- 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: 1220
10-year publication summary
208
|
125
|
101
|
73
|
66
|
71
|
46
|
39
|
38
|
15
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
NEC Corporation | 32703 |
24 |
Schneider Electric USA, Inc. | 1192 |
24 |
Texas Instruments Incorporated | 19376 |
18 |
Lutron Technology Company LLC | 2300 |
17 |
EI Electronics LLC d/b/a Electro Industries/gauge Tech | 128 |
15 |
Samsung Electronics Co., Ltd. | 131630 |
14 |
Schweitzer Engineering Laboratories, Inc. | 920 |
14 |
Fujitsu Limited | 19265 |
12 |
Itron, Inc. | 815 |
12 |
Mitsubishi Electric Corporation | 43934 |
11 |
Omron Corporation | 6968 |
11 |
Sony Corporation | 32931 |
10 |
Panasonic Corporation | 20786 |
10 |
Landis+Gyr Technology, Inc. | 406 |
10 |
Eaton Intelligent Power Limited | 6113 |
10 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
9 |
Schneider Electric IT Corporation | 737 |
9 |
Server Technology, Inc. | 100 |
9 |
Landis+Gyr LLC | 89 |
9 |
International Business Machines Corporation | 60644 |
8 |
Other owners | 964 |