H05B 45/3725
Switched mode power supply [smps]
Official title: Switched mode power supply [SMPS]
H05B45/3725 (Switched mode power supply [smps]) appears on 5,582 US grants and 6,166 published applications in this corpus.
Search patents in H05B- Granted patents
- 5,582
- Published applications
- 6,166
- Assignees
- 1,376
- Inventors
- 6,559
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 8 | 4 |
| 2002 | 18 | 21 |
| 2003 | 22 | 31 |
| 2004 | 13 | 47 |
| 2005 | 27 | 71 |
| 2006 | 36 | 76 |
| 2007 | 56 | 118 |
| 2008 | 56 | 137 |
| 2009 | 76 | 196 |
| 2010 | 113 | 304 |
| 2011 | 165 | 356 |
| 2012 | 266 | 494 |
| 2013 | 341 | 512 |
| 2014 | 502 | 575 |
| 2015 | 567 | 573 |
| 2016 | 664 | 474 |
| 2017 | 523 | 396 |
| 2018 | 410 | 324 |
| 2019 | 424 | 324 |
| 2020 | 276 | 215 |
| 2021 | 204 | 202 |
| 2022 | 206 | 193 |
| 2023 | 187 | 168 |
| 2024 | 163 | 152 |
| 2025 | 141 | 127 |
| 2026 | 92 | 76 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H05B 45/38Using boost topology1,815
- H05B 45/375Using buck topology1,669
- H05B 45/385Using flyback topology1,149
- H05B 45/382With galvanic isolation between input and output793
- H05B 45/39Circuits containing inverter bridges628
- H05B 45/392Wherein the leds are placed as freewheeling diodes at the secondary side40
Recent patents
- Power converter6 Oct 2026US 12,756,307 B2Novatek Microelectronics Corp.
- Load control device for high-efficiency loads29 Sep 2026US 12,750,930 B2Lutron Technology Company LLC
- Device for generating a current driver voltage, and laser system29 Sep 2026US 12,750,934 B2Trumpf Laser GmbH
- Flexible lighting device15 Sep 2026US 12,736,192 B2
- Tunable color light engine having modular and interchangeable design15 Sep 2026US 12,736,208 B2Erp Power, LLC
- Ripple control of an led driving circuit8 Oct 2026US 2026/0313767 A1Signify Holding B. V.
- Method and apparatus for an adaptable vehicle light fixture8 Oct 2026US 2026/0313768 A1Nacho LED LLC
- Lighting device control system8 Oct 2026US 2026/0313774 A1Zhengzhou Dewenwils Network Technology Co., Ltd.
- Configuration for a Load Regulation Device for Lighting Control1 Oct 2026US 2026/0304572 A1Lutron Technology Company LLC
- An led driving arrangement24 Sep 2026US 2026/0292951 A1Signify Holding B. V.
Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Smart light bulb852US 6,528,954 B1Color Kinetics Incorporated · 2003
- Precision illumination methods and systems780US 6,459,919 B1Color Kinetics Incorporated · 2002
- Methods and apparatus for providing power to lighting devices771US 7,038,399 B2Color Kinetics Incorporated · 2006
- Power/data protocol747US 6,292,901 B1Color Kinetics Incorporated · 2001