H04N 1/648
Transmitting or storing the primary colour signals
Official title: {Transmitting or storing the primary (additive or subtractive) colour signals; Compression thereof (H04N1/642 - H04N1/646 take precedence)}
H04N1/648 (Transmitting or storing the primary colour signals) appears on 234 US grants and 167 published applications in this corpus.
Search patents in H04N- Granted patents
- 234
- Published applications
- 167
- Assignees
- 107
- Inventors
- 444
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 4 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 4 | 2 |
| 2003 | 2 | 11 |
| 2004 | 3 | 8 |
| 2005 | 5 | 7 |
| 2006 | 1 | 3 |
| 2007 | 3 | 5 |
| 2008 | 7 | 6 |
| 2009 | 7 | 11 |
| 2010 | 8 | 2 |
| 2011 | 7 | 3 |
| 2012 | 6 | 5 |
| 2013 | 7 | 6 |
| 2014 | 7 | 5 |
| 2015 | 6 | 12 |
| 2016 | 14 | 23 |
| 2017 | 17 | 17 |
| 2018 | 16 | 9 |
| 2019 | 5 | 6 |
| 2020 | 13 | 7 |
| 2021 | 6 | 4 |
| 2022 | 5 | 4 |
| 2023 | 5 | 7 |
| 2024 | 5 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of generating target image data, electrical device and non- transitory computer readable medium17 Mar 2026US 12,579,695 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Image encoding method and apparatus, and image decoding method and apparatus8 Jul 2025US 12,355,989 B2Shenzhen Yinwang Intelligent Technologies Co., Ltd.
- Information processing apparatus, image processing method, and medium4 Feb 2025US 12,219,112 B2Canon Kabushiki Kaisha
- High precision color processing for wide dynamic range sensors12 Nov 2024US 12,143,729 B2Texas Instruments Incorporated
- Suppression of clipping artifacts from color conversion29 Oct 2024US 12,131,504 B2Texas Instruments Incorporated
- Suppression of clipping artifacts from color conversion13 Feb 2025US 2025/0054192 A1
- High precision color processing for wide dynamic range sensors23 Jan 2025US 2025/0030951 A1
- Selection System, Method, And Computer Program For Selecting Ink Amount Set9 Jan 2025US 2025/0016282 A1Seiko Epson Corporation
- Information processing apparatus, image processing method, and medium1 Feb 2024US 2024/0040060 A1Canon Kabushiki Kaisha
- Image processing system and method14 Dec 2023US 2023/0401750 A1
Most cited
By later US patents
- Electronic picture camera with reduced memory capacity148US 4,758,883 ANippon Kogaku K. K. · 1988
- Compression of color images based on a 2-dimensional discrete wavelet transform yielding a perceptually lossless image128US 6,154,493 AIntel Corporation · 2000
- Spatial compression and decompression for video109US 5,675,382 AConnectix Corporation · 1997
- Temporal compression and decompression for video80US 6,008,847 AConnectix Corporation · 1999
- Run length encoder for color raster scanner78US 4,301,469 AUnited Technologies Corporation · 1981