G02B 1/045
Light guides
Official title: {Light guides}
G02B1/045 (Light guides) appears on 630 US grants and 566 published applications in this corpus.
Search patents in G02B- Granted patents
- 630
- Published applications
- 566
- Assignees
- 353
- Inventors
- 1,645
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 9 | 0 |
| 1990 | 9 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 16 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 14 | 0 |
| 1997 | 15 | 0 |
| 1998 | 8 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 21 | 9 |
| 2002 | 11 | 11 |
| 2003 | 20 | 27 |
| 2004 | 12 | 29 |
| 2005 | 17 | 23 |
| 2006 | 19 | 16 |
| 2007 | 13 | 13 |
| 2008 | 10 | 11 |
| 2009 | 13 | 11 |
| 2010 | 9 | 13 |
| 2011 | 6 | 13 |
| 2012 | 5 | 10 |
| 2013 | 12 | 11 |
| 2014 | 13 | 28 |
| 2015 | 19 | 33 |
| 2016 | 25 | 52 |
| 2017 | 21 | 21 |
| 2018 | 43 | 41 |
| 2019 | 34 | 25 |
| 2020 | 36 | 36 |
| 2021 | 20 | 28 |
| 2022 | 29 | 20 |
| 2023 | 19 | 19 |
| 2024 | 18 | 31 |
| 2025 | 13 | 19 |
| 2026 | 9 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Waveguides having integrated spacers, waveguides having edge absorbers, and methods for making the same25 Aug 2026US 12,717,077 B2Magic Leap, Inc.
- Polymer aerogel optical waveguide7 Jul 2026US 12,674,982 B2Google Inc.
- Polysaccharide hydrogel optical fibers and their fabrication and use23 Jun 2026US 12,663,562 B2The Board of Trustees of the Leland Stanford Junior University
- Method for forming light wave-guide optical element9 Jun 2026US 12,649,292 B2Himax Technologies Limited
- Refractive index contrast polymers and methods for producing and using the same2 Jun 2026US 12,644,009 B2Arizona Board of Regents on Behalf of the University of Arizona
- Index-matched, bulk-scattering optical fibers for enhancing photosynthesis by photosynthetic microorganisms and to methods of preparing and using the same17 Sep 2026US 2026/0276865 A1Board of Trustees of Michigan State University
- Polymer optical fiber17 Sep 2026US 2026/0276866 A1Zeus Co., Ltd.
- Articles comprising polymer compositions having a certain combination of high light transmittance and high heat distortion temperature6 Aug 2026US 2026/0226229 A1Eastman Chemical Company
- Method for coating an optically reflective layer on a waveguide and screen printing device30 Jul 2026US 2026/0217599 A1
- Polysulfide resin, precursor, method for producing polysulfide resin, optical element, optical system, lens for infrared camera, and optical device9 Jul 2026US 2026/0194692 A1Nikon Corporation
Most cited
By later US patents
- Nanocomposites165US 7,068,898 B2Nanosys, Inc. · 2006
- Optical element with nanoparticles154US 7,046,439 B2Eastman Kodak Company · 2006
- Composition having improved optical qualities115US 4,511,209 AEnsign-Bickford Industries, Inc. · 1985
- Microstructured optical fibers and methods105US 7,450,806 B2Corning Incorporated · 2008
- Smart illuminated electrical switch with touch control105US 9,389,769 B12016