H04N 1/608
Within the l, c1, c2 colour signals
Official title: {within the L, C1, C2 colour signals}
H04N1/608 (Within the l, c1, c2 colour signals) appears on 74 US grants and 76 published applications in this corpus.
Search patents in H04N- Granted patents
- 74
- Published applications
- 76
- Assignees
- 49
- Inventors
- 150
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 9 |
| 2004 | 1 | 2 |
| 2005 | 2 | 6 |
| 2006 | 0 | 6 |
| 2007 | 7 | 5 |
| 2008 | 5 | 6 |
| 2009 | 2 | 8 |
| 2010 | 7 | 5 |
| 2011 | 7 | 2 |
| 2012 | 8 | 3 |
| 2013 | 6 | 3 |
| 2014 | 4 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 2 |
| 2017 | 4 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 0 | 3 |
| 2024 | 4 | 5 |
| 2025 | 3 | 0 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Inspection device and inspection method30 Jun 2026US 12,671,780 B2Toyo Seikan Co., Ltd.
- Systems and methods for teeth whitening simulation21 Apr 2026US 12,608,854 B2Align Technology, Inc.
- Image processing device, imaging device, and image processing method30 Dec 2025US 12,513,417 B2Sony Group Corporation
- Multi-illumination white balance circuit with thumbnail image processing18 Feb 2025US 12,231,782 B2Apple Inc.
- Auto white balance adjusting method and auto white balance adjusting system7 Jan 2025US 12,190,476 B2Weltrend Semiconductor Inc.
- Systems and methods for teeth whitening simulation9 Jul 2026US 2026/0195937 A1Align Technology, Inc.
- Multi-illumination white balance circuit with thumbnail image processing3 Oct 2024US 2024/0334073 A1Apple Inc.
- Image processing device, imaging device, and image processing method18 Jul 2024US 2024/0244334 A1Sony Group Corporation
- Image Processing Method and Related Electronic Device9 May 2024US 2024/0155254 A1Honor Device Co., Ltd.
- Systems and methods for teeth whitening simulation14 Mar 2024US 2024/0087184 A1Align Technology, Inc.
Most cited
By later US patents
- Method for determining color of an illuminant in an image based on histogram data66US 5,495,428 AEastman Kodak Company · 1996
- Image processing method, image processing apparatus and recording medium58US 6,608,926 B1Canon Kabushiki Kaisha · 2003
- Color image correction based on characteristics of a highlights or other predetermined image portion56US 5,181,105 ACanon Kabushiki Kaisha · 1993
- Automatic white balance method and apparatus39US 7,728,880 B2QUALCOMM Incorporated · 2010
- Method and apparatus for correcting luminance and chrominance data in digital color images35US 6,239,886 B1Xerox Corporation · 2001