G02B 6/0003
The light guides being doped with fluorescent agents
Official title: {the light guides being doped with fluorescent agents}
G02B6/0003 (The light guides being doped with fluorescent agents) appears on 413 US grants and 478 published applications in this corpus.
Search patents in G02B- Granted patents
- 413
- Published applications
- 478
- Assignees
- 232
- Inventors
- 897
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 3 | 5 |
| 2003 | 4 | 2 |
| 2004 | 3 | 3 |
| 2005 | 2 | 9 |
| 2006 | 2 | 7 |
| 2007 | 6 | 11 |
| 2008 | 4 | 5 |
| 2009 | 5 | 14 |
| 2010 | 7 | 11 |
| 2011 | 5 | 16 |
| 2012 | 11 | 14 |
| 2013 | 18 | 29 |
| 2014 | 15 | 32 |
| 2015 | 27 | 14 |
| 2016 | 15 | 49 |
| 2017 | 30 | 44 |
| 2018 | 49 | 49 |
| 2019 | 42 | 25 |
| 2020 | 36 | 39 |
| 2021 | 27 | 25 |
| 2022 | 24 | 24 |
| 2023 | 13 | 15 |
| 2024 | 20 | 18 |
| 2025 | 14 | 14 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Method of making waveguide illumination panels with alternating density extraction patterns for image display22 Sep 2026US 12,742,921 B2S.V.V. Technology Innovations, Inc.
- Thin and flexible edge-lit waveguide illumination systems with complex surface topologies and light converting properties18 Aug 2026US 12,710,581 B2S.V.V. Technology Innovations, Inc.
- Optical fiber light source with composite overcoating structure7 Jul 2026US 12,674,926 B2L.E.S.S. Ltd
- Light-guide sunroof assembly19 May 2026US 12,631,816 B2Enflex, Inc.
- Light source apparatus and projector17 Sep 2026US 2026/0277090 A1Seiko Epson Corporation
- Thermoplastic interlayers and films containing luminescent materials, and systems and methods for the same16 Apr 2026US 2026/0102989 A1
- Nanoparticle coater19 Mar 2026US 2026/0078048 A1Vitro Flat Glass LLC
- Fdm printed item with dopant material20 Nov 2025US 2025/0353250 A1Signify Holding B. V.
- Composite phosphor ceramic optical fiber with high luminous efficiency and high color rendering index, and preparation method therefor30 Oct 2025US 2025/0334731 A1Jiangsu Normal University
Most cited
By later US patents
- Vehicle lighting having remote light source298US 5,709,453 A1998
- Head lamp assembly and accent lighting therefor159US 8,066,416 B2Federal-Mogul Ignition Company · 2011
- Fibre optic waveguide illuminating elements136US 4,961,617 A1990
- Phosphor based illumination system having a light guide and an interference reflector93US 7,255,469 B23M Innovative Properties Company · 2007
- Lighting fixtures90US 5,640,792 ANational Service Industries, Inc. · 1997