- 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 5/293 - 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 using semiconductor devices only
Patent holdings for IPC class H02M 5/293
Total number of patents in this class: 508
10-year publication summary
60
|
48
|
37
|
39
|
34
|
24
|
34
|
38
|
34
|
10
|
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 |
Nissan Motor Co., Ltd. | 12249 |
23 |
Nagaoka University of Technology | 78 |
18 |
Panasonic Intellectual Property Management Co., Ltd. | 27812 |
15 |
Lutron Technology Company LLC | 2300 |
12 |
Fuji Electric Co., Ltd. | 4750 |
11 |
ABB Schweiz AG | 6321 |
9 |
Siemens AG | 24990 |
7 |
Panasonic Corporation | 20786 |
7 |
Enphase Energy, Inc. | 554 |
7 |
ITT Manufacturing Enterprises LLC | 518 |
7 |
Nabtesco Corporation | 871 |
7 |
Hitachi Energy Ltd. | 1921 |
7 |
Omron Corporation | 6968 |
6 |
Tokyo Institute of Technology | 1367 |
6 |
Eaton Intelligent Power Limited | 6113 |
6 |
Canon Inc. | 36841 |
5 |
Murata Manufacturing Co., Ltd. | 22355 |
5 |
National University Corporation Hokkaido University | 1323 |
5 |
National University Corporation Nagaoka University of Technology | 129 |
5 |
Other owners | 312 |