H04N 2201/0476
Using an optical, electro-optical or acousto-optical element
Official title: using an optical, electro-optical or acousto-optical element
H04N2201/0476 (Using an optical, electro-optical or acousto-optical element) appears on 176 US grants and 44 published applications in this corpus.
Search patents in H04N- Granted patents
- 176
- Published applications
- 44
- Assignees
- 62
- Inventors
- 269
- Latest grant
- 20 Jun 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 8 | 0 |
| 1992 | 8 | 0 |
| 1993 | 15 | 0 |
| 1994 | 14 | 0 |
| 1995 | 9 | 0 |
| 1996 | 5 | 0 |
| 1997 | 7 | 0 |
| 1998 | 5 | 0 |
| 1999 | 12 | 0 |
| 2000 | 10 | 0 |
| 2001 | 9 | 2 |
| 2002 | 8 | 6 |
| 2003 | 3 | 5 |
| 2004 | 7 | 3 |
| 2005 | 1 | 3 |
| 2006 | 6 | 6 |
| 2007 | 3 | 4 |
| 2008 | 3 | 4 |
| 2009 | 4 | 2 |
| 2010 | 2 | 3 |
| 2011 | 1 | 0 |
| 2012 | 3 | 0 |
| 2013 | 0 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 2 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Optical member, optical scanning device, and image forming device20 Jun 2023US 11,681,239 B2Sharp Kabushiki Kaisha
- Light beam scanning device, image forming apparatus, and scanning line adjusting method12 Feb 2019US 10,205,844 B2Ricoh Company, Ltd.
- Method and apparatus for controlling multiple beam spacing23 Oct 2018US 10,108,104 B2Hewlett-Packard Development Company, L. P.
- Prism block for suppressing decrease of amount of light by medium, optical unit, and scanner optical system12 Jun 2018US 9,995,915 B2Konica Minolta, Inc.
- Scan unit for an imaging device and methods of using same1 Sep 2015US 9,122,189 B2Lexmark International, Inc.
- Optical member, optical scanning device, and image forming device11 Nov 2021US 2021/0349408 A1Sharp Kabushiki Kaisha
- Prism Block for Suppressing Decrease of Amount of Light by Medium, Optical Unit, and Scanner Optical System6 Jul 2017US 2017/0192202 A1Konica Minolta, Inc.
- Method and Apparatus for Controlling Multiple Beam Spacing8 Jan 2015US 2015/0010316 A1Hewlett-Packard Development Company, L. P.
- Scan Unit for an Imaging Device and Methods of Using Same18 Sep 2014US 2014/0267530 A1Lexmark International, Inc.
- Light beam scanning device, image forming apparatus, and scanning line adjusting method11 Jul 2013US 2013/0176602 A1Ricoh Company, Ltd.
Most cited
By later US patents
- Single-pass imaging apparatus with image data scrolling for improved resolution contrast and exposure extent100US 8,767,270 B2Palo Alto Research Center Incorporated · 2014
- Laser pattern generation apparatus49US 5,386,221 AEtec Systems, Inc. · 1995
- High-resolution laser plotter46US 4,257,053 AGeosource Inc. · 1981
- Optical scanning system with correction44US 7,098,871 B1Microvision, Inc. · 2006
- Apparatus and method for generating images by producing light spots of different sizes42US 4,386,272 APitney Bowes Inc. · 1983