H04N 1/00034
Measuring, i.e. determining a quantity by comparison with a standard
Official title: {Measuring, i.e. determining a quantity by comparison with a standard (H04N1/00031 takes precedence)}
H04N1/00034 (Measuring, i.e. determining a quantity by comparison with a standard) appears on 508 US grants and 560 published applications in this corpus.
Search patents in H04N- Granted patents
- 508
- Published applications
- 560
- Assignees
- 121
- Inventors
- 990
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 3 | 5 |
| 2003 | 2 | 7 |
| 2004 | 5 | 3 |
| 2005 | 3 | 17 |
| 2006 | 14 | 16 |
| 2007 | 14 | 21 |
| 2008 | 9 | 5 |
| 2009 | 6 | 11 |
| 2010 | 8 | 12 |
| 2011 | 5 | 15 |
| 2012 | 15 | 18 |
| 2013 | 16 | 13 |
| 2014 | 19 | 17 |
| 2015 | 16 | 20 |
| 2016 | 18 | 27 |
| 2017 | 37 | 56 |
| 2018 | 47 | 38 |
| 2019 | 34 | 28 |
| 2020 | 40 | 48 |
| 2021 | 40 | 34 |
| 2022 | 39 | 46 |
| 2023 | 36 | 37 |
| 2024 | 35 | 25 |
| 2025 | 12 | 19 |
| 2026 | 11 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Inspection apparatus, control method, inspection system, and storage medium for performing inspection of a printed sheet30 Jun 2026US 12,671,769 B2Canon Kabushiki Kaisha
- In-field document scanner calibration; document scanners with integrated contact biometric scanning; and document scanners with integrated non-contact biometric scanning1 Oct 2026US 2026/0303729 A1HID Global Corporation
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- Systems and methods for detecting potentially defective consumables17 Sep 2026US 2026/0281254 A1Xerox Corporation
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Most cited
By later US patents
- Document image analysis method191US 5,600,732 ABancTec, Inc. · 1997
- Image quality analysis method and apparatus121US 5,687,250 AInternational Business Machines Corporation · 1997
- Optical image defocus correction90US 5,307,175 AXerox Corporation · 1994
- Document image analysis method75US 5,754,674 ABancTec, Inc. · 1998
- Watermarked digital images70US 6,633,653 B1Motorola, Inc. · 2003