Patent holdings for IPC class G01R 31/08

Total number of patents in this class: 6018

10-year publication summary

339
340
253
262
249
253
236
210
204
64
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Cisco Technology, Inc.
18858
318
Ericsson
20417
164
Huawei Technologies Co., Ltd.
100781
126
Schweitzer Engineering Laboratories, Inc.
920
105
Samsung Electronics Co., Ltd.
131630
88
Siemens AG
24990
84
Qualcomm Incorporated
76576
83
Avago Technologies International Sales Pte. Limited
9260
83
AT&T Intellectual Property I, L.P.
9886
74
Hitachi Energy Ltd.
1921
68
LG Electronics Inc.
69257
67
Juniper Networks, Inc.
3556
62
Marvell Asia PTE, Ltd.
6841
60
Cavium International
5549
59
ABB Schweiz AG
6321
56
General Electric Technology GmbH
1657
54
Apple Inc.
50209
53
International Business Machines Corporation
60644
51
Verizon Patent And Licensing Inc.
6900
49
Hewlett Packard Enterprise Development LP
10702
45
Other owners 4269