- 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 7/217 - Conversion of ac power input into dc power output without possibility of reversal 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
Patent holdings for IPC class H02M 7/217
Total number of patents in this class: 1778
10-year publication summary
157
|
182
|
147
|
185
|
166
|
135
|
145
|
150
|
147
|
36
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
62 |
Fuji Electric Co., Ltd. | 4750 |
39 |
Semiconductor Components Industries, L.L.C. | 5345 |
36 |
Texas Instruments Incorporated | 19376 |
34 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
33 |
Lutron Technology Company LLC | 2300 |
26 |
Infineon Technologies Austria AG | 1954 |
25 |
Huawei Digital Power Technologies Co. Ltd. | 1527 |
25 |
STMicroelectronics S.r.l. | 3693 |
23 |
Delta Electronics, Inc. | 2401 |
23 |
Hamilton Sundstrand Corporation | 4525 |
19 |
Silergy Semiconductor Technology (Hangzhou) LTD | 588 |
19 |
Samsung Electronics Co., Ltd. | 131630 |
18 |
Infineon Technologies AG | 8189 |
18 |
Delta Electronics (Shanghai) Co., Ltd. | 611 |
17 |
Huawei Technologies Co., Ltd. | 100781 |
16 |
Rohm Co., Ltd. | 5843 |
16 |
Robert Bosch GmbH | 40953 |
15 |
Siemens AG | 24990 |
13 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
13 |
Other owners | 1288 |