- 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 systems; conversion of dc or ac input power into surge output power; control or regulation thereof
- H02M 5/297 - Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc 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 for conversion of frequency
Patent holdings for IPC class H02M 5/297
Total number of patents in this class: 191
10-year publication summary
22
|
15
|
17
|
11
|
17
|
7
|
15
|
6
|
5
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Kabushiki Kaisha Yaskawa Denki | 1468 |
28 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
12 |
Nissan Motor Co., Ltd. | 12249 |
9 |
ITT Manufacturing Enterprises LLC | 518 |
9 |
Daikin Industries, Ltd. | 9495 |
8 |
ABB Schweiz AG | 6321 |
8 |
Enphase Energy, Inc. | 554 |
6 |
Lutron Technology Company LLC | 2300 |
6 |
Nagaoka University of Technology | 78 |
5 |
National University Corporation Nagaoka University of Technology | 129 |
5 |
Siemens Energy Global GmbH & Co. KG | 2775 |
5 |
Siemens AG | 24990 |
4 |
Hitachi Energy Ltd. | 1921 |
4 |
Panasonic Corporation | 20786 |
3 |
Fuji Electric Co., Ltd. | 4750 |
3 |
Schneider Toshiba Inverter Europe SAS | 126 |
3 |
Eaton Intelligent Power Limited | 6113 |
3 |
Third Equation Ltd | 13 |
3 |
Omron Corporation | 6968 |
2 |
Danmarks Tekniske Universitet | 902 |
2 |
Other owners | 63 |