H04N 1/19552
Rotation of optical elements
Official title: {Rotation of optical elements}
H04N1/19552 (Rotation of optical elements) appears on 23 US grants and 5 published applications in this corpus.
Search patents in H04N- Granted patents
- 23
- Published applications
- 5
- Assignees
- 13
- Inventors
- 42
- Latest grant
- 23 Jun 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 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 | 1 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus23 Jun 2020US 10,694,064 B2Sharp Kabushiki Kaisha
- Image forming apparatus5 Nov 2019US 10,469,695 B2Sharp Kabushiki Kaisha
- Apparatus and method for optically projecting pixel-based image information onto a light-sensitive material22 Mar 2005US 6,870,597 B2Agfa-Gevaert
- Image forming apparatus4 Dec 2001US 6,326,992 B1Seiko Epson Corporation
- Resolution enhancement by multiple scanning with a low-resolution, two-dimensional sensor array21 Dec 1999US 6,005,682 AXerox Corporation
- Image reading device1 Oct 2026US 2026/0303746 A1Seiko Epson Corporation
- Image reading device26 Sep 2024US 2024/0323295 A1Seiko Epson Corporation
- Image forming apparatus6 Feb 2020US 2020/0045202 A1Sharp Kabushiki Kaisha
- Image forming apparatus11 Jul 2019US 2019/0215414 A1Sharp Kabushiki Kaisha
- Apparatus and method for optically projecting pixel-based image information onto a light-sensitive material18 Sep 2003US 2003/0174227 A1Agfa-Gevaert
Most cited
By later US patents
- Electronic halftone imaging system45US 4,051,536 AXerox Corporation · 1977
- Image pickup device including means for adjusting sensitivity of image pickup elements35US 5,386,228 ACanon Kabushiki Kaisha · 1995
- Multiple array printer33US 4,063,254 AInternational Business Machines Corporation · 1977
- Resolution enhancement by multiple scanning with a low-resolution, two-dimensional sensor array32US 6,005,682 AXerox Corporation · 1999
- Image forming apparatus including a plural laser beam scanning apparatus31US 5,610,647 ASeigo Epson Corporation · 1997