- 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 3/325 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal
Patent holdings for IPC class H02M 3/325
Total number of patents in this class: 44
10-year publication summary
|
5
|
7
|
4
|
1
|
2
|
4
|
3
|
2
|
1
|
0
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Siemens AG | 24568 |
3 |
| On-Bright Electronics (Shanghai) Co., Ltd. | 335 |
3 |
| Huawei Digital Power Technologies Co. Ltd. | 1874 |
3 |
| Texas Instruments Incorporated | 19447 |
2 |
| Texas Instruments Japan, Ltd. | 1656 |
2 |
| Infineon Technologies Austria AG | 2069 |
1 |
| Mitsubishi Electric Corporation | 44904 |
1 |
| Semiconductor Components Industries, L.L.C. | 5245 |
1 |
| Hamilton Sundstrand Corporation | 4737 |
1 |
| The Trustees of Columbia University in the City of New York | 3524 |
1 |
| OSRAM SYLVANIA Inc. | 701 |
1 |
| Cooper Technologies Company | 641 |
1 |
| Lear Corporation | 1230 |
1 |
| Abbeydorney Holdings Ltd. | 4 |
1 |
| COMSYS AB | 22 |
1 |
| Dawonsys Co., Ltd. | 22 |
1 |
| Dialog Semiconductor Inc. | 264 |
1 |
| Eridan Communications, Inc. | 43 |
1 |
| Leadtrend Technology Corp. | 163 |
1 |
| O2Micro, Inc. | 23 |
1 |
| Other owners | 16 |