- 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 3/156 - Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators
Patent holdings for IPC class H02M 3/156
Total number of patents in this class: 3858
10-year publication summary
479
|
405
|
365
|
448
|
430
|
340
|
246
|
209
|
188
|
43
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Texas Instruments Incorporated | 19376 |
200 |
Rohm Co., Ltd. | 5843 |
102 |
Semiconductor Components Industries, L.L.C. | 5345 |
86 |
Qualcomm Incorporated | 76576 |
81 |
Infineon Technologies Austria AG | 1954 |
72 |
Dialog Semiconductor (UK) Limited | 448 |
60 |
Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
60 |
Chengdu Monolithic Power Systems Co., Ltd. | 335 |
58 |
Samsung Electronics Co., Ltd. | 131630 |
46 |
Intel Corporation | 45621 |
42 |
STMicroelectronics S.r.l. | 3693 |
38 |
Microchip Technology Incorporated | 2644 |
37 |
On-Bright Electronics (Shanghai) Co., Ltd. | 326 |
37 |
Infineon Technologies AG | 8189 |
36 |
Apple Inc. | 50209 |
35 |
Robert Bosch GmbH | 40953 |
35 |
Huawei Technologies Co., Ltd. | 100781 |
33 |
Cirrus Logic, Inc. | 1719 |
33 |
Intersil Americas LLC | 462 |
33 |
Fuji Electric Co., Ltd. | 4750 |
32 |
Other owners | 2702 |