H04N 23/74
By influencing the scene brightness using illuminating means
Official title: by influencing the scene brightness using illuminating means
H04N23/74 (By influencing the scene brightness using illuminating means) appears on 3,654 US grants and 4,286 published applications in this corpus.
Search patents in H04N- Granted patents
- 3,654
- Published applications
- 4,286
- Assignees
- 1,217
- Inventors
- 6,936
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 12 | 0 |
| 1988 | 7 | 0 |
| 1989 | 19 | 0 |
| 1990 | 16 | 0 |
| 1991 | 11 | 0 |
| 1992 | 10 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 14 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 13 | 14 |
| 2002 | 25 | 28 |
| 2003 | 22 | 48 |
| 2004 | 16 | 36 |
| 2005 | 19 | 79 |
| 2006 | 32 | 73 |
| 2007 | 27 | 82 |
| 2008 | 47 | 88 |
| 2009 | 55 | 84 |
| 2010 | 96 | 112 |
| 2011 | 74 | 98 |
| 2012 | 94 | 94 |
| 2013 | 91 | 115 |
| 2014 | 89 | 141 |
| 2015 | 146 | 200 |
| 2016 | 158 | 204 |
| 2017 | 191 | 228 |
| 2018 | 185 | 242 |
| 2019 | 246 | 315 |
| 2020 | 290 | 376 |
| 2021 | 315 | 285 |
| 2022 | 282 | 318 |
| 2023 | 247 | 333 |
| 2024 | 296 | 285 |
| 2025 | 288 | 208 |
| 2026 | 151 | 200 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Vehicle interior LED lighting system962US 7,195,381 B2Donnelly Corporation · 2007
- Method and apparatus for an L.E.D. flashlight530US 6,095,661 APPT Vision, Inc. · 2000
- Terminal having plurality of operating modes530US 8,698,949 B2Hand Held Products, Inc. · 2014
- Imaging apparatus having imaging lens487US 8,978,981 B2Honeywell International Inc. · 2015
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