- 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 7/81 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal arranged for operation in parallel
Patent holdings for IPC class H02M 7/81
Total number of patents in this class: 92
10-year publication summary
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2
|
5
|
7
|
3
|
6
|
4
|
5
|
9
|
14
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Trustees of Columbia University in the City of New York | 3649 |
9 |
| Mitsubishi Electric Corporation | 48236 |
3 |
| Delta Electronics, Inc. | 2850 |
3 |
| Tau Motors, Inc. | 82 |
3 |
| Huawei Digital Power Technologies Co. Ltd. | 2557 |
3 |
| Pacific Energy Inc. | 3 |
3 |
| Toyota Industries Corporation | 1219 |
2 |
| GE Energy Power Conversion Technology Ltd | 438 |
2 |
| SEW-EURODRIVE GmbH & Co. KG | 2040 |
2 |
| Innomotics GmbH | 612 |
2 |
| General Electric Company | 13938 |
1 |
| Siemens AG | 23983 |
1 |
| Centre National de La Recherche Scientifique | 11077 |
1 |
| Sumitomo Electric Industries, Ltd. | 16331 |
1 |
| Huawei Technologies Co., Ltd. | 124379 |
1 |
| Hyundai Motor Company | 24852 |
1 |
| STMicroelectronics (Tours) SAS | 213 |
1 |
| Continental Automotive GmbH | 4471 |
1 |
| Alstom Technology Ltd | 1035 |
1 |
| Sumitomo Wiring Systems, Ltd. | 11139 |
1 |
| Other owners | 50 |