• All sections
  • H - Electricity
  • H02H - Emergency protective circuit arrangements
  • H02H 7/122 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for convertersEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for rectifiers for static converters or rectifiers for inverters, i.e. DC/AC converters

Patent holdings for IPC class H02H 7/122

Total number of patents in this class: 815

10-year publication summary

69
49
61
68
44
49
34
32
30
23
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
46346
34
Siemens AG
24421
29
Denso Corporation
24404
25
Semiconductor Components Industries, L.L.C.
5266
25
Fuji Electric Co., Ltd.
5174
19
Robert Bosch GmbH
42784
17
ABB Schweiz AG
7023
15
Huawei Digital Power Technologies Co. Ltd.
2221
15
Eaton Intelligent Power Limited
6012
13
Toyota Motor Corporation
32681
12
SolarEdge Technologies Ltd.
626
12
Hitachi Astemo, Ltd.
6387
11
On-Bright Electronics (Shanghai) Co., Ltd.
340
10
TMEIC Corporation
793
10
Future Systems Besitz GmbH
28
9
Rohm Co., Ltd.
6463
8
Sungrow Power Supply Co., Ltd.
578
8
Lsis Co., Ltd.
816
7
Power Integrations, Inc.
548
7
LS ELECTRIC Co., Ltd
731
7
Other owners 522