G02B 6/2726
In or on light guides
Official title: {in or on light guides, e.g. polarisation means assembled in a light guide}
G02B6/2726 (In or on light guides) appears on 409 US grants and 366 published applications in this corpus.
Search patents in G02B- Granted patents
- 409
- Published applications
- 366
- Assignees
- 255
- Inventors
- 834
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 8 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 1 | 0 |
| 2001 | 13 | 4 |
| 2002 | 14 | 18 |
| 2003 | 23 | 26 |
| 2004 | 18 | 17 |
| 2005 | 11 | 16 |
| 2006 | 14 | 15 |
| 2007 | 20 | 7 |
| 2008 | 10 | 7 |
| 2009 | 6 | 8 |
| 2010 | 8 | 9 |
| 2011 | 5 | 7 |
| 2012 | 6 | 8 |
| 2013 | 10 | 14 |
| 2014 | 9 | 12 |
| 2015 | 13 | 7 |
| 2016 | 16 | 24 |
| 2017 | 19 | 22 |
| 2018 | 17 | 22 |
| 2019 | 23 | 19 |
| 2020 | 25 | 17 |
| 2021 | 25 | 20 |
| 2022 | 13 | 16 |
| 2023 | 11 | 15 |
| 2024 | 12 | 18 |
| 2025 | 9 | 11 |
| 2026 | 7 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Optical sensor chip and optical sensing system25 Aug 2026US 12,717,082 B2Silith Technology Pte. Ltd.
- Optical coupling and mode-selective separation or superposition of optical fields25 Aug 2026US 12,717,086 B2Karlsruher Institut für Technologie
- Optical isolator based on volume Bragg gratings18 Aug 2026US 12,710,578 B2University of Central Florida Foundation, Inc.
- Integrated photonic 2×3 coupler28 Jul 2026US 12,693,475 B2Cisco Technology, Inc.
- Heterogeneously integrated photonic platform supporting large effective mode area waveguides and thermally optimized active components16 Jun 2026US 12,656,553 B2Nexus Photonics LLC
- Integrated photonic 2x3 coupler1 Oct 2026US 2026/0299208 A1Cisco Technology, Inc.
- Polarization beam splitter rotator16 Jul 2026US 2026/0202613 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Depolarization integrated optical chip module and manufacturing method thereof25 Jun 2026US 2026/0177747 A1CoreTech Optical, Inc.
- Foundry-fabricated sources of broadband entanglement14 May 2026US 2026/0133467 A1
- Light guide device and near-eye display7 May 2026US 2026/0126653 A1Coretronic Corporation
Most cited
By later US patents
- Apparatus using two-mode optical waveguide with non-circular core294US 4,915,468 AThe Board of Trustees of the Leland Stanford Junior University · 1990
- Broadband light source system and method and light source combiner281US 6,570,659 B2LightLab Imaging, Inc. · 2003
- Method and system for generating a broadband spectral continuum and continuous wave-generating system utilizing same167US 6,381,391 B1The Regents of the University of Michigan · 2002
- Probe head and apparatus for intraoral confocal imaging using polarization-retarding coatings162US 9,693,839 B2Align Technology, Inc. · 2017
- Multiple waveguide imaging structure135US 8,989,535 B2Microsoft Technology Licensing, LLC · 2015