F21V 3/0625
The material diffusing light
Official title: {the material diffusing light, e.g. translucent plastics}
F21V3/0625 (The material diffusing light) appears on 304 US grants and 358 published applications in this corpus.
Search patents in F21V- Granted patents
- 304
- Published applications
- 358
- Assignees
- 190
- Inventors
- 703
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 4 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 4 |
| 2011 | 1 | 7 |
| 2012 | 2 | 18 |
| 2013 | 10 | 25 |
| 2014 | 16 | 29 |
| 2015 | 15 | 15 |
| 2016 | 17 | 48 |
| 2017 | 28 | 38 |
| 2018 | 35 | 29 |
| 2019 | 39 | 30 |
| 2020 | 29 | 27 |
| 2021 | 24 | 19 |
| 2022 | 22 | 9 |
| 2023 | 17 | 14 |
| 2024 | 18 | 14 |
| 2025 | 15 | 12 |
| 2026 | 11 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Light diffuser6 Oct 2026US 12,753,903 B2Signify Holding B. V.
- Light emitting module6 Oct 2026US 12,754,456 B2Nichia Corporation
- Flexible lighting device15 Sep 2026US 12,736,192 B2
- Progressive frost in a luminaire8 Sep 2026US 12,729,831 B2Robe Lighting s.r.o.
- Modular LED lighting devices and systems with oblique edge diffusion panel18 Aug 2026US 12,710,146 B2
- Sealed assembly and manufacturing process3 Sep 2026US 2026/0258938 A1Signify Holding B. V.
- A light diffuser30 Jul 2026US 2026/0218877 A1Signify Holding B. V.
- Optoelectronic device of the led (light emitting diode) type and production method of said led23 Jul 2026US 2026/0210506 A1Ledworks Srl
- Modular led lighting devices and systems with oblique edge diffusion panel16 Jul 2026US 2026/0202023 A1
- Lighting device25 Jun 2026US 2026/0174918 A1Seoul Viosys Co., Ltd.
Most cited
By later US patents
- Lighting units429US 5,890,794 A1999
- Simulated neon light using led's250US 6,361,186 B1Lektron Industrial Supply, Inc. · 2002
- LED lighting luminaire having heat dissipating canister housing101US 8,408,759 B12013
- Composite lens with diffusion65US 8,573,816 B2Cree, Inc. · 2013
- Multi-purpose lightbulb62US 9,784,417 B1Astro Corp. · 2017