H02M 7/797
Using semiconductor devices only
Official title: using semiconductor devices only
H02M7/797 (Using semiconductor devices only) appears on 745 US grants and 971 published applications in this corpus.
Search patents in H02M- Granted patents
- 745
- Published applications
- 971
- Assignees
- 421
- Inventors
- 1,954
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 2 | 6 |
| 2004 | 5 | 6 |
| 2005 | 4 | 7 |
| 2006 | 4 | 6 |
| 2007 | 4 | 13 |
| 2008 | 6 | 13 |
| 2009 | 5 | 8 |
| 2010 | 7 | 22 |
| 2011 | 10 | 16 |
| 2012 | 18 | 31 |
| 2013 | 20 | 44 |
| 2014 | 28 | 43 |
| 2015 | 35 | 51 |
| 2016 | 53 | 47 |
| 2017 | 46 | 36 |
| 2018 | 44 | 66 |
| 2019 | 58 | 62 |
| 2020 | 54 | 49 |
| 2021 | 42 | 60 |
| 2022 | 54 | 71 |
| 2023 | 46 | 85 |
| 2024 | 68 | 78 |
| 2025 | 67 | 61 |
| 2026 | 36 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power conversion device comprising three-level inverter and balance circuit and control method thereof15 Sep 2026US 12,738,863 B2Delta Electronics (Shanghai) Co., Ltd.
- Bi-directional split-phase inverter circuit and bi-directional split-phase inverter15 Sep 2026US 12,738,867 B2Huizhou Roypow Technology Co., Ltd
- Power converter, energy storage system, and control method1 Sep 2026US 12,726,137 B2Huawei Digital Power Technologies Co., Ltd.
- Power supply system for an aircraft actuator25 Aug 2026US 12,719,269 B2Safran Electronics & Defense
- Power grid configuration control method and apparatus for flexible direct current power transmission system, and medium18 Aug 2026US 12,712,365 B2Electric Power Research Institute. China Southern Power Grid
- Method of discharging a high-power component, power electronics arrangement according to this method, and motor vehicle with a power electronics arrangement8 Oct 2026US 2026/0312487 A1
- Energy storage system1 Oct 2026US 2026/0302787 A1Huawei Technologies Co., Ltd.
- Power conversion device1 Oct 2026US 2026/0302920 A1Nissan Motor Co., Ltd.
- Bidirectional power supply device1 Oct 2026US 2026/0302926 A1Kabushiki Kaisha Toyota Jidoshokki
- Systems and methods for power conversion with lc filter having an inductor with board-embedded winding1 Oct 2026US 2026/0302969 A1The Trustees of Columbia University in the City of New York
Most cited
By later US patents
- Power supply control for power generator234US 7,880,334 B2Ceres Intellectual Property Company Limited · 2011
- System interconnection electric power generator and control method therefor203US 6,809,942 B2Sanyo Electric Co., Ltd. · 2004
- Bidirectional DC/AC inverter193US 7,450,401 B2Kabushiki Kaisha Toyota Jidoshokki · 2008
- Power converter system190US 6,940,735 B2Ballard Power Systems Inc. · 2005
- Synchronous and bi-directional variable frequency power conversion systems169US 6,850,426 B2Honeywell International Inc. · 2005