F21V 7/30
The coatings comprising photoluminescent substances
Official title: the coatings comprising photoluminescent substances
F21V7/30 (The coatings comprising photoluminescent substances) appears on 204 US grants and 241 published applications in this corpus.
Search patents in F21V- Granted patents
- 204
- Published applications
- 241
- Assignees
- 113
- Inventors
- 430
- Latest grant
- 14 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 3 |
| 2009 | 0 | 4 |
| 2010 | 2 | 11 |
| 2011 | 5 | 18 |
| 2012 | 9 | 12 |
| 2013 | 19 | 31 |
| 2014 | 17 | 14 |
| 2015 | 16 | 19 |
| 2016 | 15 | 17 |
| 2017 | 13 | 19 |
| 2018 | 10 | 10 |
| 2019 | 22 | 17 |
| 2020 | 18 | 18 |
| 2021 | 14 | 17 |
| 2022 | 13 | 4 |
| 2023 | 4 | 10 |
| 2024 | 8 | 4 |
| 2025 | 4 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Indirect lighting system and method of use14 Apr 2026US 12,601,460 B2Flex-N-Gate Advanced Product Development, LLC
- Light source apparatus and projector20 Jan 2026US 12,529,947 B2Sony Group Corporation
- Light source device6 Jan 2026US 12,517,313 B2Nichia Corporation
- Light source unit for vehicular lighting tool and vehicular lighting tool28 Oct 2025US 12,455,059 B2Ichikoh Industries, Ltd.
- Lighting system6 May 2025US 12,292,166 B2Panasonic Intellectual Property Management Co., Ltd.
- Light source apparatus and projection-type image display apparatus20 Aug 2026US 2026/0244086 A1Panasonic Projector & Display Corporation
- Laser light combining apparatus and light source30 Apr 2026US 2026/0117954 A1YLX Incorporated
- Light source device and projection-type video display device29 Jan 2026US 2026/0029701 A1Panasonic Projector & Display Corporation
- Wavelength conversion device and illumination device11 Dec 2025US 2025/0377088 A1Kyoto University
- Lamp component and lamp device17 Jul 2025US 2025/0230919 A1Savant Technologies LLC
Most cited
By later US patents
- Illumination delivery system for generating sustained secondary emission208US 8,664,624 B2Performance Indicator, LLC · 2014
- Optical system using LED coupled with phosphor-doped reflective materials206US 7,144,131 B2Advanced Optical Technologies, LLC · 2006
- Low-profile luminaire having a reflector for mixing light from a multi-color linear array of LEDs152US 6,257,737 B12001
- Device of white light-emitting diode138US 6,841,804 B1Formosa Epitaxy Incorporation · 2005
- Colored lamp119US 4,382,272 ASiemens Aktiengesellschaft · 1983