Patent holdings for IPC class G01R 21/00

Total number of patents in this class: 1217

10-year publication summary

208
125
101
73
66
71
46
39
37
17
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
NEC Corporation
32848
24
Schneider Electric USA, Inc.
1196
24
Texas Instruments Incorporated
19395
18
Lutron Technology Company LLC
2307
17
EI Electronics LLC d/b/a Electro Industries/gauge Tech
129
15
Samsung Electronics Co., Ltd.
132239
14
Schweitzer Engineering Laboratories, Inc.
922
14
Fujitsu Limited
19199
12
Itron, Inc.
821
12
Mitsubishi Electric Corporation
44016
11
Omron Corporation
6982
11
Sony Corporation
32767
10
Panasonic Corporation
20725
10
Panasonic Intellectual Property Management Co., Ltd.
27909
10
Landis+Gyr Technology, Inc.
409
10
Honeywell International Inc.
13795
9
Schneider Electric IT Corporation
738
9
Server Technology, Inc.
98
9
Landis+Gyr LLC
88
9
Eaton Intelligent Power Limited
6124
9
Other owners 960