F21S 41/173
Fluorescent light sources
F21S41/173 (Fluorescent light sources) appears on 40 US grants and 22 published applications in this corpus.
Search patents in F21S- Granted patents
- 40
- Published applications
- 22
- Assignees
- 21
- Inventors
- 71
- Latest grant
- 31 Aug 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 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 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 2 |
| 2003 | 2 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 5 |
| 2006 | 3 | 0 |
| 2007 | 2 | 1 |
| 2008 | 2 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 2 | 2 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 3 |
| 2019 | 1 | 1 |
| 2020 | 0 | 0 |
| 2021 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Light source device, projector, and vehicle31 Aug 2021US 11,105,482 B2Panasonic Intellectual Property Management Co., Ltd.
- Light emission device and illumination device27 Jul 2021US 11,073,253 B2Panasonic Intellectual Property Management Co., Ltd.
- Apparatus having blue light source, dichroic mirror and phosphor converter to generate white light29 Oct 2019US 10,458,612 B2Texas Instruments Incorporated
- Hybrid illumination system having a blue laser diode, dichroic mirror and yellow transmissive phosphor converter for generating white light16 Jan 2018US 9,869,442 B2Texas Instruments Incorporated
- Adaptive lighting system for an automobile vehicle13 Jun 2017US 9,677,736 B2Valeo Vision
- Light source device, projector, and vehicle29 Apr 2021US 2021/0123577 A1Panasonic Intellectual Property Management Co., Ltd.
- Light emission device and illumination device18 Apr 2019US 2019/0113200 A1Panasonic Intellectual Property Management Co., Ltd.
- Light-emitting device11 Oct 2018US 2018/0292059 A1Sharp Kabushiki Kaisha
- Hybrid illumination for headlamp17 May 2018US 2018/0135823 A1Texas Instruments Incorporated
- Lighting apparatus19 Apr 2018US 2018/0106449 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- High efficiency illuminator127US 5,471,371 AFord Motor Company · 1995
- Discharge lamp having light-transmissive conductive coating for RF containment and heating78US 5,702,179 AOsram Sylvania Inc. · 1997
- Impact resistant explosion proof lamp comprising encapsulated light source42US 4,112,485 A1978
- Light assembly for motor vehicles39US 5,582,480 AReitter & Schefenacker GmbH & Co. KG · 1996
- Lighting with EMI shielding38US 5,882,108 AValeo Sylvania LLC · 1999