H04N 1/0402
Scanning different formats
Official title: {Scanning different formats; Scanning with different densities of dots per unit length, e.g. different numbers of dots per inch (dpi); Conversion of scanning standards (H04N1/00283 takes precedence; picture signal circuits for modification of image resolution H04N1/3935, H04N1/40068)}
H04N1/0402 (Scanning different formats) appears on 732 US grants and 442 published applications in this corpus.
Search patents in H04N- Granted patents
- 732
- Published applications
- 442
- Assignees
- 183
- Inventors
- 1,293
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 9 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 15 | 0 |
| 1991 | 9 | 0 |
| 1992 | 19 | 0 |
| 1993 | 26 | 0 |
| 1994 | 24 | 0 |
| 1995 | 17 | 0 |
| 1996 | 20 | 0 |
| 1997 | 15 | 0 |
| 1998 | 31 | 0 |
| 1999 | 31 | 0 |
| 2000 | 40 | 0 |
| 2001 | 41 | 20 |
| 2002 | 30 | 25 |
| 2003 | 42 | 33 |
| 2004 | 26 | 38 |
| 2005 | 15 | 24 |
| 2006 | 17 | 16 |
| 2007 | 13 | 27 |
| 2008 | 21 | 21 |
| 2009 | 17 | 24 |
| 2010 | 24 | 19 |
| 2011 | 14 | 16 |
| 2012 | 22 | 9 |
| 2013 | 14 | 9 |
| 2014 | 9 | 15 |
| 2015 | 17 | 17 |
| 2016 | 19 | 18 |
| 2017 | 16 | 27 |
| 2018 | 23 | 20 |
| 2019 | 18 | 17 |
| 2020 | 14 | 8 |
| 2021 | 16 | 13 |
| 2022 | 4 | 9 |
| 2023 | 9 | 5 |
| 2024 | 6 | 4 |
| 2025 | 2 | 4 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Image forming apparatus performing halftone processing shifting scan line start position in main-scan direction when scan lines are shifted in sub-scan direction relative to target21 Jul 2026US 12,689,697 B2Canon Kabushiki Kaisha
- Image acquisition system and image acquisition method12 May 2026US 12,627,878 B2Hamamatsu Photonics K.K.
- Scanning technique adjustable per page17 Feb 2026US 12,556,640 B2Hewlett-Packard Development Company, L. P.
- Device and method for improving the reproducibility of recordings20 Jan 2026US 12,531,956 B2CI Tech Sensors AG
- Method, apparatus, and system for characterizing an optical system15 Jul 2025US 12,361,239 B2Hand Held Products, Inc.
- Image processing method and image processing system used for generating an improved image1 Oct 2026US 2026/0303749 A1Mediatek Inc.
- Optical scanning device and image forming apparatus26 Mar 2026US 2026/0086471 A1FUJIFILM Business Innovation Corp.
- Scanner excluding blank page data from scan data based on information outputted from trained machine learning model12 Mar 2026US 2026/0075152 A1Brother Kogyo Kabushiki Kaisha
- Image processing apparatus and image forming apparatus for converting resolution of document image26 Feb 2026US 2026/0059065 A1KYOCERA Document Solutions Inc.
- Image reading device and image forming apparatus21 Aug 2025US 2025/0267229 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Method and apparatus for the transmission, storage, and retrieval of documents in an electronic domain345US 5,502,576 ARamsay International Corporation · 1996
- Direction scaling method and apparatus for image scanning resolution control194US 5,047,871 AHewlett-Packard Company · 1991
- Electronic printer camera169US 5,835,136 AKing Jim Co., Ltd. · 1998
- Photographic and video image system129US 5,752,114 ASony Corporation · 1998
- Image forming apparatus116US 6,297,872 B1Konica Corporation · 2001