H04N 25/673
By using reference sources
Official title: by using reference sources
H04N25/673 (By using reference sources) appears on 685 US grants and 644 published applications in this corpus.
Search patents in H04N- Granted patents
- 685
- Published applications
- 644
- Assignees
- 240
- Inventors
- 1,133
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 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 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 10 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 5 |
| 2002 | 9 | 17 |
| 2003 | 7 | 10 |
| 2004 | 17 | 18 |
| 2005 | 9 | 17 |
| 2006 | 18 | 15 |
| 2007 | 9 | 14 |
| 2008 | 19 | 18 |
| 2009 | 15 | 33 |
| 2010 | 16 | 33 |
| 2011 | 31 | 24 |
| 2012 | 34 | 21 |
| 2013 | 25 | 17 |
| 2014 | 20 | 29 |
| 2015 | 30 | 36 |
| 2016 | 20 | 31 |
| 2017 | 44 | 38 |
| 2018 | 39 | 33 |
| 2019 | 46 | 48 |
| 2020 | 39 | 44 |
| 2021 | 35 | 30 |
| 2022 | 37 | 32 |
| 2023 | 34 | 32 |
| 2024 | 28 | 22 |
| 2025 | 26 | 19 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Imaging device and photodetection device25 Aug 2026US 12,720,227 B2Sony Semiconductor Solutions Corporation
- Solid state imaging device21 Jul 2026US RE50,962 E1Nikon Corporation
- Method for dynamic correction for pixels of thermal image array24 Mar 2026US 12,587,754 B2Goaltop Technology Corporation
- Imaging sensor with near-infrared absorber10 Feb 2026US 12,550,461 B2Microsoft Technology Licensing, LLC
- Non-uniformity correction calibrations in infrared imaging systems and methods27 Jan 2026US 12,535,360 B2Teledyne FLIR Commercial Systems, Inc.
- Radiation detector and radiation detection system8 Oct 2026US 2026/0313270 A1Canon Kabushiki Kaisha
- Infrared imaging device13 Aug 2026US 2026/0235446 A1Mitsubishi Electric Corporation
- Supplemental flat field correction determination for infrared imaging systems and methods2 Jul 2026US 2026/0189805 A1Teledyne FLIR Commercial Systems, Inc.
- Method of detecting a defocus of an image sensor and image sensor25 Jun 2026US 2026/0181282 A1OmniVision Technologies, Inc.
- Image signal processor16 Apr 2026US 2026/0107072 A1SK hynix Inc.
Most cited
By later US patents
- Method and apparatus for compensating pixel values in an imaging system542US 8,587,697 B2Hand Held Products, Inc. · 2013
- Method and apparatus for pixel non-uniformity correction154US 5,047,861 AEastman Kodak Company · 1991
- Imaging device with multiple fields of view incorporating memory-based temperature compensation of an uncooled focal plane array141US 7,235,785 B2Irvine Sensors Corporation · 2007
- Image sensor with dummy pixel or dummy pixel array129US 6,344,877 B12002
- Calibration of digital cameras112US 6,147,702 AIntel Corporation · 2000