- 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: 2963
10-year publication summary
|
254
|
292
|
314
|
323
|
305
|
325
|
305
|
266
|
292
|
66
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 41338 |
81 |
| Fuji Electric Co., Ltd. | 4472 |
58 |
| Texas Instruments Incorporated | 19191 |
56 |
| Samsung Electronics Co., Ltd. | 121140 |
53 |
| Hyundai Motor Company | 16731 |
52 |
| Infineon Technologies Austria AG | 1822 |
46 |
| Semiconductor Components Industries, L.L.C. | 5462 |
46 |
| Tridonic GmbH & Co KG | 859 |
42 |
| Delta Electronics, Inc. | 2321 |
40 |
| Silergy Semiconductor Technology (Hangzhou) LTD | 550 |
40 |
| Signify Holding B.V. | 6437 |
36 |
| Huawei Digital Power Technologies Co. Ltd. | 953 |
35 |
| Kia Motors Corporation | 8234 |
34 |
| Astec International Limited | 198 |
33 |
| Emerson Climate Technologies, Inc. | 897 |
33 |
| STMicroelectronics S.r.l. | 3581 |
32 |
| Delta Electronics (Shanghai) Co., Ltd. | 555 |
31 |
| Daikin Industries, Ltd. | 8776 |
28 |
| Huawei Technologies Co., Ltd. | 89817 |
25 |
| Rohm Co., Ltd. | 5086 |
23 |
| Other owners | 2139 |