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