- 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 1/12 - Arrangements for reducing harmonics from ac input or output
Patent holdings for IPC class H02M 1/12
Total number of patents in this class: 2381
10-year publication summary
199
|
201
|
243
|
207
|
213
|
190
|
189
|
172
|
204
|
58
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Mitsubishi Electric Corporation | 43934 |
115 |
ABB Schweiz AG | 6321 |
80 |
Siemens AG | 24990 |
63 |
Daikin Industries, Ltd. | 9495 |
51 |
Rockwell Automation Technologies, Inc. | 2547 |
51 |
Hamilton Sundstrand Corporation | 4525 |
33 |
Fuji Electric Co., Ltd. | 4750 |
27 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
26 |
Strong Force IoT Portfolio 2016, LLC | 320 |
26 |
Semiconductor Components Industries, L.L.C. | 5345 |
25 |
Huawei Digital Power Technologies Co. Ltd. | 1527 |
24 |
Hitachi Energy Ltd. | 1921 |
23 |
General Electric Company | 18133 |
21 |
GE Energy Power Conversion Technology Ltd | 407 |
21 |
Huawei Technologies Co., Ltd. | 100781 |
20 |
CTM Magnetics, Inc. | 45 |
20 |
Denso Corporation | 23338 |
19 |
Robert Bosch GmbH | 40953 |
18 |
Delta Electronics (Shanghai) Co., Ltd. | 611 |
18 |
Murata Manufacturing Co., Ltd. | 22355 |
17 |
Other owners | 1683 |