H04N 9/808
Involving pulse code modulation of the composite colour video-signal
Official title: involving pulse code modulation of the composite colour video-signal
H04N9/808 (Involving pulse code modulation of the composite colour video-signal) appears on 185 US grants and 95 published applications in this corpus.
Search patents in H04N- Granted patents
- 185
- Published applications
- 95
- Assignees
- 39
- Inventors
- 192
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 6 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 7 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 6 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 6 | 0 |
| 1998 | 15 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 4 |
| 2002 | 0 | 12 |
| 2003 | 8 | 4 |
| 2004 | 7 | 6 |
| 2005 | 0 | 3 |
| 2006 | 4 | 6 |
| 2007 | 6 | 0 |
| 2008 | 2 | 17 |
| 2009 | 1 | 2 |
| 2010 | 21 | 0 |
| 2011 | 1 | 1 |
| 2012 | 0 | 2 |
| 2013 | 2 | 0 |
| 2014 | 14 | 18 |
| 2015 | 15 | 10 |
| 2016 | 1 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 2 |
| 2020 | 3 | 1 |
| 2021 | 3 | 2 |
| 2022 | 1 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Point cloud encoding device, point cloud decoding device, point cloud encoding method, point cloud decoding method, and program18 Nov 2025US 12,475,641 B2KDDI Research, Inc.
- Image processing device and method for operating image processing device13 Sep 2022US 11,445,160 B2Samsung Electronics Co., Ltd.
- Neighbor based signaling of intra prediction modes3 Aug 2021US 11,082,703 B2QUALCOMM Incorporated
- Compositing video signals and stripping composite video signal6 Jul 2021US 11,057,587 B2Hangzhou Hikvision Digital Technology Co., Ltd.
- Efficient skipping of data compression processes at computing devices26 Jan 2021US 10,902,546 B2Intel Corporation
- Point cloud encoding device, point cloud decoding device, point cloud encoding method, point cloud decoding method, and program26 Oct 2023US 2023/0345016 A1KDDI Research, Inc.
- Compositing video signals and stripping composite video signal4 Feb 2021US 2021/0037208 A1Hangzhou Hikvision Digital Technology Co., Ltd.
- Image processing device and method for operating image processing device21 Jan 2021US 2021/0021796 A1Samsung Electronics Co., Ltd.
- Neighbor based signaling of intra prediction modes18 Jun 2020US 2020/0195935 A1QUALCOMM Incorporated
- Image processing device and method for operating image processing device1 Aug 2019US 2019/0238817 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Information record medium, apparatus for recording the same and apparatus for reproducing the same175US 6,137,954 APioneer Electronic Corporation · 2000
- Information recording medium and apparatus and method for recording and reproducing information164US 5,596,564 AMatsushita Electric Industrial Co., Ltd. · 1997
- Multi-scene recording medium and apparatus for reproducing data therefrom136US 5,630,006 AKabushiki Kaisha Toshiba · 1997
- Information recording medium and apparatus and method for recording and reproducing information113US 5,642,338 AMatsushita Electric Industrial Co., Ltd. · 1997
- Audio and video digital recording and playback system91US 4,755,889 ACompuSonics Video Corporation · 1988