G02B 6/3522
The optical element enabling or impairing total internal reflection
Official title: {the optical element enabling or impairing total internal reflection (using evanescent coupling G02B6/3536)}
G02B6/3522 (The optical element enabling or impairing total internal reflection) appears on 115 US grants and 96 published applications in this corpus.
Search patents in G02B- Granted patents
- 115
- Published applications
- 96
- Assignees
- 74
- Inventors
- 237
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 10 | 15 |
| 2003 | 11 | 14 |
| 2004 | 14 | 8 |
| 2005 | 5 | 6 |
| 2006 | 4 | 6 |
| 2007 | 3 | 2 |
| 2008 | 5 | 3 |
| 2009 | 2 | 4 |
| 2010 | 3 | 6 |
| 2011 | 3 | 7 |
| 2012 | 7 | 4 |
| 2013 | 2 | 4 |
| 2014 | 3 | 1 |
| 2015 | 3 | 0 |
| 2016 | 0 | 2 |
| 2017 | 1 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 2 |
| 2020 | 0 | 3 |
| 2021 | 2 | 1 |
| 2022 | 3 | 4 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
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- Grating structures for color waveguides26 Aug 2025US 12,399,326 B2DigiLens Inc.
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- Waveguides incorporating transmissive and reflective gratings and related methods of manufacturing5 Sep 2023US 11,747,568 B2DigiLens Inc.
- Sub-wavelength structures for waveguide in-coupling8 Aug 2023US 11,719,887 B2Apple Inc.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing6 Nov 2025US 2025/0341679 A1DigiLens Inc.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing25 Jan 2024US 2024/0027689 A1DigiLens Inc.
- Sub-Wavelength Structures for Waveguide In-Coupling6 Oct 2022US 2022/0317380 A1Apple Inc.
- Grating Structures for Color Waveguides7 Jul 2022US 2022/0214503 A1DigiLens Inc.
- Waveguides Incorporating Transmissive and Reflective Gratings and Related Methods of Manufacturing31 Mar 2022US 2022/0099898 A1DigiLens Inc.
Most cited
By later US patents
- Micromechanical optical switch and flat panel display310US 5,771,321 AMassachusetts Institute of Technology · 1998
- Photonic MEMS and structures207US 7,110,158 B2Idc, LLC · 2006
- Optical device utilizing optical waveguides and mechanical light-switches177US 5,953,469 AXeotron Corporation · 1999
- Optical switch using bubbles146US 4,988,157 ABell Communications Research, Inc. · 1991
- Optical device utilizing optical waveguides and mechanical light-switches144US 6,650,822 B1Xeotion Corp. · 2003