H04N 1/02895
Additional elements in the illumination means or cooperating with the illumination means
Official title: {Additional elements in the illumination means or cooperating with the illumination means, e.g. filters (H04N1/02885 takes precedence; optical elements other than lenses per se G02B5/00)}
H04N1/02895 (Additional elements in the illumination means or cooperating with the illumination means) appears on 182 US grants and 200 published applications in this corpus.
Search patents in H04N- Granted patents
- 182
- Published applications
- 200
- Assignees
- 96
- Inventors
- 394
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 1 | 1 |
| 2003 | 4 | 4 |
| 2004 | 5 | 11 |
| 2005 | 0 | 7 |
| 2006 | 5 | 5 |
| 2007 | 1 | 5 |
| 2008 | 5 | 9 |
| 2009 | 7 | 13 |
| 2010 | 5 | 5 |
| 2011 | 7 | 14 |
| 2012 | 7 | 5 |
| 2013 | 11 | 9 |
| 2014 | 11 | 14 |
| 2015 | 12 | 17 |
| 2016 | 20 | 10 |
| 2017 | 7 | 22 |
| 2018 | 15 | 10 |
| 2019 | 11 | 1 |
| 2020 | 6 | 7 |
| 2021 | 6 | 6 |
| 2022 | 8 | 6 |
| 2023 | 3 | 3 |
| 2024 | 3 | 9 |
| 2025 | 2 | 3 |
| 2026 | 5 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image sensing module29 Sep 2026US 12,748,269 B2Creative Sensor Inc.
- Image reading apparatus and image forming apparatus having inclined planar shape of background member to improve sheet shadow detection accuracy8 Sep 2026US 12,732,580 B2Canon Kabushiki Kaisha
- Image reading device, image forming apparatus, non-transitory computer readable medium storing image reading program, and image reading method comprising a switching mechanism to switch the traveling of light from a light source to an optical path directly irradiating a document or via a traveling change member1 Sep 2026US 12,726,579 B2FUJIFILM Business Innovation Corp.
- Optical device and image reading device with a plurality of lenses and light-blocking body5 May 2026US 12,619,013 B2FUJIFILM Business Innovation Corp.
- Device and method for improving the reproducibility of recordings20 Jan 2026US 12,531,956 B2CI Tech Sensors AG
- Image forming apparatus capable of reading image on original document and forming image17 Sep 2026US 2026/0281276 A1KYOCERA Document Solutions Inc.
- Image reading device, image forming apparatus, non-transitory computer readable medium storing image reading program, and image reading method2 Jul 2026US 2026/0189665 A1FUJIFILM Business Innovation Corp.
- Reading device, reading method, program, inspection device, and printing system9 Apr 2026US 2026/0097602 A1FUJIFILM Corporation
- Device and Method for Image Recording26 Feb 2026US 2026/0059062 A1CI Tech Sensors AG
- Document reader with improved illumination26 Jun 2025US 2025/0211695 A1Veridos GmbH
Most cited
By later US patents
- Low cost color-programmable focusing ring light191US 6,273,338 B12001
- Systems and methods for glare removal using polarized filtering in document scanning73US 7,561,312 B1Google Inc. · 2009
- Contact image sensor, output correction device for contact image sensor, and output correction method for contact image sensor43US 9,516,193 B2Mitsubishi Electric Corporation · 2016
- Efficient illumination system31US 4,095,881 AInternational Business Machines Corporation · 1978
- Light emitting element array31US 4,847,734 ASharp Kabushiki Kaisha · 1989