- All sections
- H - Electricity
- H01F - Magnetsinductancestransformersselection of materials for their magnetic properties
- H01F 38/42 - Flyback transformers
Patent holdings for IPC class H01F 38/42
Total number of patents in this class: 44
10-year publication summary
|
2
|
5
|
10
|
4
|
1
|
2
|
4
|
1
|
4
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Rompower Technology Holdings, LLC | 45 |
8 |
| Delta Electronics, Inc. | 2555 |
3 |
| Schumacher Electric Corporation | 120 |
3 |
| Panasonic Corporation | 20220 |
2 |
| Murata Manufacturing Co., Ltd. | 24137 |
2 |
| Sungrow Power Supply Co., Ltd. | 518 |
2 |
| ThyssenKrupp AG | 3237 |
2 |
| ThyssenKrupp Presta AG | 1101 |
2 |
| Mitsubishi Electric Corporation | 45414 |
1 |
| Hyundai Motor Company | 21174 |
1 |
| NPX B.V. | 2440 |
1 |
| Delta Electronics (Shanghai) Co., Ltd. | 681 |
1 |
| Enatel Limited | 27 |
1 |
| Enphase Energy, Inc. | 600 |
1 |
| Foundation for Research and Business, Seoul National University of Science and Technology | 146 |
1 |
| Google LLC | 41705 |
1 |
| Korea Electrotechnology Research Institute | 449 |
1 |
| Power Integrations, Inc. | 539 |
1 |
| Richard Wolf GmbH | 188 |
1 |
| Schneider Toshiba Inverter Europe SAS | 131 |
1 |
| Other owners | 8 |