G02F 1/13781
Using smectic liquid crystals
Official title: {using smectic liquid crystals (G02F1/141 takes precedence)}
G02F1/13781 (Using smectic liquid crystals) appears on 55 US grants and 43 published applications in this corpus.
Search patents in G02F- Granted patents
- 55
- Published applications
- 43
- Assignees
- 38
- Inventors
- 145
- Latest grant
- 7 Jan 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 3 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 1 |
| 2011 | 0 | 3 |
| 2012 | 2 | 0 |
| 2013 | 2 | 2 |
| 2014 | 0 | 1 |
| 2015 | 2 | 3 |
| 2016 | 1 | 3 |
| 2017 | 2 | 4 |
| 2018 | 4 | 3 |
| 2019 | 3 | 7 |
| 2020 | 4 | 7 |
| 2021 | 4 | 1 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 1 | 1 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
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Most cited
By later US patents
- Method for driving optical modulation device149US 5,633,652 ACanon Kabushiki Kaisha · 1997
- Encapsulated liquid crystal having a smectic phase90US 5,216,530 ATaliq Corporation · 1993
- Method for preparing and operating a smectic liquid crystal display cell having indefinite storage properties46US 4,139,273 AInternational Standard Electric Corporation · 1979
- Optical path deflecting element, optical path deflecting apparatus, image displaying apparatus, optical element and manufacturing method thereof41US 6,919,982 B2Ricoh Company, Ltd. · 2005
- Co-ordinate addressing of smectic display cells34US 4,419,664 AInternational Standard Electric Corporation · 1983