H02M 7/4835
Comprising two or more cells, each including a switchable capacitor, the capacitors
Official title: {comprising two or more cells, each including a switchable capacitor, the capacitors having a nominal charge voltage which corresponds to a given fraction of the input voltage, and the capacitors being selectively connected in series to determine the instantaneous output voltage}
H02M7/4835 (Comprising two or more cells, each including a switchable capacitor, the capacitors) appears on 1,020 US grants and 1,268 published applications in this corpus.
Search patents in H02M- Granted patents
- 1,020
- Published applications
- 1,268
- Assignees
- 292
- Inventors
- 1,844
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 2 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 8 |
| 2009 | 2 | 7 |
| 2010 | 2 | 14 |
| 2011 | 6 | 37 |
| 2012 | 13 | 34 |
| 2013 | 40 | 57 |
| 2014 | 45 | 70 |
| 2015 | 40 | 67 |
| 2016 | 66 | 95 |
| 2017 | 81 | 79 |
| 2018 | 79 | 87 |
| 2019 | 92 | 79 |
| 2020 | 77 | 83 |
| 2021 | 79 | 107 |
| 2022 | 79 | 99 |
| 2023 | 74 | 106 |
| 2024 | 89 | 87 |
| 2025 | 85 | 77 |
| 2026 | 51 | 71 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Power conversion apparatus having multi-level structure8 Sep 2026US 12,732,118 B2LG Innotek Co., Ltd.
- Method for energizing a modular multilevel converter1 Sep 2026US 12,726,112 B2Hitachi Energy Ltd
- Multi-level structures and methods for switched-mode power supplies8 Oct 2026US 2026/0312495 A1Murata Manufacturing Co., Ltd.
- Power electronic building block for modular multilevel converters1 Oct 2026US 2026/0302964 A1Hitachi Energy Ltd
- Five-level operation of three-phase matrix dual active bridge10 Sep 2026US 2026/0269743 A1Semiconductor Components Industries, LLC
- Power generating unit system, control method thereof, electronic device, and storage medium27 Aug 2026US 2026/0254252 A1Contemporary Amperex Future Energy Research Institute (Shanghai) Limited
- Power conversion device27 Aug 2026US 2026/0254366 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Reducing switching losses in series connected bridge inverters and amplifiers208US 5,734,565 AAmerican Superconductor Corporation · 1998
- Medium voltage PWM drive and method204US 5,625,545 AHalmar Robicon Group · 1997
- Multilevel cascade voltage source inverter with seperate DC sources182US 5,642,275 ALockheed Martin Energy System, Inc. · 1997
- Hybrid topology for multilevel power conversion129US 6,005,788 AWisconsin Alumni Research Foundation · 1999
- Low and medium voltage PWM AC/DC power conversion method and apparatus99US 5,638,263 AHalmar Robicon Group · 1997