- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 50/44 - Magnetic coils or windings
Patent holdings for IPC class H01H 50/44
Total number of patents in this class: 404
10-year publication summary
|
31
|
25
|
29
|
42
|
46
|
43
|
42
|
40
|
26
|
25
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7260 |
51 |
| Panasonic Intellectual Property Management Co., Ltd. | 31330 |
23 |
| Schneider Electric Industries SAS | 1484 |
17 |
| Eaton Intelligent Power Limited | 5983 |
14 |
| Rockwell Automation Technologies, Inc. | 2720 |
13 |
| Xiamen Hongfa Electric Power Controls Co., Ltd. | 136 |
12 |
| Fujitsu Component Limited | 258 |
10 |
| Fuji Electric FA Components & Systems Co., Ltd. | 250 |
10 |
| Xiamen Hongfa Automotive Electronics Co., Ltd. | 15 |
9 |
| ARC Suppression Technologies | 40 |
7 |
| LS ELECTRIC Co., Ltd | 693 |
7 |
| Siemens AG | 24505 |
6 |
| Mitsubishi Electric Corporation | 46037 |
6 |
| ABB Schweiz AG | 6958 |
6 |
| Johnson Electric International AG | 374 |
6 |
| Xiamen Hongfa Signal Electronics Co., Ltd. | 13 |
6 |
| Denso Corporation | 24259 |
5 |
| Lsis Co., Ltd. | 816 |
5 |
| TE Connectivity Solutions GmbH | 2810 |
5 |
| TE Connectivity Austria GmbH | 39 |
5 |
| Other owners | 181 |