G09F 2013/1831
Using more than one light source
Official title: {using more than one light source}
G09F2013/1831 (Using more than one light source) appears on 58 US grants and 42 published applications in this corpus.
Search patents in G09F- Granted patents
- 58
- Published applications
- 42
- Assignees
- 43
- Inventors
- 137
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 7 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 4 |
| 2013 | 3 | 7 |
| 2014 | 4 | 5 |
| 2015 | 3 | 6 |
| 2016 | 4 | 2 |
| 2017 | 4 | 3 |
| 2018 | 1 | 1 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 3 |
| 2022 | 1 | 2 |
| 2023 | 0 | 2 |
| 2024 | 1 | 0 |
| 2025 | 2 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- LED light panel2 Jun 2026US D1,128,971 S1Smartrend Manufacturing Group (Smg), Inc. · Design
- Illuminated signs for vehicles, mounting systems therefor and related methods9 Dec 2025US 12,494,142 B2Smartrend Manufacturing Group (Smg), Inc.
- Illuminated address sign assembly with integrated security features26 Aug 2025US 12,400,172 B2
- Light guide member, lighting device, and display device16 Jul 2024US 12,038,595 B2OMRON Corporation
- Illuminated signs for vehicles, mounting systems therefor and related methods31 May 2022US 11,348,491 B2Smartrend Manufacturing Group (Smg), Inc.
- Assembly for illuminating a decorative member, and motor vehicle having assembly2 Jul 2026US 2026/0186194 A1Mercedes-Benz Group AG
- Light guide member, lighting device, and display device20 Apr 2023US 2023/0117548 A1OMRON Corporation
- Vehicular information display system and information display system6 Apr 2023US 2023/0108540 A1Maxell, Ltd.
- Illuminated signs for vehicles, mounting systems therefor and related methods6 Oct 2022US 2022/0319361 A1Smartrend Manufacturing Group (Smg), Inc.
- Lighting apparatus28 Jul 2022US 2022/0235927 A1Xiamen Leedarson Lighting Co., Ltd
Most cited
By later US patents
- Vehicle rearview mirror assembly386US 4,948,242 ADonnelly Mirrors, Inc. · 1990
- Lighting unit351US 5,375,043 AInoue Denki Co., Inc. · 1994
- Lighting device349US 5,655,830 AGeneral Signal Corporation · 1997
- Surface light source panel192US 4,985,809 AMatsushita Electric Industrial Co., Ltd. · 1991
- Lighting device used in an exit sign162US 5,410,453 AGeneral Signal Corporation · 1995