G02F 1/315
Based on the use of controlled internal reflection
Official title: based on the use of controlled internal reflection
G02F1/315 (Based on the use of controlled internal reflection) appears on 152 US grants and 91 published applications in this corpus.
Search patents in G02F- Granted patents
- 152
- Published applications
- 91
- Assignees
- 81
- Inventors
- 263
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 6 | 0 |
| 1986 | 0 | 0 |
| 1987 | 6 | 0 |
| 1988 | 6 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 1 | 0 |
| 2001 | 10 | 1 |
| 2002 | 4 | 9 |
| 2003 | 4 | 7 |
| 2004 | 6 | 5 |
| 2005 | 8 | 1 |
| 2006 | 7 | 8 |
| 2007 | 2 | 2 |
| 2008 | 4 | 0 |
| 2009 | 2 | 2 |
| 2010 | 1 | 1 |
| 2011 | 1 | 6 |
| 2012 | 2 | 2 |
| 2013 | 4 | 3 |
| 2014 | 3 | 4 |
| 2015 | 2 | 3 |
| 2016 | 1 | 2 |
| 2017 | 3 | 4 |
| 2018 | 0 | 4 |
| 2019 | 5 | 10 |
| 2020 | 3 | 5 |
| 2021 | 4 | 2 |
| 2022 | 2 | 3 |
| 2023 | 4 | 2 |
| 2024 | 0 | 1 |
| 2025 | 0 | 4 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical switch and switching method8 Sep 2026US 12,730,352 B2Fujikura Ltd.
- Displaying images on total internal reflective displays24 Mar 2026US 12,585,162 B2Wuxi Clearink Limited
- Optical aperture multipliers having a rectangular waveguide24 Oct 2023US 11,796,729 B2Lumus Ltd.
- Diffractive waveguide providing structured illumination for object detection5 Sep 2023US 11,747,719 B2DigiLens Inc.
- Devices and methods for polarization splitting22 Aug 2023US 11,733,460 B2Teknologian tutkimuskeskus VTT Oy
- Frequency stabilization circuit, frequency stabilization method, and optical comb generator14 Aug 2025US 2025/0260210 A1Advantest Corporation
- Optical switch and switching method8 May 2025US 2025/0147380 A1Fujikura Ltd.
- Articles and methods for generating tunable coloration and interference upon reflection of incident electromagnetic radiation27 Mar 2025US 2025/0102716 A1The Penn State Research Foundation
- Optical switch and switching method20 Mar 2025US 2025/0093737 A1Fujikura Ltd.
- Programmable waveguide devices and methods1 Aug 2024US 2024/0255788 A1Arizona Board of Regents on Behalf of the University of Arizona
Most cited
By later US patents
- Light modulation by frustration of total internal reflection261US 6,819,471 B2E Ink Corporation · 2004
- Electrophoretic, high index and phase transition control of total internal reflection in high efficiency variable reflectivity image displays164US 6,215,920 B1The University of British Columbia · 2001
- Electrophoretic display devices150US 4,218,302 AU. S. Philips Corporation · 1980
- Electro-optical switch for unpolarized optical signals129US 4,516,837 ASperry Corporation · 1985
- Passive high efficiency variable reflectivity image display device124US 5,959,777 AThe University of British Columbia · 1999