H02M 3/33553
With galvanic isolation between input and output of both the power stage
Official title: {with galvanic isolation between input and output of both the power stage and the feedback loop}
H02M3/33553 (With galvanic isolation between input and output of both the power stage) appears on 289 US grants and 299 published applications in this corpus.
Search patents in H02M- Granted patents
- 289
- Published applications
- 299
- Assignees
- 176
- Inventors
- 508
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 1 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 2 | 1 |
| 2010 | 1 | 4 |
| 2011 | 2 | 2 |
| 2012 | 4 | 12 |
| 2013 | 4 | 8 |
| 2014 | 6 | 27 |
| 2015 | 12 | 25 |
| 2016 | 32 | 22 |
| 2017 | 32 | 27 |
| 2018 | 34 | 19 |
| 2019 | 24 | 30 |
| 2020 | 23 | 25 |
| 2021 | 22 | 25 |
| 2022 | 18 | 15 |
| 2023 | 19 | 20 |
| 2024 | 12 | 13 |
| 2025 | 15 | 10 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Switch control circuit and power converter comprising the same11 Aug 2026US 12,706,543 B2Chengdu Monolithic Power Systems Co., Ltd.
- Bi-directional communication scheme between primary and secondary for fly-back AC-DC converters26 May 2026US 12,640,658 B2Infineon Technologies Americas Corp.
- Forward converter and forward power factor corrector12 May 2026US 12,627,235 B2Industrial Technology Research Institute
- Energy extraction and utilization from the parasitic elements in power converters30 Dec 2025US 12,512,750 B2Rompower Technology Holdings, LLC
- Power converter and method of converting power30 Dec 2025US 12,513,800 B2Redisem Ltd.
- Electronic device for providing power to external device, and operating method thereof13 Aug 2026US 2026/0238136 A1Samsung Electronics Co., Ltd.
- Dc-dc converter using parallel point-of-load integrated circuits30 Jul 2026US 2026/0221884 A1Murata Manufacturing Co., Ltd.
- Inverter power generation systems and techniques30 Jul 2026US 2026/0221892 A1Generac Power Systems, Inc.
- Electric power conversion apparatus and electric power conversion system30 Apr 2026US 2026/0121514 A1TDK Corporation
- Forward converter having a primary-side current sense circuit12 Feb 2026US 2026/0045882 A1Lutron Technology Company LLC
Most cited
By later US patents
- Wireless solar power delivery90US 10,128,660 B1X Development LLC · 2018
- Cooperative primary and secondary current limiting to selectively limit aggregate and individual current outputs of a multi output converter69US 4,058,758 ABell Telephone Laboratories, Incorporated · 1977
- Electronic circuit control element with tap element62US 6,865,093 B2Power Integrations, Inc. · 2005
- High efficiency power converter48US 7,269,034 B2SynQor, Inc. · 2007
- Forward converter having a primary-side current sense circuit45US 9,232,574 B2Lutron Electronics Co., Inc. · 2016