- 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: 2291
10-year publication summary
|
183
|
210
|
222
|
185
|
174
|
181
|
158
|
214
|
222
|
177
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19622 |
64 |
| Mitsubishi Electric Corporation | 48409 |
58 |
| BorgWarner US Technologies LLC | 431 |
56 |
| Samsung Electronics Co., Ltd. | 159298 |
37 |
| Robert Bosch GmbH | 44363 |
32 |
| Semiconductor Components Industries, L.L.C. | 5260 |
31 |
| Murata Manufacturing Co., Ltd. | 25981 |
27 |
| Hitachi Astemo, Ltd. | 6431 |
27 |
| Huawei Digital Power Technologies Co. Ltd. | 2562 |
27 |
| Siemens AG | 23913 |
26 |
| Denso Corporation | 25799 |
25 |
| Hyundai Motor Company | 25034 |
25 |
| Delta Electronics (Shanghai) Co., Ltd. | 777 |
25 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23744 |
24 |
| Hamilton Sundstrand Corporation | 5013 |
23 |
| Power Integrations, Inc. | 572 |
22 |
| Apple Inc. | 59354 |
21 |
| Delta Electronics, Inc. | 2869 |
20 |
| LG Electronics Inc. | 76219 |
18 |
| Huawei Technologies Co., Ltd. | 125107 |
18 |
| Other owners | 1685 |