B41J 2/445
Using liquid crystals
Official title: using liquid crystals
B41J2/445 (Using liquid crystals) appears on 19 US grants and 9 published applications in this corpus.
Search patents in B41J- Granted patents
- 19
- Published applications
- 9
- Assignees
- 15
- Inventors
- 38
- Latest grant
- 29 Oct 2019
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 3 |
| 2004 | 1 | 2 |
| 2005 | 2 | 1 |
| 2006 | 2 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Non mechanical optical beam steering mechanism for laser printers29 Oct 2019US 10,462,323 B1Capital One Services, LLC
- Non mechanical optical beam steering mechanism for laser printers9 Jul 2019US 10,345,677 B1Capital One Services, LLC
- Method and system for optimizing laser marking on a food product14 Mar 2017US 9,592,678 B2Yta Holdings, LLC
- Method of illuminating at least two illumination points16 Feb 2010US 7,663,733 B2Sign-Tronic AG
- Image transfer apparatus5 Jan 2010US 7,643,048 B2FUJIFILM Corporation
- Method and system for optimizing laser marking on a food product4 Aug 2016US 2016/0221356 A1TEN Media, LLC dba TEN Ag Tech Co.
- Method of illuminating at least two illumination points11 May 2006US 2006/0098263 A1Sign-Tronic AG
- Optical printer head3 Feb 2005US 2005/0024475 A1Citizen Watch Co., Ltd.
- Transfer apparatus20 May 2004US 2004/0095293 A1Fuji Photo Film Co., Ltd.
- Transfer apparatus13 May 2004US 2004/0090414 A1Fuji Photo Film Co., Ltd.
Most cited
By later US patents
- TIR Electro-optic modulator with individually addressed electrodes76US 4,281,904 AXerox Corporation · 1981
- Light blocking stop for electro-optic line printers42US 4,724,467 AXerox Corporation · 1988
- Micromachined reflective light valve14US 6,268,948 B1Creo Products Inc. · 2001
- Image forming apparatus11US 4,581,619 ACanon Kabushiki Kaisha · 1986
- Method of illuminating at least two illumination points7US 7,663,733 B2Sign-Tronic AG · 2010