- 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: 459
10-year publication summary
|
25
|
29
|
42
|
46
|
43
|
40
|
40
|
28
|
48
|
37
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7438 |
51 |
| Xiamen Hongfa Electric Power Controls Co., Ltd. | 317 |
35 |
| Panasonic Intellectual Property Management Co., Ltd. | 34685 |
25 |
| Schneider Electric Industries SAS | 1601 |
16 |
| Eaton Intelligent Power Limited | 6304 |
15 |
| Rockwell Automation Technologies, Inc. | 2800 |
13 |
| Fujitsu Component Limited | 256 |
10 |
| Fuji Electric FA Components & Systems Co., Ltd. | 246 |
10 |
| Xiamen Hongfa Automotive Electronics Co., Ltd. | 19 |
9 |
| LS ELECTRIC Co., Ltd | 882 |
8 |
| Tyco Electronics (shanghai) Co. Ltd. | 1081 |
7 |
| ARC Suppression Technologies | 40 |
7 |
| Siemens AG | 23943 |
6 |
| Mitsubishi Electric Corporation | 48508 |
6 |
| ABB Schweiz AG | 7775 |
6 |
| Sensata Technologies, Inc. | 443 |
6 |
| TE Connectivity Solutions GmbH | 3091 |
6 |
| Johnson Electric International AG | 380 |
6 |
| Xiamen Hongfa Signal Electronics Co., Ltd. | 16 |
6 |
| Denso Corporation | 25909 |
5 |
| Other owners | 206 |