H02M 1/38
Means for preventing simultaneous conduction of switches
H02M1/38 (Means for preventing simultaneous conduction of switches) appears on 1,111 US grants and 1,115 published applications in this corpus.
Search patents in H02M- Granted patents
- 1,111
- Published applications
- 1,115
- Assignees
- 523
- Inventors
- 2,265
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 5 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 8 | 0 |
| 2001 | 13 | 2 |
| 2002 | 7 | 14 |
| 2003 | 8 | 7 |
| 2004 | 19 | 33 |
| 2005 | 22 | 22 |
| 2006 | 23 | 22 |
| 2007 | 14 | 22 |
| 2008 | 18 | 20 |
| 2009 | 27 | 15 |
| 2010 | 18 | 15 |
| 2011 | 14 | 17 |
| 2012 | 15 | 35 |
| 2013 | 23 | 33 |
| 2014 | 38 | 44 |
| 2015 | 35 | 45 |
| 2016 | 35 | 37 |
| 2017 | 53 | 41 |
| 2018 | 57 | 58 |
| 2019 | 74 | 58 |
| 2020 | 66 | 61 |
| 2021 | 56 | 73 |
| 2022 | 45 | 75 |
| 2023 | 94 | 76 |
| 2024 | 67 | 137 |
| 2025 | 107 | 93 |
| 2026 | 56 | 60 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power factor correction circuit accounting for zero crossing delay29 Sep 2026US 12,749,967 B2Samsung Electronics Co., Ltd.
- Gate driver circuit and process for reducing dead time duration upon switching15 Sep 2026US 12,738,838 B2Mitsubishi Electric Corporation
- Method and means of dead time reduction in half bridge topology8 Sep 2026US 12,732,095 B2Analog Devices International Unlimited Company
- Resonant power conversion circuit and control method thereof for balancing duty cycles of high-side transistor and low-side transistor8 Sep 2026US 12,732,098 B2Richtek Technology Corporation
- Automatic reverse current adjustment in an active clamp flyback converter8 Sep 2026US 12,732,114 B2STMicroelectronics International N. V.
- Resonant charge pump circuit8 Oct 2026US 2026/0312493 A1Qorvo US, Inc.
- Switch-mode power converters with demagnetization detection and methods thereof8 Oct 2026US 2026/0312501 A1On-Bright Integrations Co., Ltd.
- 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
- Reduced EMI Inverter Dead Time Compensator System and Method Thereof17 Sep 2026US 2026/0280419 A1
- Power converter3 Sep 2026US 2026/0261200 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Self-driven synchronous rectification scheme263US 6,038,148 AEricsson Inc. · 2000
- Controller for high efficiency resonant switching converters189US 5,712,772 AEricsson Raynet · 1998
- Control method to reduce body diode conduction and reverse recovery losses163US 6,396,250 B1Texas Instruments Incorporated · 2002
- High efficiency resonant switching converters128US 5,694,304 AEricsson Raynet · 1997
- Full-bridge lossless switching converter112US 4,864,479 AGeneral Electric Company · 1989