- 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: 2108
10-year publication summary
|
181
|
208
|
220
|
185
|
173
|
182
|
153
|
198
|
219
|
21
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Texas Instruments Incorporated | 19555 |
59 |
| Mitsubishi Electric Corporation | 47302 |
53 |
| BorgWarner US Technologies LLC | 441 |
45 |
| Samsung Electronics Co., Ltd. | 151017 |
32 |
| Semiconductor Components Industries, L.L.C. | 5290 |
31 |
| Robert Bosch GmbH | 43244 |
30 |
| Murata Manufacturing Co., Ltd. | 25214 |
28 |
| Hitachi Astemo, Ltd. | 6386 |
27 |
| Huawei Digital Power Technologies Co. Ltd. | 2374 |
27 |
| Siemens AG | 24294 |
26 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22016 |
24 |
| Denso Corporation | 24965 |
23 |
| Hamilton Sundstrand Corporation | 4994 |
23 |
| Delta Electronics (Shanghai) Co., Ltd. | 742 |
22 |
| Hyundai Motor Company | 23166 |
21 |
| Apple Inc. | 56891 |
20 |
| Power Integrations, Inc. | 557 |
19 |
| LG Electronics Inc. | 74262 |
17 |
| Huawei Technologies Co., Ltd. | 117695 |
17 |
| Kia Motors Corporation | 7740 |
17 |
| Other owners | 1547 |