- All sections
- H - Electricity
- H02M - Apparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systemsconversion of dc or ac input power into surge output powercontrol or regulation thereof
- H02M 1/42 - Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
Patent holdings for IPC class H02M 1/42
Total number of patents in this class: 3976
10-year publication summary
|
324
|
305
|
325
|
305
|
275
|
308
|
316
|
353
|
282
|
185
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 158605 |
106 |
| Mitsubishi Electric Corporation | 48236 |
90 |
| Delta Electronics, Inc. | 2850 |
76 |
| Fuji Electric Co., Ltd. | 5521 |
75 |
| Texas Instruments Incorporated | 19639 |
73 |
| Huawei Digital Power Technologies Co. Ltd. | 2557 |
70 |
| Semiconductor Components Industries, L.L.C. | 5255 |
66 |
| Infineon Technologies Austria AG | 2351 |
64 |
| Hyundai Motor Company | 24852 |
63 |
| Signify Holding B.V. | 8146 |
54 |
| BorgWarner US Technologies LLC | 431 |
54 |
| Tridonic GmbH & Co KG | 1042 |
47 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 2101 |
46 |
| Delta Electronics (Shanghai) Co., Ltd. | 772 |
43 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 639 |
42 |
| AES Global Holdings, Pte. Ltd. | 406 |
37 |
| Kia Motors Corporation | 7717 |
34 |
| STMicroelectronics S.r.l. | 3369 |
33 |
| Huawei Technologies Co., Ltd. | 124379 |
32 |
| Murata Manufacturing Co., Ltd. | 25847 |
32 |
| Other owners | 2839 |