- All sections
- G - Physics
- G01R - Measuring electric variables; measuring 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: 639
10-year publication summary
|
82
|
65
|
47
|
44
|
41
|
37
|
36
|
30
|
46
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujitsu Limited | 19265 |
9 |
| International Business Machines Corporation | 60644 |
8 |
| Schweitzer Engineering Laboratories, Inc. | 920 |
8 |
| Samsung Electronics Co., Ltd. | 131630 |
7 |
| NEC Corporation | 32703 |
7 |
| Mitsubishi Electric Corporation | 43934 |
7 |
| Advantest Corporation | 1939 |
7 |
| Schneider Electric Industries SAS | 1376 |
7 |
| The Regents of the University of California | 18943 |
6 |
| Micron Technology, Inc. | 24960 |
6 |
| SK Hynix Inc. | 11030 |
6 |
| Avago Technologies International Sales Pte. Limited | 9260 |
6 |
| Siemens AG | 24990 |
5 |
| Cirrus Logic, Inc. | 1719 |
5 |
| Itron Networked Solutions, Inc. | 212 |
5 |
| Indigo Technologies, Inc. | 45 |
5 |
| Apple Inc. | 50209 |
4 |
| Qualcomm Incorporated | 76576 |
4 |
| Texas Instruments Incorporated | 19376 |
4 |
| Robert Bosch GmbH | 40953 |
4 |
| Other owners | 519 |