H05B 45/3578
Emulating the electrical or functional characteristics of discharge lamps
H05B45/3578 (Emulating the electrical or functional characteristics of discharge lamps) appears on 322 US grants and 364 published applications in this corpus.
Search patents in H05B- Granted patents
- 322
- Published applications
- 364
- Assignees
- 130
- Inventors
- 444
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2002 | 0 | 3 |
| 2003 | 0 | 5 |
| 2004 | 1 | 5 |
| 2005 | 4 | 10 |
| 2006 | 7 | 4 |
| 2007 | 6 | 9 |
| 2008 | 1 | 6 |
| 2009 | 6 | 6 |
| 2010 | 3 | 18 |
| 2011 | 5 | 18 |
| 2012 | 10 | 26 |
| 2013 | 16 | 15 |
| 2014 | 20 | 22 |
| 2015 | 19 | 22 |
| 2016 | 25 | 24 |
| 2017 | 40 | 30 |
| 2018 | 24 | 26 |
| 2019 | 24 | 29 |
| 2020 | 30 | 29 |
| 2021 | 25 | 23 |
| 2022 | 23 | 13 |
| 2023 | 12 | 11 |
| 2024 | 15 | 5 |
| 2025 | 5 | 3 |
| 2026 | 1 | 2 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- LED tube lamp26 May 2026US 12,638,141 B2Jiaxing Super Lighting Electric Appliance Co., Ltd
- Driver for driving an LED light engine of an LED tube24 Jun 2025US 12,342,435 B2Ledvance GmbH
- LED driving circuit and LED lamp13 May 2025US 12,302,465 B2Ch Lighting Technology Co., Ltd.
- Linear solid-state lighting with low emergency power and auto-tests25 Feb 2025US 12,238,835 B2Aleddra Inc.
- Auxiliary arrangement for a LED tube lamp18 Feb 2025US 12,230,999 B2Signify Holding B. V.
- Drive circuitry for dc systems30 Jul 2026US 2026/0219643 A1Signify Holding B. V.
- Highly compatible lighting device driver16 Jul 2026US 2026/0206116 A1Xiamen PVTECH Co., Ltd.
- Led lamp arrangement with svm reduction circuit20 Nov 2025US 2025/0358916 A1Seaborough Electronics IP B.V.
- Electrodeless dichromatic flickering bulb and light-emitting-diode light string18 Sep 2025US 2025/0294653 A1
- Led tube lamp6 Feb 2025US 2025/0043926 A1Jiaxing Super Lighting Electric Appliance Co., Ltd
Most cited
By later US patents
- Lighting methods and systems641US 7,178,941 B2Color Kinetics Incorporated · 2007
- Light-emitting diode based products436US 7,064,498 B2Color Kinetics Incorporated · 2006
- LED replacement for fluorescent lighting371US 6,860,628 B22005
- LED retrofit lamp317US 6,853,151 B2DeNovo Lighting, LLC · 2005
- Retrofit LED lamp for fluorescent fixtures without ballast310US 7,507,001 B2DeNovo Lighting, LLC · 2009