G11B 7/25
Containing liquid crystals
Official title: containing liquid crystals
G11B7/25 (Containing liquid crystals) appears on 120 US grants and 57 published applications in this corpus.
Search patents in G11B- Granted patents
- 120
- Published applications
- 57
- Assignees
- 82
- Inventors
- 300
- Latest grant
- 14 Jun 2016
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 1 |
| 2002 | 5 | 4 |
| 2003 | 6 | 6 |
| 2004 | 4 | 9 |
| 2005 | 6 | 4 |
| 2006 | 2 | 8 |
| 2007 | 4 | 5 |
| 2008 | 1 | 8 |
| 2009 | 4 | 5 |
| 2010 | 2 | 0 |
| 2011 | 5 | 4 |
| 2012 | 3 | 0 |
| 2013 | 1 | 1 |
| 2014 | 1 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Reversible recording medium based on optical storage of information, method of reversible recording on such a medium14 Jun 2016US 9,368,145 B2Centre National de la Recherche Scientifique (CNRS)
- Optical information reproducing device, optical information recording device, and method for recording optical information20 May 2014US 8,730,775 B2Hitachi Consumer Electronics Co., Ltd.
- Two-photon or higher-order absorbing optical materials for generation of reactive species3 Dec 2013US 8,597,549 B2California Institute of Technology
- Optically anisotropic material, optical element and optical information writing/reading device23 Oct 2012US 8,293,134 B2Asahi Glass Company, Limited
- Two-photon or higher-order absorbing optical materials and methods of use12 Jun 2012US 8,197,722 B2California Institute of Technology
- Method of controling domain of organic compounds showing conformational chirality30 Jan 2025US 2025/0037897 A1Uniwersytet Warszawski
- Compound, non-linear optical material, recording medium, method for recording information, and method for reading information6 Apr 2023US 2023/0109287 A1Panasonic Intellectual Property Management Co., Ltd.
- Reversible recording medium based on optical storage of information, method of reversible recording on such a medium7 Feb 2013US 2013/0033975 A1Universite Damgers
- Optical information reproducing device, optical information recording device, and method for recording optical information29 Sep 2011US 2011/0235485 A1Hitachi Consumer Electronics Co., Ltd.
- Optically anisotropic material, optical element and optical information writing/reading device21 Apr 2011US 2011/0089372 A1Asahi Glass Company, Limited
Most cited
By later US patents
- Process of aligning and realigning liquid crystal media259US 4,974,941 AHercules Incorporated · 1990
- Multi-layered recording disk and recording/reproducing system using the same155US 5,608,715 APioneer Electronic Corporation · 1997
- 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
- Perishable media information storage mechanism and method of fabrication63US 6,228,440 B1Motorola, Inc. · 2001