H04N 19/30
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
Official title: using hierarchical techniques, e.g. scalability (H04N19/63 takes precedence)
H04N19/30 (Methods or arrangements for coding, decoding, compressing or decompressing digital video signals) appears on 6,451 US grants and 7,361 published applications in this corpus.
Search patents in H04N- Granted patents
- 6,451
- Published applications
- 7,361
- Assignees
- 928
- Inventors
- 5,556
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 9 | 0 |
| 1989 | 7 | 0 |
| 1990 | 9 | 0 |
| 1991 | 24 | 0 |
| 1992 | 46 | 0 |
| 1993 | 48 | 0 |
| 1994 | 43 | 0 |
| 1995 | 55 | 0 |
| 1996 | 66 | 0 |
| 1997 | 68 | 0 |
| 1998 | 97 | 0 |
| 1999 | 88 | 0 |
| 2000 | 77 | 0 |
| 2001 | 64 | 26 |
| 2002 | 65 | 94 |
| 2003 | 68 | 115 |
| 2004 | 57 | 113 |
| 2005 | 61 | 135 |
| 2006 | 85 | 190 |
| 2007 | 56 | 237 |
| 2008 | 65 | 173 |
| 2009 | 66 | 238 |
| 2010 | 102 | 183 |
| 2011 | 111 | 179 |
| 2012 | 204 | 206 |
| 2013 | 243 | 257 |
| 2014 | 254 | 469 |
| 2015 | 207 | 482 |
| 2016 | 293 | 393 |
| 2017 | 378 | 321 |
| 2018 | 372 | 334 |
| 2019 | 415 | 311 |
| 2020 | 397 | 316 |
| 2021 | 306 | 439 |
| 2022 | 340 | 495 |
| 2023 | 394 | 474 |
| 2024 | 460 | 439 |
| 2025 | 464 | 397 |
| 2026 | 273 | 345 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 19/33In the spatial domain1,543
- H04N 19/31In the temporal domain1,046
- H04N 19/36Scalability techniques involving formatting the layers as a function of picture distortion509
- H04N 19/34Scalability techniques involving progressive bit-plane based encoding of the enhancement layer463
- H04N 19/37With arrangements for assigning different transmission priorities to video input data or377
- H04N 19/39Involving multiple description coding [mdc], i.e. with separate layers being structured as335
- H04N 19/395Involving distributed video coding [dvc]85
Recent patents
- Data processing method for point cloud media, and related device6 Oct 2026US 12,755,434 B2Tencent Technology (Shenzhen) Company Limited
- Method and apparatus for reconstructing image using image partitioning with rotation information6 Oct 2026US 12,756,821 B2B1 Institute of Image Technology, Inc.
- Predictive motion vector coding6 Oct 2026US 12,756,837 B2Dolby Laboratories Licensing Corporation
- Inter prediction method and apparatus29 Sep 2026US 12,750,475 B2Huawei Technologies Co., Ltd.
- Beta scale dynamic display mapping29 Sep 2026US 12,750,504 B2Dolby Laboratories Licensing Corporation
- Image encoding/decoding method and device8 Oct 2026US 2026/0313094 A1B1 Institute of Image Technology, Inc.
- Image encoding/decoding method and device8 Oct 2026US 2026/0313095 A1B1 Institute of Image Technology, Inc.
- Image encoding/decoding method and device8 Oct 2026US 2026/0313096 A1B1 Institute of Image Technology, Inc.
- Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device8 Oct 2026US 2026/0313164 A1Panasonic Intellectual Property Corporation of America
- Systems and methods for dynamically adjusting schemes for encoding live video streams in response to changes in video complexity1 Oct 2026US 2026/0303822 A1
Most cited
By later US patents
- Secure spread spectrum watermarking for multimedia data664US 5,930,369 ANEC Research Institute, Inc. · 1999
- System for adaptive video/audio transport over a network627US 6,014,694 ACitrix Systems, Inc. · 2000
- Electronic still camera providing multi-format storage of full and reduced resolution images544US 5,164,831 AEastman Kodak Company · 1992
- Digital video recorder compatible receiver with trick play image enhancement527US 5,377,051 AHitachi America, Ltd. · 1994
- Moving image compression quality enhancement using displacement filters with negative lobes497US 6,728,317 B1Dolby Laboratories Licensing Corporation · 2004