G02F 2202/043
Pleochroic
Official title: pleochroic
G02F2202/043 (Pleochroic) appears on 96 US grants and 100 published applications in this corpus.
Search patents in G02F- Granted patents
- 96
- Published applications
- 100
- Assignees
- 60
- Inventors
- 260
- Latest grant
- 17 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 3 | 1 |
| 2011 | 0 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 1 |
| 2014 | 2 | 1 |
| 2015 | 0 | 1 |
| 2016 | 1 | 3 |
| 2017 | 0 | 12 |
| 2018 | 4 | 10 |
| 2019 | 9 | 13 |
| 2020 | 13 | 14 |
| 2021 | 10 | 5 |
| 2022 | 7 | 8 |
| 2023 | 13 | 14 |
| 2024 | 9 | 5 |
| 2025 | 7 | 2 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical laminate and image display device17 Feb 2026US 12,552,992 B2FUJIFILM Corporation
- Multi-color variable transmission optical device11 Nov 2025US 12,468,198 B2Alphamicron Incorporated
- Optical device16 Sep 2025US 12,416,835 B2LG Chem.Ltd.
- Electroactive optical device8 Apr 2025US 12,271,066 B2PPG Industries Ohio, Inc.
- Light absorption anisotropic film, optical film, and image display device25 Feb 2025US 12,235,479 B2FUJIFILM Corporation
- Polymer dispersed liquid crystal film and method of producing the same1 Oct 2026US 2026/0299348 A1Nitto Denko Corporation
- Multi-color variable transmission optical device12 Feb 2026US 2026/0044043 A1Alphamicron Incorporated
- Electronic devices having multiple alignment layers1 May 2025US 2025/0138369 A1Innolux Corporation
- Dual-mode smart switchable liquid crystal window6 Feb 2025US 2025/0043623 A1Kent State University
- Multi-color variable transmission optical device5 Dec 2024US 2024/0402548 A1Alphamicron Incorporated
Most cited
By later US patents
- Encapsulated liquid crystal and method389US 4,435,047 AManchester R & D Partnership · 1984
- Encapsulated liquid crystal material, apparatus and method129US 4,707,080 AManchester R & D Partnership · 1987
- Encapsulated liquid crystal material, apparatus and method100US 5,082,351 AManchester R & D Partnership · 1992
- Encapsulated liquid crystal and method79US 4,616,903 AManchester R & D Partnership · 1986
- Display having light scattering centers78US 5,138,472 ARaychem Corporation · 1992