B41J 2/4473
Using liquid crystal [lc] arrays
Official title: {using liquid crystal [LC] arrays}
B41J2/4473 (Using liquid crystal [lc] arrays) appears on 12 US grants and 9 published applications in this corpus.
Search patents in B41J- Granted patents
- 12
- Published applications
- 9
- Assignees
- 7
- Inventors
- 18
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 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 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 3 |
| 2024 | 3 | 2 |
| 2025 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor26 Aug 2025US 12,399,446 B2Canon Kabushiki Kaisha
- Image forming apparatus that cools an exposure device19 Aug 2025US 12,393,136 B2Canon Kabushiki Kaisha
- Image forming apparatus and exposure apparatus for forming image using rod lens array19 Nov 2024US 12,147,169 B2Canon Kabushiki Kaisha
- Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor20 Aug 2024US 12,066,766 B2Canon Kabushiki Kaisha
- Image forming apparatus that cools an exposure device6 Aug 2024US 12,055,869 B2Canon Kabushiki Kaisha
- Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor13 Nov 2025US 2025/0348018 A1Canon Kabushiki Kaisha
- Image forming apparatus that cools an exposure device13 Nov 2025US 2025/0348019 A1Canon Kabushiki Kaisha
- Image forming apparatus that cools an exposure device24 Oct 2024US 2024/0353773 A1Canon Kabushiki Kaisha
- Image forming apparatus including duct structure that supports light emitting elements for exposing a photoconductor17 Oct 2024US 2024/0345502 A1Canon Kabushiki Kaisha
- Image forming apparatus14 Sep 2023US 2023/0288837 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Optically switching ferroelectric liquid crystal light valve18US 5,085,498 ASeiko Instruments Inc. · 1992
- Apparatus and method for driving an optical printer having a liquid crystal optical switch13US 5,095,376 AHitachi, Ltd. · 1992
- Optically switching ferroelectric liquid crystal light valve having a pre-tilt angle of 60 to 80 degrees6US 5,313,321 ASeiko Instruments Inc. · 1994
- Photoplotting method and an arrangement for plotting a computer-stored raster image on a plane, photosensitive record carrier3US 6,178,006 B1MIVATEC Hard-und Software GmbH · 2001
- Accurately locating color donor element in making color filter arrays2US 5,910,813 AEastman Kodak Company · 1999