G02F 2203/04
Wavelength independent
Official title: wavelength independent
G02F2203/04 (Wavelength independent) appears on 133 US grants and 130 published applications in this corpus.
Search patents in G02F- Granted patents
- 133
- Published applications
- 130
- Assignees
- 93
- Inventors
- 300
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 4 |
| 2007 | 0 | 5 |
| 2008 | 1 | 3 |
| 2009 | 5 | 7 |
| 2010 | 7 | 5 |
| 2011 | 4 | 3 |
| 2012 | 5 | 6 |
| 2013 | 3 | 2 |
| 2014 | 3 | 3 |
| 2015 | 4 | 6 |
| 2016 | 7 | 9 |
| 2017 | 8 | 26 |
| 2018 | 16 | 11 |
| 2019 | 18 | 6 |
| 2020 | 12 | 8 |
| 2021 | 4 | 4 |
| 2022 | 2 | 3 |
| 2023 | 3 | 5 |
| 2024 | 3 | 4 |
| 2025 | 2 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Electrochromic bi-layered devices for dynamic light throughput control and a process for the preparation thereof17 Mar 2026US 12,578,608 B2Council of Scientific and Industrial Research
- Projector using a plurality of liquid crystal polarization gratings to modulate light6 Jan 2026US 12,517,408 B2The United States of America as represented by the Secretary of the Air Force
- Tunable optical metasurfaces based on slot mode resonances26 Aug 2025US 12,399,415 B2California Institute of Technology
- Liquid crystal display device29 Jul 2025US 12,372,840 B2Japan Display Inc.
- Broadband faraday rotator23 Jul 2024US 12,044,906 B2Soreq Nuclear Research Center
- Liquid crystal display device30 Oct 2025US 2025/0334841 A1Magnolia White Corporation
- Display device11 Jul 2024US 2024/0231155 A9Tcl China Star Optoelectronics Technology Co., Ltd.
- Projection using liquid crystal polarization gratings to modulate light4 Jul 2024US 2024/0219794 A1Government of the United States as Represented by the Secretary of the Air Force
- Liquid crystal display device9 May 2024US 2024/0152011 A1Japan Display Inc.
- Display device25 Apr 2024US 2024/0134229 A1Tcl China Star Optoelectronics Technology Co., Ltd.
Most cited
By later US patents
- Liquid crystal display167US 7,489,374 B2Hitachi Displays, Ltd. · 2009
- Achromatic polarization switches57US 7,528,906 B2Real D · 2009
- Wavelength-independent polarization converter47US 4,691,984 ATRW Inc. · 1987
- Quasi-achromatic optical isolators and circulators42US 4,988,170 AGTE Laboratories Incorporated · 1991
- Broadband Faraday isolator42US 5,052,786 AMassachusetts Institute of Technology · 1991