H02M 3/33584
Bidirectional converters
Official title: {Bidirectional converters}
H02M3/33584 (Bidirectional converters) appears on 1,187 US grants and 1,572 published applications in this corpus.
Search patents in H02M- Granted patents
- 1,187
- Published applications
- 1,572
- Assignees
- 554
- Inventors
- 2,771
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 0 |
| 2002 | 4 | 4 |
| 2003 | 2 | 5 |
| 2004 | 7 | 6 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 5 |
| 2008 | 5 | 13 |
| 2009 | 4 | 8 |
| 2010 | 7 | 7 |
| 2011 | 8 | 17 |
| 2012 | 6 | 15 |
| 2013 | 14 | 17 |
| 2014 | 18 | 37 |
| 2015 | 21 | 58 |
| 2016 | 33 | 51 |
| 2017 | 70 | 56 |
| 2018 | 62 | 69 |
| 2019 | 78 | 83 |
| 2020 | 80 | 102 |
| 2021 | 90 | 136 |
| 2022 | 118 | 160 |
| 2023 | 109 | 167 |
| 2024 | 133 | 200 |
| 2025 | 146 | 181 |
| 2026 | 117 | 169 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Charging system, charging method, and vehicle6 Oct 2026US 12,756,211 B2Shinry Technologies Co., Ltd.
- Fabrication trade-off based optimal synthesis of winding configurations for planar transformer in capacitor-inductor-inductor-capacitor (CLLC) direct current (DC)-DC converter6 Oct 2026US 12,756,322 B2Arizona Board of Regents on behalf of Arizona State University
- Power conversion device29 Sep 2026US 12,749,985 B2Mitsubishi Electric Corporation
- Switch mode electrical power converter15 Sep 2026US 12,738,856 B2Differential Power, Sl
- Power conversion device comprising three-level inverter and balance circuit and control method thereof15 Sep 2026US 12,738,863 B2Delta Electronics (Shanghai) Co., Ltd.
- Multiport active bridge (mab) converter with equalized leakage inductances8 Oct 2026US 2026/0312504 A1Hitachi Energy Ltd
- Systems, methods, and converters for distributing power24 Sep 2026US 2026/0291272 A1Cirrus Logic International Semiconductor Ltd.
- Electric power conversion apparatus24 Sep 2026US 2026/0291368 A1Mazda Motor Corporation
- Systems and methods for adaptive dead time control of a device integrated with converters that implement soft switching24 Sep 2026US 2026/0291376 A1Nanyang Technologigal University
- Bidirectional dc-dc converter and its control method24 Sep 2026US 2026/0291398 A1Hyundai Mobis Co., Ltd.
Most cited
By later US patents
- Uninterruptible power supply with direction of DC electrical energy depending on predetermined ratio303US 5,978,236 ASilverline Power Conversion LLC · 1999
- Power conversion and distribution system283US 5,982,645 ASquare D Company · 1999
- DC/AC power converter233US 6,021,052 AStatpower Technologies Partnership · 2000
- Power conversion apparatus for DC/DC conversion using dual active bridges189US 5,027,264 AWisconsin Alumni Research Foundation · 1991
- Full bridge power converter with multiple zero voltage resonant transition switching143US 4,953,068 AUnisys Corporation · 1990