- 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 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: 66
10-year publication summary
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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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4
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6
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 48018 |
10 |
| National University Corporation Nagaoka University of Technology | 147 |
5 |
| Gigaphoton Inc. | 1326 |
4 |
| Panasonic Intellectual Property Management Co., Ltd. | 33997 |
2 |
| NGK Insulators, Ltd. | 5236 |
2 |
| Scandinova Systems AB | 11 |
2 |
| State Grid Corporation of China | 1399 |
2 |
| Xi'an Jiaotong University | 736 |
2 |
| Mitsubishi Heavy Industries, Ltd. | 9128 |
1 |
| Panasonic Corporation | 19019 |
1 |
| Hewlett-Packard Development Company, L.P. | 25184 |
1 |
| Texas Instruments Incorporated | 19672 |
1 |
| Denso Corporation | 25534 |
1 |
| Tokyo Electron Limited | 13807 |
1 |
| Tsinghua University | 6211 |
1 |
| Shimadzu Corporation | 6340 |
1 |
| Hamamatsu Photonics K.K. | 4681 |
1 |
| Cap-xx Limited | 16 |
1 |
| China Electric Power Research Institute | 300 |
1 |
| Chongqing University | 305 |
1 |
| Other owners | 25 |