F21S 43/249
With two or more light sources being coupled into the light guide
Official title: with two or more light sources being coupled into the light guide
F21S43/249 (With two or more light sources being coupled into the light guide) appears on 587 US grants and 660 published applications in this corpus.
Search patents in F21S- Granted patents
- 587
- Published applications
- 660
- Assignees
- 205
- Inventors
- 1,151
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 3 |
| 2002 | 6 | 5 |
| 2003 | 7 | 6 |
| 2004 | 6 | 3 |
| 2005 | 3 | 10 |
| 2006 | 6 | 10 |
| 2007 | 3 | 9 |
| 2008 | 11 | 15 |
| 2009 | 3 | 9 |
| 2010 | 9 | 11 |
| 2011 | 7 | 8 |
| 2012 | 4 | 18 |
| 2013 | 7 | 18 |
| 2014 | 16 | 33 |
| 2015 | 14 | 42 |
| 2016 | 24 | 52 |
| 2017 | 46 | 49 |
| 2018 | 53 | 34 |
| 2019 | 60 | 54 |
| 2020 | 47 | 40 |
| 2021 | 41 | 31 |
| 2022 | 45 | 40 |
| 2023 | 38 | 38 |
| 2024 | 40 | 43 |
| 2025 | 47 | 43 |
| 2026 | 27 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle lamp29 Sep 2026US 12,747,844 B2Stanley Electric Co., Ltd.
- Vehicle lamp8 Sep 2026US 12,729,823 B2Stanley Electric Co., Ltd.
- Vehicle lamp8 Sep 2026US 12,729,824 B2Nichia Corporation
- Lighting device1 Sep 2026US 12,723,727 B2LG Innotek Co., Ltd.
- Lamp for vehicle25 Aug 2026US 12,716,563 B2Hyundai Mobis Co., Ltd.
- Vehicle lamp and light guide body8 Oct 2026US 2026/0309298 A1Stanley Electric Co., Ltd.
- Arrangement of optical components for a lighting device for a motor vehicle and a lighting device for the tail section of a motor vehicle1 Oct 2026US 2026/0298435 A1Hella GmbH & Co. KGaA
- Lighting device for vehicles17 Sep 2026US 2026/0276168 A1Hella GmbH & Co. KGaA
- Vehicle lamp17 Sep 2026US 2026/0276169 A1Nichia Corporation
- Lighting device for a motor vehicle27 Aug 2026US 2026/0251279 A1Hella GmbH & Co. KGaA
Most cited
By later US patents
- Illuminating device487US 5,136,483 A1992
- Collimating lamp244US 6,527,411 B1Visteon Corporation · 2003
- Exterior rearview mirror for vehicles, preferably motor vehicles222US 6,139,171 AReitter & Schefenacker GmbH & Co. KG · 2000
- Linear light source202US 4,941,072 ASanyo Electric Co., Ltd. · 1990
- Bireflective lens element169US 6,097,549 ABreault Research Organization, Inc. · 2000