Patent holdings for IPC class H01H 9/56

Total number of patents in this class: 254

10-year publication summary

31
17
22
23
19
18
8
11
21
6
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Rockwell Automation Technologies, Inc.
2716
31
ABB Schweiz AG
6917
27
Siemens AG
24525
18
Mitsubishi Electric Corporation
45946
17
Hitachi Energy Ltd.
2192
12
Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation
6271
11
Amber Semiconductor, Inc.
37
10
Toshiba Corporation
12317
9
Eaton Intelligent Power Limited
5974
8
Lutron Technology Company LLC
2532
6
ABB Technology AG
1256
5
Zonit Structured Solutions, LLC
114
5
Pass & Seymour, Inc.
170
4
ABB Power Grids Switzerland AG
212
4
Siemens Energy Global GmbH & Co. KG
2937
4
GE Aviation Systems Limited
266
3
TE Connectivity Solutions GmbH
2793
3
Johnson Electric International AG
372
3
Honeywell International Inc.
13522
2
Alstom Technology Ltd
1109
2
Other owners 70