H04N 1/00031
Testing, i.e. determining the result of a trial
Official title: {Testing, i.e. determining the result of a trial (H04N1/00029 takes precedence; using test signals for transmission mode changing H04N2201/33371)}
H04N1/00031 (Testing, i.e. determining the result of a trial) appears on 631 US grants and 613 published applications in this corpus.
Search patents in H04N- Granted patents
- 631
- Published applications
- 613
- Assignees
- 167
- Inventors
- 1,269
- Latest grant
- 6 Oct 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 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 7 | 0 |
| 2000 | 14 | 0 |
| 2001 | 21 | 5 |
| 2002 | 14 | 23 |
| 2003 | 28 | 33 |
| 2004 | 21 | 34 |
| 2005 | 16 | 39 |
| 2006 | 26 | 34 |
| 2007 | 22 | 33 |
| 2008 | 16 | 37 |
| 2009 | 39 | 49 |
| 2010 | 25 | 25 |
| 2011 | 23 | 69 |
| 2012 | 40 | 43 |
| 2013 | 64 | 39 |
| 2014 | 63 | 29 |
| 2015 | 32 | 11 |
| 2016 | 18 | 9 |
| 2017 | 13 | 5 |
| 2018 | 12 | 8 |
| 2019 | 10 | 11 |
| 2020 | 6 | 13 |
| 2021 | 20 | 18 |
| 2022 | 15 | 8 |
| 2023 | 5 | 9 |
| 2024 | 8 | 10 |
| 2025 | 3 | 14 |
| 2026 | 5 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image forming system for inspecting a printed image6 Oct 2026US 12,754,504 B2Canon Kabushiki Kaisha
- Inspection apparatus, inspection method, and image forming apparatus1 Sep 2026US 12,724,371 B2Canon Kabushiki Kaisha
- Optical scanning device and image forming apparatus including same28 Jul 2026US 12,695,840 B2KYOCERA Document Solutions Inc.
- Information processing apparatus, simulation system, non-transitory computer readable medium, and information processing method2 Jun 2026US 12,647,522 B2FUJIFILM Business Innovation Corp.
- Printed material inspection system, printed material inspection method, and non-transitory computer readable medium17 Mar 2026US 12,578,907 B2FUJIFILM Business Innovation Corp.
- Image reading apparatus17 Sep 2026US 2026/0281269 A1KYOCERA Document Solutions Inc.
- Printed material inspection system, printed material inspection method, and non-transitory computer readable medium18 Jun 2026US 2026/0169664 A1FUJIFILM Business Innovation Corp.
- Image forming system, image forming method, and non-transitory computer readable medium30 Apr 2026US 2026/0119618 A1FUJIFILM Business Innovation Corp.
- Printing device and amount-of-conveyance adjustment method therefor26 Mar 2026US 2026/0089271 A1Seiko Epson Corporation
- Information processing device, information processing method, and program12 Feb 2026US 2026/0044985 A1Sony Semiconductor Solutions Corporation
Most cited
By later US patents
- Image capture and identification system and process552US 7,016,532 B2Evryx Technologies, Inc. · 2006
- Image capture and identification system and process422US 7,477,780 B2Evryx Technologies, Inc. · 2009
- Systems and methods for automated image quality based diagnostics and remediation of document processing systems165US 6,665,425 B1Xerox Corporation · 2003
- Spatial light modulator array140US 5,510,824 ATexas Instruments Incorporated · 1996
- Color printer calibration test pattern129US 5,416,613 AXerox Corporation · 1995