H04N 1/0432
Varying the magnification of a single lens group
Official title: {Varying the magnification of a single lens group}
H04N1/0432 (Varying the magnification of a single lens group) appears on 61 US grants and 27 published applications in this corpus.
Search patents in H04N- Granted patents
- 61
- Published applications
- 27
- Assignees
- 32
- Inventors
- 99
- Latest grant
- 1 Jun 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 4 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 2 |
| 2003 | 6 | 3 |
| 2004 | 3 | 3 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 2 | 3 |
| 2017 | 3 | 4 |
| 2018 | 4 | 4 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image forming apparatus correcting magnification of image in scanning direction of light beam1 Jun 2021US 11,025,799 B2Canon Kabushiki Kaisha
- Image forming apparatus2 Jun 2020US 10,670,985 B2Canon Kabushiki Kaisha
- Image capture using multiple illumination sources28 May 2019US 10,306,092 B1YesVideo, Inc.
- Image forming system and reading device5 Feb 2019US 10,200,565 B2Konica Minolta, Inc.
- Scanner, and image data generating method9 Oct 2018US 10,097,721 B2Seiko Epson Corporation
- Image forming apparatus6 Jun 2019US 2019/0171129 A1Canon Kabushiki Kaisha
- Image forming apparatus4 Oct 2018US 2018/0288284 A1Canon Kabushiki Kaisha
- Image forming apparatus17 May 2018US 2018/0139348 A1Kabushiki Kaisha Toshiba
- Image forming system and reading device22 Mar 2018US 2018/0084145 A1Konica Minolta, Inc.
- Scanner, and image data generating method1 Mar 2018US 2018/0063355 A1Seiko Epson Corporation
Most cited
By later US patents
- Image forming apparatus116US 6,297,872 B1Konica Corporation · 2001
- Image reading apparatus providing high quality images through synthesis of segmented image data52US 5,515,181 AFuji Xerox Co., Ltd. · 1996
- Image sensing device48US 6,639,625 B1Minolta Co., Ltd. · 2003
- System and method for integrating electronic transcription systems37US 7,143,134 B2Virtual Ink Corporation · 2006
- Photographic and video image system35US 5,742,855 ASony Corporation · 1998