H04N 1/646
Transmitting or storing colour television type signals
Official title: {Transmitting or storing colour television type signals, e.g. PAL, Lab; Their conversion into additive or subtractive colour signals or vice versa therefor (H04N1/642, H04N1/644 take precedence)}
H04N1/646 (Transmitting or storing colour television type signals) appears on 249 US grants and 169 published applications in this corpus.
Search patents in H04N- Granted patents
- 249
- Published applications
- 169
- Assignees
- 132
- Inventors
- 497
- Latest grant
- 27 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 10 | 0 |
| 1990 | 5 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 1 |
| 2002 | 6 | 4 |
| 2003 | 2 | 5 |
| 2004 | 6 | 8 |
| 2005 | 1 | 12 |
| 2006 | 12 | 9 |
| 2007 | 7 | 8 |
| 2008 | 2 | 8 |
| 2009 | 7 | 2 |
| 2010 | 7 | 6 |
| 2011 | 5 | 8 |
| 2012 | 7 | 3 |
| 2013 | 7 | 4 |
| 2014 | 5 | 6 |
| 2015 | 7 | 6 |
| 2016 | 2 | 5 |
| 2017 | 11 | 21 |
| 2018 | 13 | 19 |
| 2019 | 15 | 9 |
| 2020 | 13 | 5 |
| 2021 | 4 | 4 |
| 2022 | 5 | 4 |
| 2023 | 1 | 1 |
| 2024 | 4 | 5 |
| 2025 | 5 | 4 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image processing device and method27 Jan 2026US 12,537,912 B2Samsung Electronics Co., Ltd.
- Image processing device and image processing method for obtaining two sub-images from original image1 Jul 2025US 12,348,912 B2Socionext Inc.
- Apparatus, a method and a computer program for video coding and decoding24 Jun 2025US 12,341,994 B2Nokia Technologies Oy
- Image processing method, image processing device, and program20 May 2025US 12,307,639 B2Nikon Corporation
- Image compression20 May 2025US 12,309,427 B2Contrast, Inc.
- Image processing apparatus and image processing method23 Jul 2026US 2026/0212471 A1Koninklijke Philips N. V.
- Image processing apparatus and image processing method7 May 2026US 2026/0129138 A1Seiko Epson Corporation
- Image processing method, image processing device, and program7 Aug 2025US 2025/0252543 A1Nikon Corporation
- Video signal transmitting device, video signal repeating device, and video signal transmitting/receiving system24 Jul 2025US 2025/0240395 A1Rohm Co., Ltd.
- Image processing device and method3 Jul 2025US 2025/0220134 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Electronic still camera and image recording method thereof217US 5,018,017 AKabushiki Kaisha Toshiba · 1991
- Electronic still camera with various modes of data compression194US 5,034,804 AKabushiki Kaisha Toshiba · 1991
- High resolution color video image acquisition and compression system160US 4,743,959 A1988
- Method of recording picture information, record carrier, and picture retrieval and reproduction device for reading the record carrier118US 5,583,653 AU. S. Philips Corporation · 1996
- Electronic still camera with slow-in, fast out memory addressing109US 4,903,132 AMitsubishi Denki Kabushiki Kaisha · 1990