G02F 1/125
In an optical waveguide structure
Official title: in an optical waveguide structure
G02F1/125 (In an optical waveguide structure) appears on 195 US grants and 125 published applications in this corpus.
Search patents in G02F- Granted patents
- 195
- Published applications
- 125
- Assignees
- 113
- Inventors
- 378
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 6 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 9 | 0 |
| 1999 | 4 | 0 |
| 2000 | 6 | 0 |
| 2001 | 11 | 9 |
| 2002 | 7 | 8 |
| 2003 | 14 | 8 |
| 2004 | 8 | 2 |
| 2005 | 9 | 7 |
| 2006 | 5 | 3 |
| 2007 | 8 | 5 |
| 2008 | 6 | 4 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 2 |
| 2013 | 2 | 2 |
| 2014 | 1 | 2 |
| 2015 | 2 | 1 |
| 2016 | 3 | 6 |
| 2017 | 4 | 3 |
| 2018 | 3 | 16 |
| 2019 | 11 | 7 |
| 2020 | 11 | 10 |
| 2021 | 7 | 6 |
| 2022 | 6 | 5 |
| 2023 | 5 | 3 |
| 2024 | 4 | 3 |
| 2025 | 5 | 6 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Acousto-optic modulators enhanced by sub-wavelength acoustic waveguide9 Dec 2025US 12,493,205 B1Ningxia University
- Ultraviolet and visible light integrated acousto-optic modulators16 Sep 2025US 12,416,824 B1National Technology & Engineering Solutions of Sandia, LLC
- Homodyne time-domain acousto-optic imaging for low-gain photodetectors3 Jun 2025US 12,320,694 B2Nrc Soreq
- Traveling-wave acousto-optic modulator on thin silicon nitride1 Oct 2026US 2026/0299335 A1Anello Photonics, Inc.
- Acoustic resonator, modulator, and acousto-optic modulator20 Aug 2026US 2026/0244042 A1Nippon Telegraph and Telephone Corporation
- Photoacoustic devices and methods of manufacture thereof23 Jul 2026US 2026/0210912 A1
- Fiberized acousto-optic device for shifting a frequency of light2 Jul 2026US 2026/0186330 A1Foundation for Research and Technology Hellas
- Optical intensity modulation apparatus and laser systems2 Jul 2026US 2026/0189306 A1Nkt Photonics A/S
Most cited
By later US patents
- Variable optical fiber Bragg filter arrangement226US 5,007,705 AUnited Technologies Corporation · 1991
- Optical device87US 5,915,050 AUniversity of Southampton · 1999
- Acoustooptic modulator for optical fiber waveguides55US 4,068,191 AGTE Laboratories Incorporated · 1978
- Integrated acousto-optic filters and switches54US 5,002,349 ABell Communications Research, Inc. · 1991
- All-optical wavelength converter51US 5,434,700 ABell Communications Research, Inc. · 1995