- 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 7/04 - 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: 1026
10-year publication summary
|
155
|
173
|
112
|
97
|
85
|
66
|
91
|
64
|
63
|
37
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20883 |
41 |
| Mitsubishi Electric Corporation | 45962 |
36 |
| Samsung Electronics Co., Ltd. | 145416 |
23 |
| Delta Electronics, Inc. | 2601 |
21 |
| Queen's University at Kingston | 535 |
17 |
| Delta Electronics (Shanghai) Co., Ltd. | 710 |
16 |
| Semiconductor Components Industries, L.L.C. | 5253 |
13 |
| Daikin Industries, Ltd. | 9991 |
13 |
| Hamilton Sundstrand Corporation | 4853 |
12 |
| ABB Schweiz AG | 6929 |
12 |
| Huawei Digital Power Technologies Co. Ltd. | 2141 |
11 |
| Huawei Technologies Co., Ltd. | 111975 |
10 |
| Schneider Electric IT Corporation | 770 |
9 |
| Canon Inc. | 39713 |
8 |
| Fuji Electric Co., Ltd. | 5129 |
8 |
| Chicony Power Technology Co., Ltd. | 265 |
8 |
| TMEIC Corporation | 770 |
8 |
| Rockwell Automation Technologies, Inc. | 2716 |
7 |
| GE Energy Power Conversion Technology Ltd | 424 |
7 |
| Siemens AG | 24520 |
6 |
| Other owners | 740 |