G02F 1/335
Having an optical waveguide structure
Official title: having an optical waveguide structure
G02F1/335 (Having an optical waveguide structure) appears on 141 US grants and 76 published applications in this corpus.
Search patents in G02F- Granted patents
- 141
- Published applications
- 76
- Assignees
- 80
- Inventors
- 272
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 1 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 14 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 3 |
| 2003 | 1 | 0 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 0 |
| 2007 | 2 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 0 |
| 2015 | 2 | 4 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 4 | 9 |
| 2019 | 5 | 12 |
| 2020 | 7 | 8 |
| 2021 | 8 | 6 |
| 2022 | 6 | 2 |
| 2023 | 5 | 8 |
| 2024 | 2 | 4 |
| 2025 | 2 | 3 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical modulator and image projector based on leaky-mode waveguide with spatial multiplexing28 Apr 2026US 12,613,446 B2Meta Platforms Technologies, LLC
- Directional illuminator and display apparatus with switchable diffuser24 Feb 2026US 12,560,806 B2Meta Platforms Technologies, LLC
- Eye tracking with switchable gratings14 Oct 2025US 12,443,032 B2Meta Platforms Technologies, LLC
- Homodyne time-domain acousto-optic imaging for low-gain photodetectors3 Jun 2025US 12,320,694 B2Nrc Soreq
- Thin film acousto-optic device and methods of fabrication7 May 2024US 11,977,316 B1IntraAction Corp.
- An integrated device and a method for diffracting a light signal, and a method for manufacturing an integrated device8 Oct 2026US 2026/0310042 A1Imec Vzw
- Directional illuminator and display apparatus with switchable diffuser17 Sep 2026US 2026/0276984 A1Meta Platforms Technologies, LLC
- Acousto-optic mode switching in multicore optical fiber28 May 2026US 2026/0147252 A1Corning Incorporated
- Optical modulation via brillouin scattering in a piezoelectric waveguide18 Dec 2025US 2025/0383578 A1QUALCOMM Incorporated
- Acoustically controlled laser system1 May 2025US 2025/0138242 A1nLIGHT, Inc.
Most cited
By later US patents
- Frequency selective interwaveguide coupler260US 4,026,632 ACanadian Patents and Development Limited · 1977
- Optical modulation apparatus and measurement method198US 5,091,983 A1992
- Optical device87US 5,915,050 AUniversity of Southampton · 1999
- Optical interconnecting device and method80US 5,165,104 AOptivideo Corporation · 1992
- Acousto-optic modulator for optical fibers using Hertzian contact with a grooved transducer substrate71US 4,991,923 AThe Board of Trustees of the Leland Stanford Junior University · 1991