H04N 9/804
Involving pulse code modulation of the colour picture signal components
Official title: involving pulse code modulation of the colour picture signal components
H04N9/804 (Involving pulse code modulation of the colour picture signal components) appears on 7,304 US grants and 7,496 published applications in this corpus.
Search patents in H04N- Granted patents
- 7,304
- Published applications
- 7,496
- Assignees
- 957
- Inventors
- 8,499
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 7 | 0 |
| 1986 | 6 | 0 |
| 1987 | 10 | 0 |
| 1988 | 7 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 6 | 0 |
| 1992 | 17 | 0 |
| 1993 | 26 | 0 |
| 1994 | 39 | 0 |
| 1995 | 67 | 0 |
| 1996 | 124 | 0 |
| 1997 | 134 | 0 |
| 1998 | 235 | 0 |
| 1999 | 214 | 0 |
| 2000 | 214 | 0 |
| 2001 | 209 | 186 |
| 2002 | 271 | 533 |
| 2003 | 243 | 484 |
| 2004 | 264 | 647 |
| 2005 | 220 | 735 |
| 2006 | 333 | 804 |
| 2007 | 360 | 684 |
| 2008 | 377 | 652 |
| 2009 | 423 | 512 |
| 2010 | 500 | 370 |
| 2011 | 561 | 438 |
| 2012 | 530 | 251 |
| 2013 | 488 | 148 |
| 2014 | 349 | 185 |
| 2015 | 201 | 180 |
| 2016 | 164 | 157 |
| 2017 | 141 | 144 |
| 2018 | 145 | 89 |
| 2019 | 102 | 69 |
| 2020 | 85 | 63 |
| 2021 | 66 | 46 |
| 2022 | 40 | 46 |
| 2023 | 33 | 33 |
| 2024 | 39 | 17 |
| 2025 | 18 | 16 |
| 2026 | 11 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Digital cinema camera system for recording, editing and visualizing images8 Oct 2026US 2026/0313084 A1Silicon Imaging Corporation
- Electronic device, imaging device, image reproduction method, image reproduction program, recording medium with image reproduction program recorded thereupon, and image reproduction device24 Sep 2026US 2026/0292076 A1Nikon Corporation
- Information recording/reproducing apparatus20 Aug 2026US 2026/0245590 A1Maxell, Ltd.
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Most cited
By later US patents
- Multimedia time warping system1,079US 6,233,389 B1TiVo Inc. · 2001
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Gallery of videos set to an audio time line602US 9,854,219 B2Snap Inc. · 2017
- Optical disc having an area storing original and user chain information specifying at least part of a video object stored on the disc, and a computer program and recording apparatus for recording and editing the chain information540US 6,181,870 B2Matushita Electric Industrial Co., Ltd. · 2001
- Communication apparatus image processing apparatus communication method and image processing method540US 6,266,082 B1Canon Kabushiki Kaisha · 2001