G02F 1/0134
In optical waveguides
Official title: {in optical waveguides}
G02F1/0134 (In optical waveguides) appears on 233 US grants and 118 published applications in this corpus.
Search patents in G02F- Granted patents
- 233
- Published applications
- 118
- Assignees
- 127
- Inventors
- 481
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 7 | 0 |
| 1988 | 18 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 6 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 10 | 6 |
| 2002 | 9 | 13 |
| 2003 | 12 | 5 |
| 2004 | 11 | 6 |
| 2005 | 8 | 5 |
| 2006 | 8 | 12 |
| 2007 | 6 | 3 |
| 2008 | 3 | 2 |
| 2009 | 2 | 4 |
| 2010 | 5 | 4 |
| 2011 | 3 | 0 |
| 2012 | 3 | 2 |
| 2013 | 3 | 6 |
| 2014 | 4 | 3 |
| 2015 | 3 | 2 |
| 2016 | 3 | 4 |
| 2017 | 5 | 7 |
| 2018 | 4 | 3 |
| 2019 | 4 | 8 |
| 2020 | 7 | 3 |
| 2021 | 4 | 5 |
| 2022 | 2 | 2 |
| 2023 | 4 | 4 |
| 2024 | 2 | 5 |
| 2025 | 6 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Compact piezoelectric photonic crystal modulator23 Jun 2026US 12,663,664 B2Massachusetts Institute of Technology
- Broadband controllable optical phase shifters19 May 2026US 12,631,827 B2Apple Inc.
- Fiber-based optical modulator27 Jan 2026US 12,537,359 B2nLIGHT, Inc.
- Composite optical phase controller for operatively coupled thermal-based and stress-based phase tuning of a surface waveguide23 Dec 2025US 12,504,651 B2LioniX International BV
- Acousto-optic modulators enhanced by sub-wavelength acoustic waveguide9 Dec 2025US 12,493,205 B1Ningxia University
- Integrated optical structure and method of fabricating an integrated optical structure2 Oct 2025US 2025/0306409 A1Imec Vzw
- Tunable-gap integrated photonic circuits3 Apr 2025US 2025/0110279 A1The MITRE Corporation
- Integrated-Optics Waveguide Having High-Stress-Sensitivity Region13 Feb 2025US 2025/0053060 A1LioniX International BV
- Stress-Optic Phase Controller Having Enhanced Stress-Inducing Capability16 Jan 2025US 2025/0020949 A1LioniX International BV
- Integrated-Optics-Based Composite Phase Controller Operative for Thermal-Based and Stress-Based Phase Tuning of a Surface Waveguide24 Oct 2024US 2024/0353695 A1LioniX International BV
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
- Optical modulation apparatus and measurement method198US 5,091,983 A1992
- Incorporated Bragg filter temperature compensated optical waveguide device179US 5,042,898 AUnited Technologies Corporation · 1991
- Optical fiber interferometer with PZT scanning of interferometer arm optical length174US 5,867,268 AOptical Coherence Technologies, Inc. · 1999
- Variable coupler fiberoptic sensor143US 4,634,858 ASperry Corporation · 1987