F21S 41/32
Optical layout thereof
F21S41/32 (Optical layout thereof) appears on 2,427 US grants and 2,306 published applications in this corpus.
Search patents in F21S- Granted patents
- 2,427
- Published applications
- 2,306
- Assignees
- 418
- Inventors
- 2,823
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 11 | 0 |
| 1986 | 10 | 0 |
| 1987 | 15 | 0 |
| 1988 | 15 | 0 |
| 1989 | 18 | 0 |
| 1990 | 24 | 0 |
| 1991 | 20 | 0 |
| 1992 | 14 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 21 | 0 |
| 1996 | 15 | 0 |
| 1997 | 18 | 0 |
| 1998 | 14 | 0 |
| 1999 | 29 | 0 |
| 2000 | 27 | 0 |
| 2001 | 13 | 19 |
| 2002 | 28 | 28 |
| 2003 | 32 | 34 |
| 2004 | 26 | 34 |
| 2005 | 22 | 54 |
| 2006 | 47 | 50 |
| 2007 | 40 | 49 |
| 2008 | 38 | 36 |
| 2009 | 31 | 42 |
| 2010 | 34 | 41 |
| 2011 | 26 | 40 |
| 2012 | 28 | 52 |
| 2013 | 49 | 77 |
| 2014 | 59 | 90 |
| 2015 | 72 | 141 |
| 2016 | 96 | 137 |
| 2017 | 126 | 201 |
| 2018 | 166 | 180 |
| 2019 | 254 | 179 |
| 2020 | 196 | 143 |
| 2021 | 139 | 130 |
| 2022 | 148 | 154 |
| 2023 | 143 | 112 |
| 2024 | 131 | 130 |
| 2025 | 126 | 89 |
| 2026 | 59 | 64 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F21S 41/321The reflector being a surface of revolution or a planar surface988
- F21S 41/36Combinations of two or more separate reflectors908
- F21S 41/33Multi-surface reflectors871
- F21S 41/322The reflector using total internal reflection490
- F21S 41/323The reflector having two perpendicular cross sections having regular geometrical curves of187
Recent patents
- Vehicle lamp fitting6 Oct 2026US 12,753,893 B2Stanley Electric Co., Ltd.
- Vehicle lamp6 Oct 2026US 12,753,896 B2SL Corporation
- Light module and lighting device for a motor vehicle6 Oct 2026US 12,753,897 B2Hella Saturnus Slovenija d.o.o.
- Vehicle lamp having main and sub light sources, and corresponding lens portions22 Sep 2026US 12,742,530 B2SL Corporation
- Motor-vehicle lighting module that produces a cutoff with a reflector the surface of which is partially grained22 Sep 2026US 12,742,531 B2Valeo Vision
- Vehicle lamp24 Sep 2026US 2026/0287138 A1Koito Manufacturing Co., Ltd.
- Light guide component, lighting or signal indication device and motor vehcile17 Sep 2026US 2026/0276163 A1Valeo Vision
- Vehicle lamp illumination module and vehicle lamp17 Sep 2026US 2026/0276165 A1Hasco Vision Technology Co., Ltd.
- Vehicle lamp10 Sep 2026US 2026/0266997 A1Stanley Electric Co., Ltd.
- Saddled vehicle3 Sep 2026US 2026/0257742 A1Honda Motor Co., Ltd.
Most cited
By later US patents
- Illuminator assembly incorporating light emitting diodes881US 5,803,579 AGentex Corporation · 1998
- Led assembly631US 6,132,072 AGentex Corporation · 2000
- Optical manifold for light-emitting diodes187US 7,286,296 B2Light Prescriptions Innovators, LLC · 2007
- Led assembly181US 6,523,976 B1Gentex Corporation · 2003
- Bireflective lens element169US 6,097,549 ABreault Research Organization, Inc. · 2000