H04N 2201/02493
Additional optical elements not otherwise provided for
Official title: Additional optical elements not otherwise provided for, e.g. filters, polarising plates, masks or apertures
H04N2201/02493 (Additional optical elements not otherwise provided for) appears on 120 US grants and 99 published applications in this corpus.
Search patents in H04N- Granted patents
- 120
- Published applications
- 99
- Assignees
- 79
- Inventors
- 261
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 2 |
| 2003 | 5 | 8 |
| 2004 | 5 | 12 |
| 2005 | 8 | 16 |
| 2006 | 5 | 13 |
| 2007 | 7 | 10 |
| 2008 | 3 | 5 |
| 2009 | 9 | 6 |
| 2010 | 11 | 2 |
| 2011 | 4 | 6 |
| 2012 | 6 | 0 |
| 2013 | 7 | 4 |
| 2014 | 3 | 2 |
| 2015 | 3 | 1 |
| 2016 | 2 | 2 |
| 2017 | 2 | 3 |
| 2018 | 2 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Image reading device, image forming apparatus, non-transitory computer readable medium storing image reading program, and image reading method reducing image reading time by sequentially switching light sources turning on second light source for shorter time than first light source16 Dec 2025US 12,500,987 B2FUJIFILM Business Innovation Corp.
- Optical device, image reading apparatus, and image forming apparatus for suppressing stray light using light shielding body that overlap rows of lens array and covered by regulating body with through holes25 Oct 2022US 11,483,444 B2FUJIFILM Business Innovation Corp.
- Light receiving sensor, sensor module, and paper sheet handling apparatus9 Jun 2020US 10,677,646 B2Glory Ltd.
- Camera filter identification system24 Mar 2020US 10,599,016 B2
- Image processing apparatus, control method of image processing apparatus, and storage medium with performing smoothing on object other than character8 Oct 2019US 10,440,226 B2Canon Kabushiki Kaisha
- Image reading device, image forming apparatus, non-transitory computer readable medium storing image reading program, and image reading method28 Sep 2023US 2023/0308576 A1FUJIFILM Business Innovation Corp.
- Optical device, image reading apparatus, and image forming apparatus29 Jul 2021US 2021/0234986 A1Fuji Xerox Co., Ltd.
- Camera Filter Identification System28 Mar 2019US 2019/0094661 A1
- Document Reading Unit That Ensures Distinguishing and Reading Fluorescent Color9 Aug 2018US 2018/0227462 A1KYOCERA Document Solutions Inc.
- Lens barrel, imaging device body, and imaging device1 Mar 2018US 2018/0063417 A1FUJIFILM Corporation
Most cited
By later US patents
- Document reading apparatus, having a body unit for holding apparatus components116US 5,399,850 AKYOCERA Corporation · 1995
- 3D light field cameras, images and files, and methods of using, operating, processing and viewing same104US 8,749,620 B1Lytro, Inc. · 2014
- Robust system for transmitting and receiving map data100US 6,924,753 B2Zenith Electronics Corporation · 2005
- Portable image input device84US 4,947,261 ASharp Kabushiki Kaisha · 1990
- Digital television transmitter and receiver for transmitting and receiving dual stream using 4 level vestigial side band robust data61US 7,653,143 B2Electronics and Telecommunications Research Institute · 2010