- 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 7/04 - Conversion of ac power input into dc power output without possibility of reversal by static converters
Patent holdings for IPC class H02M 7/04
Total number of patents in this class: 987
10-year publication summary
101
|
155
|
173
|
112
|
97
|
85
|
63
|
89
|
61
|
28
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
43 |
Mitsubishi Electric Corporation | 43934 |
34 |
Samsung Electronics Co., Ltd. | 131630 |
21 |
Delta Electronics, Inc. | 2401 |
19 |
Queen's University at Kingston | 517 |
18 |
Semiconductor Components Industries, L.L.C. | 5345 |
14 |
Toshiba Mitsubishi-Electric Industrial Systems Corporation | 1583 |
13 |
ABB Schweiz AG | 6321 |
12 |
Delta Electronics (Shanghai) Co., Ltd. | 611 |
12 |
Hamilton Sundstrand Corporation | 4525 |
11 |
Daikin Industries, Ltd. | 9495 |
10 |
Huawei Digital Power Technologies Co. Ltd. | 1527 |
10 |
Huawei Technologies Co., Ltd. | 100781 |
9 |
GE Energy Power Conversion Technology Ltd | 407 |
9 |
Schneider Electric IT Corporation | 737 |
9 |
Canon Inc. | 36841 |
8 |
Fuji Electric Co., Ltd. | 4750 |
8 |
Chicony Power Technology Co., Ltd. | 244 |
8 |
Eaton Intelligent Power Limited | 6113 |
8 |
Rockwell Automation Technologies, Inc. | 2547 |
7 |
Other owners | 704 |