H04N 1/00734
Optical detectors
Official title: {Optical detectors}
H04N1/00734 (Optical detectors) appears on 771 US grants and 765 published applications in this corpus.
Search patents in H04N- Granted patents
- 771
- Published applications
- 765
- Assignees
- 170
- Inventors
- 1,514
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 9 | 0 |
| 1996 | 15 | 0 |
| 1997 | 9 | 0 |
| 1998 | 19 | 0 |
| 1999 | 9 | 0 |
| 2000 | 16 | 0 |
| 2001 | 10 | 5 |
| 2002 | 10 | 21 |
| 2003 | 11 | 20 |
| 2004 | 12 | 17 |
| 2005 | 8 | 19 |
| 2006 | 16 | 21 |
| 2007 | 10 | 35 |
| 2008 | 16 | 22 |
| 2009 | 13 | 28 |
| 2010 | 25 | 31 |
| 2011 | 17 | 37 |
| 2012 | 31 | 30 |
| 2013 | 44 | 30 |
| 2014 | 38 | 28 |
| 2015 | 40 | 23 |
| 2016 | 35 | 43 |
| 2017 | 39 | 52 |
| 2018 | 44 | 55 |
| 2019 | 44 | 29 |
| 2020 | 38 | 49 |
| 2021 | 35 | 42 |
| 2022 | 45 | 39 |
| 2023 | 31 | 28 |
| 2024 | 24 | 24 |
| 2025 | 12 | 25 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image reading device including an image pattern portion and image forming apparatus29 Sep 2026US 12,750,450 B2Ricoh Company, Ltd.
- Image reading device and image reading method25 Aug 2026US 12,719,995 B2Ricoh Company, Ltd.
- Image reading device and image reading method for document detection28 Jul 2026US 12,695,837 B2Seiko Epson Corporation
- Information processing apparatus, information processing method, and non-transitory computer readable medium21 Jul 2026US 12,689,695 B2FUJIFILM Business Innovation Corp.
- Document conveying device14 Jul 2026US 12,679,683 B2KYOCERA Document Solutions Inc.
- Conveying device, image reading device, image forming apparatus, and conveying method27 Aug 2026US 2026/0254904 A1Etria Co., Ltd.
- Document reading device, image forming apparatus, and image forming system16 Jul 2026US 2026/0205552 A1Etria Co., Ltd.
- Image reading apparatus25 Jun 2026US 2026/0181090 A1Brother Kogyo Kabushiki Kaisha
- Image processor, image reading device, image forming apparatus, information acquisition system, image processing method, and non-transitory recording medium28 May 2026US 2026/0149783 A1Etria Co., Ltd.
- Medium transport device and image reading device14 May 2026US 2026/0135960 A1Seiko Epson Corporation
Most cited
By later US patents
- Image read device and copier1,024US 8,599,450 B2Ricoh Company, Ltd. · 2013
- Interactive user interface for capturing a document in an image signal743US 9,047,531 B2Hand Held Products, Inc. · 2015
- Automatically capturing information, such as capturing information using a document-aware device228US 8,638,363 B2Google Inc. · 2014
- Electronic image registration for a scanner204US 5,528,387 AXerox Corporation · 1996
- Image scanner187US 4,996,604 ATokyo Electric Co., Ltd. · 1991