H05B 45/375
Using buck topology
Official title: using buck topology
H05B45/375 (Using buck topology) appears on 1,669 US grants and 1,847 published applications in this corpus.
Search patents in H05B- Granted patents
- 1,669
- Published applications
- 1,847
- Assignees
- 540
- Inventors
- 2,369
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 4 | 5 |
| 2004 | 2 | 11 |
| 2005 | 6 | 16 |
| 2006 | 8 | 19 |
| 2007 | 11 | 18 |
| 2008 | 6 | 35 |
| 2009 | 11 | 44 |
| 2010 | 26 | 82 |
| 2011 | 47 | 111 |
| 2012 | 67 | 139 |
| 2013 | 90 | 143 |
| 2014 | 145 | 156 |
| 2015 | 170 | 185 |
| 2016 | 211 | 170 |
| 2017 | 185 | 125 |
| 2018 | 144 | 122 |
| 2019 | 132 | 125 |
| 2020 | 97 | 63 |
| 2021 | 59 | 56 |
| 2022 | 61 | 52 |
| 2023 | 52 | 48 |
| 2024 | 50 | 42 |
| 2025 | 44 | 52 |
| 2026 | 36 | 25 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Illumination components1,698US 6,211,626 B1Color Kinetics Incorporated · 2001
- Illumination components701US 6,340,868 B12002
- LED power control methods and apparatus433US 7,256,554 B2Color Kinetics Incorporated · 2007
- Dimmable LED-based MR16 lighting apparatus and methods431US 7,358,679 B2Philips Solid-State Lighting Solutions, Inc. · 2008
- LED-based lighting network power control methods and apparatus390US 7,233,115 B2Color Kinetics Incorporated · 2007