- 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 systemsconversion of dc or ac input power into surge output powercontrol 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: 1999
10-year publication summary
|
118
|
181
|
208
|
220
|
185
|
173
|
182
|
151
|
182
|
155
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19450 |
57 |
| Mitsubishi Electric Corporation | 46295 |
50 |
| BorgWarner US Technologies LLC | 435 |
32 |
| Samsung Electronics Co., Ltd. | 147131 |
29 |
| Semiconductor Components Industries, L.L.C. | 5270 |
29 |
| Robert Bosch GmbH | 42742 |
28 |
| Hitachi Astemo, Ltd. | 6385 |
27 |
| Siemens AG | 24436 |
25 |
| Murata Manufacturing Co., Ltd. | 24650 |
24 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21124 |
24 |
| Huawei Digital Power Technologies Co. Ltd. | 2214 |
23 |
| Delta Electronics (Shanghai) Co., Ltd. | 725 |
22 |
| Denso Corporation | 24387 |
21 |
| Hyundai Motor Company | 22167 |
21 |
| Hamilton Sundstrand Corporation | 4902 |
21 |
| Apple Inc. | 55287 |
19 |
| Power Integrations, Inc. | 548 |
19 |
| Huawei Technologies Co., Ltd. | 113340 |
17 |
| Kia Motors Corporation | 7751 |
17 |
| LG Electronics Inc. | 73393 |
16 |
| Other owners | 1478 |