- All sections
- G - Physics
- G01R - Measuring electric variables; measuring magnetic variables
- G01R 21/00 - Arrangements for measuring electric power or power factor
Patent holdings for IPC class G01R 21/00
Total number of patents in this class: 1228
10-year publication summary
|
134
|
208
|
125
|
101
|
73
|
65
|
69
|
44
|
36
|
13
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 30702 |
25 |
| Schneider Electric USA, Inc. | 1126 |
22 |
| Texas Instruments Incorporated | 19204 |
19 |
| General Electric Company | 25191 |
16 |
| Itron, Inc. | 759 |
16 |
| Samsung Electronics Co., Ltd. | 123340 |
15 |
| Schweitzer Engineering Laboratories, Inc. | 930 |
14 |
| Sony Corporation | 35977 |
13 |
| Fujitsu Limited | 19922 |
13 |
| Lutron Technology Company LLC | 2054 |
13 |
| Omron Corporation | 6720 |
11 |
| Panasonic Corporation | 21749 |
10 |
| Landis+Gyr Innovations, Inc. | 510 |
10 |
| Eaton Intelligent Power Limited | 5853 |
10 |
| International Business Machines Corporation | 63166 |
9 |
| Panasonic Intellectual Property Management Co., Ltd. | 26851 |
9 |
| Belkin International, Inc. | 363 |
9 |
| Schneider Electric IT Corporation | 710 |
9 |
| Server Technology, Inc. | 111 |
9 |
| Landis+Gyr LLC | 99 |
9 |
| Other owners | 967 |