- 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 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
Patent holdings for IPC class H02M 1/44
Total number of patents in this class: 1704
10-year publication summary
|
113
|
121
|
183
|
210
|
222
|
185
|
172
|
179
|
148
|
49
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19376 |
52 |
| Mitsubishi Electric Corporation | 43934 |
45 |
| Semiconductor Components Industries, L.L.C. | 5345 |
28 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
26 |
| Hitachi Astemo, Ltd. | 5618 |
26 |
| Samsung Electronics Co., Ltd. | 131630 |
24 |
| Robert Bosch GmbH | 40953 |
24 |
| Siemens AG | 24990 |
22 |
| Hyundai Motor Company | 19021 |
21 |
| Power Integrations, Inc. | 527 |
20 |
| Denso Corporation | 23338 |
19 |
| Murata Manufacturing Co., Ltd. | 22355 |
18 |
| Delta Electronics (Shanghai) Co., Ltd. | 611 |
18 |
| Apple Inc. | 50209 |
17 |
| Hamilton Sundstrand Corporation | 4525 |
17 |
| Kia Motors Corporation | 7946 |
17 |
| Huawei Digital Power Technologies Co. Ltd. | 1527 |
16 |
| LG Electronics Inc. | 69257 |
14 |
| Huawei Technologies Co., Ltd. | 100781 |
13 |
| Dialog Semiconductor Inc. | 266 |
13 |
| Other owners | 1254 |