G02F 1/377
In an optical waveguide structure
Official title: in an optical waveguide structure
G02F1/377 (In an optical waveguide structure) appears on 564 US grants and 338 published applications in this corpus.
Search patents in G02F- Granted patents
- 564
- Published applications
- 338
- Assignees
- 228
- Inventors
- 983
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 12 | 0 |
| 1990 | 27 | 0 |
| 1991 | 33 | 0 |
| 1992 | 36 | 0 |
| 1993 | 31 | 0 |
| 1994 | 35 | 0 |
| 1995 | 18 | 0 |
| 1996 | 21 | 0 |
| 1997 | 9 | 0 |
| 1998 | 17 | 0 |
| 1999 | 16 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 9 |
| 2002 | 6 | 17 |
| 2003 | 11 | 9 |
| 2004 | 22 | 15 |
| 2005 | 14 | 7 |
| 2006 | 10 | 15 |
| 2007 | 10 | 11 |
| 2008 | 15 | 20 |
| 2009 | 9 | 23 |
| 2010 | 21 | 27 |
| 2011 | 16 | 21 |
| 2012 | 18 | 16 |
| 2013 | 15 | 9 |
| 2014 | 15 | 9 |
| 2015 | 9 | 9 |
| 2016 | 10 | 8 |
| 2017 | 8 | 8 |
| 2018 | 5 | 7 |
| 2019 | 7 | 9 |
| 2020 | 8 | 6 |
| 2021 | 7 | 11 |
| 2022 | 7 | 21 |
| 2023 | 17 | 12 |
| 2024 | 8 | 18 |
| 2025 | 7 | 12 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and methods of visible light swept-source optical coherence tomography1 Sep 2026US 12,724,319 B2Northwestern University
- Widely tunable frequency doubled light source1 Sep 2026US 12,724,320 B1Thorlabs, Inc.
- Third-harmonic frequency generator and generation method25 Aug 2026US 12,717,209 B2Cornell University
- Apparatus and method for optical frequency conversion25 Aug 2026US 12,717,210 B2Honeywell International Inc.
- Active optical resonator for frequency conversion28 Oct 2025US 12,455,493 B2Universite Libre de Bruxelles
- Apparatus and method for optical frequency conversion1 Oct 2026US 2026/0299371 A1Honeywell International Inc.
- Displacement sensing10 Sep 2026US 2026/0266594 A1UNM Rainforest Innovations
- Optical parametric amplifier10 Sep 2026US 2026/0267199 A1NTT, Inc.
- Waveguide device6 Aug 2026US 2026/0227653 A1NGK Insulators, Ltd.
- Optical transmission system, phase conjugate converter and phase sensitive amplifier2 Jul 2026US 2026/0189305 A1NTT, Inc.
Most cited
By later US patents
- Display panel with electrically-controlled waveguide-routing299US 5,544,268 ADeacon Research · 1996
- Display panel with electrically-controlled waveguide-routing291US 6,522,794 B1Gemfire Corporation · 2003
- Bi-domain two-mode single crystal fiber devices261US 5,082,349 AThe Board of Trustees of the Leland Stanford Junior University · 1992
- Multiwavelength solid state laser using frequency conversion techniques234US 5,144,630 AJTT International, Inc. · 1992
- Scanning method and architecture for display194US 6,167,169 AGemfire Corporation · 2000