H04N 19/96
Tree coding
Official title: Tree coding, e.g. quad-tree coding
H04N19/96 (Tree coding) appears on 3,360 US grants and 4,370 published applications in this corpus.
Search patents in H04N- Granted patents
- 3,360
- Published applications
- 4,370
- Assignees
- 369
- Inventors
- 1,647
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 8 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 1 |
| 2002 | 6 | 5 |
| 2003 | 8 | 10 |
| 2004 | 3 | 12 |
| 2005 | 7 | 12 |
| 2006 | 8 | 11 |
| 2007 | 8 | 8 |
| 2008 | 5 | 5 |
| 2009 | 7 | 8 |
| 2010 | 8 | 16 |
| 2011 | 15 | 47 |
| 2012 | 22 | 62 |
| 2013 | 32 | 99 |
| 2014 | 62 | 147 |
| 2015 | 102 | 198 |
| 2016 | 105 | 158 |
| 2017 | 141 | 124 |
| 2018 | 151 | 149 |
| 2019 | 169 | 201 |
| 2020 | 223 | 302 |
| 2021 | 247 | 518 |
| 2022 | 376 | 482 |
| 2023 | 381 | 425 |
| 2024 | 492 | 491 |
| 2025 | 414 | 477 |
| 2026 | 300 | 402 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method, apparatus and system for encoding and decoding a transformed block of video samples6 Oct 2026US 12,756,826 B2Canon Kabushiki Kaisha
- Image encoding method/device, image decoding method/device, and recording medium in which bitstream is stored6 Oct 2026US 12,756,829 B2Industry Academy Cooperation Foundation of Sejong University
- Transform-based image coding method, and apparatus therefor6 Oct 2026US 12,756,845 B2LG Electronics Inc.
- Video or image coding based on mapping of luma samples and scaling of chroma samples6 Oct 2026US 12,756,846 B2LG Electronics 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.
- Three-dimensional data encoding method, three-dimensional data decoding method, three-dimensional data encoding device, and three-dimensional data decoding device8 Oct 2026US 2026/0311381 A1Panasonic Intellectual Property Corporation of America
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313129 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313130 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313131 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313132 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- System and method for transmitting a digital image over a communication network277US 6,314,452 B1RTImage, Ltd. · 2001
- Adaptive block size image compression method and system266US 5,107,345 AQUALCOMM Incorporated · 1992
- Data compression system including successive approximation quantizer240US 5,321,776 AGeneral Electric Company · 1994
- Image encoding by vector quantization of regions of an image and codebook updates219US 5,822,465 AApple Computer, Inc. · 1998
- Adaptive block size image compression method and system209US 5,452,104 AQUALCOMM Incorporated · 1995