H04N 13/133
Equalising the characteristics of different image components
Official title: Equalising the characteristics of different image components, e.g. their average brightness or colour balance
H04N13/133 (Equalising the characteristics of different image components) appears on 322 US grants and 356 published applications in this corpus.
Search patents in H04N- Granted patents
- 322
- Published applications
- 356
- Assignees
- 175
- Inventors
- 886
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 3 |
| 2003 | 5 | 2 |
| 2004 | 2 | 3 |
| 2005 | 4 | 1 |
| 2006 | 5 | 4 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 1 | 7 |
| 2010 | 2 | 6 |
| 2011 | 6 | 23 |
| 2012 | 5 | 40 |
| 2013 | 13 | 35 |
| 2014 | 17 | 30 |
| 2015 | 28 | 24 |
| 2016 | 29 | 17 |
| 2017 | 14 | 22 |
| 2018 | 16 | 21 |
| 2019 | 26 | 14 |
| 2020 | 20 | 21 |
| 2021 | 17 | 21 |
| 2022 | 22 | 11 |
| 2023 | 17 | 11 |
| 2024 | 9 | 13 |
| 2025 | 11 | 13 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Method and apparatus for correcting brightness of multi-view images10 Sep 2026US 2026/0270377 A1Electronics and Telecommunications Research Institute
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Most cited
By later US patents
- Distance detection system for vehicles610US 5,307,136 AFuji Jukogyo Kabushiki Kaisha · 1994
- Immersive imaging method and apparatus411US 6,141,034 AImmersive Media Company · 2000
- Shutter speed control method and system397US 5,650,944 AFuji Jukogyo Kabushiki Kaisha · 1997
- Distance detection method and system using a stereoscopical imaging apparatus353US 5,535,144 AFuji Jukogyo Kabushiki Kaisha · 1996
- Method and apparatus for converting a two dimensional motion picture into a three dimensional motion picture273US 5,748,199 ASynthonics, Inc. · 1998