- 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 systems; conversion of dc or ac input power into surge output power; control 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: 3240
10-year publication summary
|
292
|
314
|
324
|
305
|
324
|
304
|
273
|
302
|
290
|
107
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
85 |
| Samsung Electronics Co., Ltd. | 131630 |
70 |
| Texas Instruments Incorporated | 19376 |
67 |
| Fuji Electric Co., Ltd. | 4750 |
62 |
| Semiconductor Components Industries, L.L.C. | 5345 |
57 |
| Hyundai Motor Company | 19021 |
56 |
| Huawei Digital Power Technologies Co. Ltd. | 1527 |
56 |
| Infineon Technologies Austria AG | 1954 |
48 |
| Delta Electronics, Inc. | 2401 |
46 |
| Tridonic GmbH & Co KG | 922 |
43 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
41 |
| Signify Holding B.V. | 6837 |
38 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
36 |
| STMicroelectronics S.r.l. | 3693 |
35 |
| Astec International Limited | 203 |
35 |
| Kia Motors Corporation | 7946 |
34 |
| Huawei Technologies Co., Ltd. | 100781 |
28 |
| Rohm Co., Ltd. | 5843 |
26 |
| Daikin Industries, Ltd. | 9495 |
26 |
| GD Midea Air-Conditioning Equipment Co., Ltd. | 1475 |
26 |
| Other owners | 2325 |