G11B 7/00555
Involving liquid crystal media
Official title: {involving liquid crystal media}
G11B7/00555 (Involving liquid crystal media) appears on 34 US grants and 8 published applications in this corpus.
Search patents in G11B- Granted patents
- 34
- Published applications
- 8
- Assignees
- 26
- Inventors
- 87
- Latest grant
- 5 May 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Information recording device and data erasing method5 May 2020US 10,643,650 B2Panasonic Intellectual Property Management Co., Ltd.
- Information recording medium23 Jun 2009US 7,550,181 B2Dai Nippon Printing Co.Ltd.
- Liquid crystal optical storage medium with gray scale8 Dec 1998US 5,846,452 AAlliant Techsystems Inc.
- Selectively alterable optical data memory2 Jul 1996US 5,532,952 ANEMATEL Dr, R. Eidenshink
- Liquid crystalline and infrared-sensitive liquid-crystalline polyesters11 Jun 1996US 5,525,265 AAkzo Nobel N. V.
- Information recording device and data erasing method12 Sep 2019US 2019/0279676 A1Panasonic Intellectual Property Management Co., Ltd.
- Data storage7 Aug 2008US 2008/0187844 A1Swinburne University of Technology
- Multi-stack information carrier7 Dec 2006US 2006/0274633 A1
- Optimized medium with anisotropic dipole emission for fluorescent single or multilayer storage27 Apr 2006US 2006/0087948 A1Koninklijke Phillips Electronics N. V.
- Optical data storage13 Oct 2005US 2005/0226130 A1Koninklijke Philips Electronics N. V.
Most cited
By later US patents
- Process of aligning and realigning liquid crystal media259US 4,974,941 AHercules Incorporated · 1990
- Process of aligning and realigning liquid crystal media136US 5,032,009 AHercules Incorporated · 1991
- Liquid crystal information storage device63US 4,702,558 AThe Victoria University of Manchester · 1987
- Liquid crystal optical storage medium with gray scale55US 5,846,452 AAlliant Techsystems Inc. · 1998
- Deposition of highly-oriented PTFE films and uses therefor52US 5,180,470 AThe Regents of the University of California · 1993