H04N 1/00819
Self-calibrating reading means
Official title: {Self-calibrating reading means}
H04N1/00819 (Self-calibrating reading means) appears on 84 US grants and 88 published applications in this corpus.
Search patents in H04N- Granted patents
- 84
- Published applications
- 88
- Assignees
- 39
- Inventors
- 199
- Latest grant
- 3 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 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 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 3 | 2 |
| 2003 | 4 | 5 |
| 2004 | 3 | 1 |
| 2005 | 1 | 3 |
| 2006 | 1 | 3 |
| 2007 | 1 | 1 |
| 2008 | 2 | 1 |
| 2009 | 2 | 1 |
| 2010 | 3 | 0 |
| 2011 | 0 | 0 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 6 |
| 2015 | 6 | 8 |
| 2016 | 6 | 2 |
| 2017 | 3 | 8 |
| 2018 | 4 | 9 |
| 2019 | 11 | 11 |
| 2020 | 9 | 2 |
| 2021 | 4 | 5 |
| 2022 | 5 | 7 |
| 2023 | 4 | 6 |
| 2024 | 6 | 4 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Liquid discharge apparatus, control method for correcting liquid discharge apparatus, and recording medium3 Feb 2026US 12,539,711 B2Ricoh Company, Ltd.
- Image forming apparatus and method of reading test sheet24 Dec 2024US 12,175,313 B2Sharp Kabushiki Kaisha
- Inspection apparatus, method, and storage medium, that correct reference image and inspect printed material based on the corrected reference image23 Jul 2024US 12,047,540 B2Canon Kabushiki Kaisha
- Multi-mode scanning camera system and method2 Jul 2024US 12,028,496 B2Imaging Business Machines LLC
- Reading apparatus and control method7 May 2024US 11,979,532 B2Canon Kabushiki Kaisha
- Image-forming apparatus1 Jan 2026US 2026/0006141 A1Canon Kabushiki Kaisha
- Image reading apparatus capable of reading shadows generated at a leading edge of a document, image forming apparatus, and reading condition adjustment method17 Jul 2025US 2025/0233952 A1KYOCERA Document Solutions Inc.
- Image forming system including image reading device31 Oct 2024US 2024/0364828 A1KYOCERA Document Solutions Inc.
- Image reading apparatus, image forming apparatus, and image reading method15 Aug 2024US 2024/0275902 A1
- Image forming apparatus and method of reading test sheet16 May 2024US 2024/0160873 A1Sharp Kabushiki Kaisha
Most cited
By later US patents
- Scanner device and control method thereof, and image input system55US 6,233,059 B1Canon Kabushiki Kaisha · 2001
- Automatic scanning parameter setting device and method47US 7,403,313 B2Transpacific IP, Ltd. · 2008
- Multiple non-directional scanning38US 6,650,442 B1Umax Data Systems Inc. · 2003
- Apparatus and method for controlling the adjustment of optical elements in an electrophotographic apparatus21US 4,268,165 AInternational Business Machines Corporation · 1981
- System and method of automated scan workflow assignment20US 6,980,332 B2Hewlett-Packard Development Company, L. P. · 2005