G02F 1/0131
Based on photo-elastic effects
Official title: {based on photo-elastic effects, e.g. mechanically induced birefringence}
G02F1/0131 (Based on photo-elastic effects) appears on 342 US grants and 196 published applications in this corpus.
Search patents in G02F- Granted patents
- 342
- Published applications
- 196
- Assignees
- 179
- Inventors
- 698
- Latest grant
- 23 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 6 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 1 | 0 |
| 1987 | 9 | 0 |
| 1988 | 19 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 8 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 6 |
| 2002 | 9 | 14 |
| 2003 | 13 | 6 |
| 2004 | 13 | 7 |
| 2005 | 12 | 7 |
| 2006 | 8 | 13 |
| 2007 | 7 | 3 |
| 2008 | 4 | 4 |
| 2009 | 3 | 7 |
| 2010 | 8 | 5 |
| 2011 | 4 | 4 |
| 2012 | 5 | 2 |
| 2013 | 6 | 11 |
| 2014 | 5 | 7 |
| 2015 | 10 | 8 |
| 2016 | 7 | 16 |
| 2017 | 10 | 14 |
| 2018 | 10 | 8 |
| 2019 | 10 | 11 |
| 2020 | 10 | 12 |
| 2021 | 14 | 8 |
| 2022 | 12 | 4 |
| 2023 | 6 | 6 |
| 2024 | 6 | 7 |
| 2025 | 7 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Method and apparatus for measuring spin-orbit torque30 Dec 2025US 12,510,608 B2Samsung Electronics Co., Ltd.
- 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
- Method and apparatus for measuring spin-orbit torque26 Mar 2026US 2026/0086174 A1Samsung Electronics Co., Ltd.
- 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
- Selective attenuation of light provided to detector in lidar sensor based on signal intensity27 Mar 2025US 2025/0102648 A1Honeywell International Inc.
- Integrated-Optics Waveguide Having High-Stress-Sensitivity Region13 Feb 2025US 2025/0053060 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
- Liquid crystalline light modulating device and material273US 5,437,811 AKent State University · 1995
- Optical display245US 5,319,491 AContinental Typographics, Inc. · 1994
- Variable optical fiber Bragg filter arrangement226US 5,007,705 AUnited Technologies Corporation · 1991
- Liquid crystalline light modulating device and material203US 5,695,682 AKent State University · 1997