H04N 9/643
Hue control means
Official title: {Hue control means, e.g. flesh tone control}
H04N9/643 (Hue control means) appears on 493 US grants and 423 published applications in this corpus.
Search patents in H04N- Granted patents
- 493
- Published applications
- 423
- Assignees
- 227
- Inventors
- 912
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 13 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 2 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 8 | 0 |
| 1996 | 4 | 0 |
| 1997 | 3 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 3 |
| 2002 | 12 | 9 |
| 2003 | 6 | 10 |
| 2004 | 6 | 9 |
| 2005 | 6 | 11 |
| 2006 | 10 | 23 |
| 2007 | 8 | 24 |
| 2008 | 7 | 17 |
| 2009 | 12 | 33 |
| 2010 | 17 | 25 |
| 2011 | 16 | 25 |
| 2012 | 31 | 12 |
| 2013 | 22 | 27 |
| 2014 | 28 | 20 |
| 2015 | 25 | 24 |
| 2016 | 16 | 23 |
| 2017 | 22 | 16 |
| 2018 | 18 | 17 |
| 2019 | 16 | 18 |
| 2020 | 15 | 17 |
| 2021 | 15 | 16 |
| 2022 | 13 | 10 |
| 2023 | 17 | 10 |
| 2024 | 15 | 14 |
| 2025 | 7 | 6 |
| 2026 | 9 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Information processing device and information processing method18 Aug 2026US 12,712,991 B2Sony Group Corporation
- Signal reshaping for high dynamic range signals11 Aug 2026US 12,707,100 B2Dolby Laboratories Licensing Corporation
- Image correction method2 Jun 2026US 12,647,526 B2Benq Corporation
- Display apparatus correcting image in consideration of user's perceptual distortion5 May 2026US 12,620,335 B2Samsung Electronics Co., Ltd.
- Face-aware relighting of live video content5 May 2026US 12,621,417 B1Amazon Technologies, Inc.
- Signal reshaping for high dynamic range signals25 Jun 2026US 2026/0181191 A1Dolby Laboratories Licensing Corporation
- Signal reshaping for high dynamic range signals18 Jun 2026US 2026/0172610 A1Dolby Laboratories Licensing Corporation
- Information processing device, program, and information processing system11 Jun 2026US 2026/0164001 A1Sony Group Corporation
- Gradient-Based Facial Texture Processing for Video Conferencing14 May 2026US 2026/0135973 A1Zoom Communications, Inc.
- Image correction method16 Oct 2025US 2025/0324166 A1Benq Corporation
Most cited
By later US patents
- Digital television system334US 5,526,051 ATexas Instruments Incorporated · 1996
- Method for compensating image color when adjusting the contrast of a digital color image228US 6,438,264 B1Eastman Kodak Company · 2002
- Video signal processor for detecting flesh tones in am image175US 5,488,429 AMitsubishi Denki Kabushiki Kaisha · 1996
- Method and apparatus for detecting flesh tones in an image169US 5,638,136 AMitsubishi Denki Kabushiki Kaisha · 1997
- System for automatic color calibration156US 6,459,425 B12002