- 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: 3742
10-year publication summary
|
309
|
318
|
303
|
321
|
301
|
270
|
308
|
307
|
340
|
247
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Samsung Electronics Co., Ltd. | 148649 |
89 |
| Mitsubishi Electric Corporation | 46765 |
88 |
| Texas Instruments Incorporated | 19486 |
71 |
| Fuji Electric Co., Ltd. | 5235 |
69 |
| Delta Electronics, Inc. | 2665 |
68 |
| Huawei Digital Power Technologies Co. Ltd. | 2302 |
67 |
| Semiconductor Components Industries, L.L.C. | 5282 |
63 |
| Hyundai Motor Company | 22664 |
62 |
| Infineon Technologies Austria AG | 2208 |
58 |
| Signify Holding B.V. | 7671 |
50 |
| Tridonic GmbH & Co KG | 1018 |
45 |
| Delta Electronics (Shanghai) Co., Ltd. | 731 |
43 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1889 |
43 |
| BorgWarner US Technologies LLC | 435 |
43 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 622 |
41 |
| AES Global Holdings, Pte. Ltd. | 345 |
37 |
| STMicroelectronics S.r.l. | 3601 |
35 |
| Kia Motors Corporation | 7743 |
34 |
| Murata Manufacturing Co., Ltd. | 24928 |
32 |
| Huawei Technologies Co., Ltd. | 115187 |
31 |
| Other owners | 2673 |