• 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: 822

10-year publication summary

49
61
68
44
49
34
32
30
33
11
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Mitsubishi Electric Corporation
47602
35
Siemens AG
24200
29
Denso Corporation
25183
26
Semiconductor Components Industries, L.L.C.
5260
23
Fuji Electric Co., Ltd.
5390
19
Huawei Digital Power Technologies Co. Ltd.
2454
18
Robert Bosch GmbH
43587
17
ABB Schweiz AG
7441
15
Toyota Motor Corporation
34633
13
Eaton Intelligent Power Limited
6158
13
SolarEdge Technologies Ltd.
628
12
Sungrow Power Supply Co., Ltd.
677
11
Hitachi Astemo, Ltd.
6409
11
TMEIC Corporation
868
11
On-Bright Electronics (Shanghai) Co., Ltd.
337
10
Future Systems Besitz GmbH
29
9
Rohm Co., Ltd.
6747
8
Lsis Co., Ltd.
814
7
Power Integrations, Inc.
565
7
LS ELECTRIC Co., Ltd
789
7
Other owners 521