- All sections
- H - Electricity
- H01H - Electric switchesrelaysselectorsemergency protective devices
- H01H 50/54 - Contact arrangements
Patent holdings for IPC class H01H 50/54
Total number of patents in this class: 1110
10-year publication summary
|
62
|
61
|
71
|
101
|
96
|
88
|
106
|
97
|
107
|
83
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Omron Corporation | 7297 |
163 |
| Panasonic Intellectual Property Management Co., Ltd. | 31806 |
78 |
| Fuji Electric FA Components & Systems Co., Ltd. | 250 |
65 |
| LS ELECTRIC Co., Ltd | 734 |
56 |
| Xiamen Hongfa Electric Power Controls Co., Ltd. | 156 |
49 |
| Eaton Intelligent Power Limited | 6014 |
31 |
| TDK Electronics AG | 945 |
30 |
| Siemens AG | 24409 |
24 |
| Schneider Electric Industries SAS | 1498 |
21 |
| Fuji Electric Co., Ltd. | 5194 |
20 |
| Lsis Co., Ltd. | 816 |
20 |
| Mitsubishi Electric Corporation | 46397 |
18 |
| Safran Electrical & Power | 697 |
18 |
| Rockwell Automation Technologies, Inc. | 2730 |
17 |
| Fujitsu Component Limited | 258 |
14 |
| Sensata Technologies, Inc. | 400 |
14 |
| Denso Corporation | 24431 |
13 |
| BYD Company Limited | 5089 |
12 |
| Anden Co., Ltd. | 96 |
11 |
| TE Connectivity Solutions GmbH | 2844 |
11 |
| Other owners | 425 |