C09K 19/0266
Antiferroelectrics
Official title: {Antiferroelectrics}
C09K19/0266 (Antiferroelectrics) appears on 96 US grants and 18 published applications in this corpus.
Search patents in C09K- Granted patents
- 96
- Published applications
- 18
- Assignees
- 37
- Inventors
- 154
- Latest grant
- 6 Jun 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 7 | 0 |
| 1994 | 14 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 6 | 0 |
| 1998 | 9 | 0 |
| 1999 | 11 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 3 |
| 2005 | 3 | 3 |
| 2006 | 1 | 1 |
| 2007 | 4 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Liquid crystal composition6 Jun 2017US 9,670,410 B2Industry-University Cooperation Foundation Hanyang University
- Liquid crystal mixture12 Jul 2016US 9,388,338 B2Merck Patent GmbH
- Liquid crystal mixture16 Feb 2016US 9,260,662 B2Merck Patent GmbH
- Stabilization of antiferroelectric liquid crystals10 Feb 2015US 8,953,139 B2
- Liquid crystal device and a method for writing greyscale15 Apr 2014US 8,698,725 B2
- Wide temperature range and high photochemical stability smectic liquid crystal compositions with a monolayer smectic a phase (sma1), method of obtaining thereof and devices utilizing thereof17 Jun 2021US 2021/0179940 A1Wojskowa Akademia Techniczna
- Liquid crystal composition9 Jul 2015US 2015/0191650 A1Industry-University Cooperation Foundation Hanyang University
- Liquid crystal composition21 May 2015US 2015/0137036 A1Industry-University Cooperation Foundation Hanyang University
- Liquid crystal device and a method for writing greyscale2 May 2013US 2013/0107150 A1Orthocone Innovation Technologies AB
- Stabilization of antiferroelectric liquid crystals2 May 2013US 2013/0107189 A1Orthocone Innovation Technologies AB
Most cited
By later US patents
- Antiferroelectric liquid crystal composite material, process for preparing the same, and liquid crystal element using the same41US 5,389,287 AMitsui Petrochemical Industries, Ltd. · 1995
- Antiferroelectric liquid crystal compound24US 5,417,885 AShowa Shell Sekiyu K. K. · 1995
- Anti-ferroelectric liquid crystal composition and liquid crystal display23US 5,534,190 AMitsubishi Gas Chemical Company, Inc. · 1996
- Smectic liquid crystal composition and liquid crystal display22US 5,972,242 ADenso Corporation · 1999
- Optical modulation device having a polymer network containing free molecules of a chiral liquid crystalline material19US 5,589,959 AU. S. Philips Corporation · 1996