- 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 7/521 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration
Patent holdings for IPC class H02M 7/521
Total number of patents in this class: 76
10-year publication summary
6
|
7
|
9
|
5
|
7
|
6
|
7
|
4
|
5
|
2
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Siemens Energy Global GmbH & Co. KG | 2867 |
6 |
Georgia Tech Research Corporation | 2637 |
4 |
ABB Schweiz AG | 6792 |
3 |
The University of Birmingham | 402 |
3 |
Hitachi Energy Ltd. | 2250 |
3 |
General Electric Company | 17223 |
2 |
Fuji Electric Co., Ltd. | 5004 |
2 |
Cummins Power Generation IP, Inc. | 277 |
2 |
GE Energy Power Conversion Technology Ltd | 427 |
2 |
Renesas Electronics America Inc. | 314 |
2 |
SEW-EURODRIVE GmbH & Co. KG | 1920 |
2 |
Global Energy Interconnection Research Institute, Co., Ltd. | 128 |
2 |
ABB Power Grids Switzerland AG | 212 |
2 |
Guangdong BESTEK Medical Devices Co.,Ltd. | 16 |
2 |
Siemens AG | 24556 |
1 |
Toyota Motor Corporation | 30619 |
1 |
Deere & Company | 7390 |
1 |
Hewlett-Packard Development Company, L.P. | 26243 |
1 |
Robert Bosch GmbH | 41933 |
1 |
Denso Corporation | 23877 |
1 |
Other owners | 33 |