 |
| Other owners | 527 |