H04N 19/42
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
Official title: characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation (H04N19/635 takes precedence)
H04N19/42 (Methods or arrangements for coding, decoding, compressing or decompressing digital video signals) appears on 8,512 US grants and 9,527 published applications in this corpus.
Search patents in H04N- Granted patents
- 8,512
- Published applications
- 9,527
- Assignees
- 1,313
- Inventors
- 9,228
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 23 | 0 |
| 1993 | 18 | 0 |
| 1994 | 21 | 0 |
| 1995 | 52 | 0 |
| 1996 | 58 | 0 |
| 1997 | 101 | 0 |
| 1998 | 163 | 0 |
| 1999 | 149 | 0 |
| 2000 | 131 | 0 |
| 2001 | 130 | 55 |
| 2002 | 110 | 134 |
| 2003 | 128 | 203 |
| 2004 | 115 | 214 |
| 2005 | 132 | 244 |
| 2006 | 159 | 297 |
| 2007 | 118 | 303 |
| 2008 | 139 | 400 |
| 2009 | 151 | 428 |
| 2010 | 240 | 554 |
| 2011 | 288 | 272 |
| 2012 | 365 | 318 |
| 2013 | 322 | 372 |
| 2014 | 349 | 390 |
| 2015 | 320 | 396 |
| 2016 | 389 | 429 |
| 2017 | 426 | 435 |
| 2018 | 424 | 352 |
| 2019 | 458 | 381 |
| 2020 | 454 | 448 |
| 2021 | 351 | 456 |
| 2022 | 394 | 497 |
| 2023 | 444 | 563 |
| 2024 | 515 | 503 |
| 2025 | 481 | 494 |
| 2026 | 364 | 389 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Video codec buffer quantity reduction6 Oct 2026US 12,756,839 B2Apple Inc.
- Method for decoding video from video bitstream, method for encoding video, video decoder, and video encoder6 Oct 2026US 12,756,847 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Intra prediction method of chrominance block using luminance sample, and apparatus using same6 Oct 2026US 12,756,862 B2LG Electronics Inc.
- Image encoding, decoding method and device, coder-decoder6 Oct 2026US 12,756,869 B2Boe Technology Group Co., Ltd.
- Image processing method and image processing device for enhancing image processing efficiency29 Sep 2026US 12,750,502 B2Realtek Semiconductor Corp.
- Chunk based modular video processing8 Oct 2026US 2026/0312836 A1Clari Inc.
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313107 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313108 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313109 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313110 A1Industry Academy Cooperation Foundation of Sejong University
Most cited
By later US patents
- Synchronous network for digital media streams2,236US 6,611,537 B1Centillium Communications, Inc. · 2003
- Pixel interpolation filters for video decompression processor462US 5,638,128 AGeneral Instrument Corporation of Delaware · 1997
- Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback444US 4,302,775 ACompression Labs, Inc. · 1981
- Recording medium on which a data containing navigation data is recorded, a method and apparatus for reproducing a data according to navigation data, a method and apparatus for recording a data containing navigation data on a recording342US 5,870,523 AKabushiki Kaisha Toshiba · 1999
- Digital television system334US 5,526,051 ATexas Instruments Incorporated · 1996