- 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 9/04 - Conversion of dc or ac input power into surge output power with dc input power using capacitative stores
Patent holdings for IPC class H02M 9/04
Total number of patents in this class: 59
10-year publication summary
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2
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3
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4
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4
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4
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3
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3
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3
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2
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0
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| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 44851 |
9 |
| National University Corporation Nagaoka University of Technology | 133 |
5 |
| Gigaphoton Inc. | 1187 |
4 |
| NGK Insulators, Ltd. | 4792 |
3 |
| Cap-xx Limited | 16 |
2 |
| Scandinova Systems AB | 15 |
2 |
| State Grid Corporation of China | 1347 |
2 |
| Toshiba Mitsubishi-Electric Industrial Systems Corporation | 988 |
2 |
| Xi'an Jiaotong University | 627 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 8538 |
1 |
| Panasonic Corporation | 20315 |
1 |
| Hewlett-Packard Development Company, L.P. | 27461 |
1 |
| Texas Instruments Incorporated | 19432 |
1 |
| Denso Corporation | 23769 |
1 |
| Tsinghua University | 5705 |
1 |
| Shimadzu Corporation | 6019 |
1 |
| Amada Miyachi America, Inc. | 16 |
1 |
| China Electric Power Research Institute | 258 |
1 |
| Daihatsu Motor Co., Ltd. | 141 |
1 |
| Eagle Harbor Technologies, Inc. | 75 |
1 |
| Other owners | 17 |