H04N 19/1887
The unit being a variable length codeword
Official title: {the unit being a variable length codeword}
H04N19/1887 (The unit being a variable length codeword) appears on 186 US grants and 231 published applications in this corpus.
Search patents in H04N- Granted patents
- 186
- Published applications
- 231
- Assignees
- 74
- Inventors
- 289
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 0 | 4 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 2 | 2 |
| 2011 | 2 | 6 |
| 2012 | 1 | 5 |
| 2013 | 3 | 10 |
| 2014 | 12 | 15 |
| 2015 | 9 | 22 |
| 2016 | 12 | 18 |
| 2017 | 13 | 10 |
| 2018 | 18 | 9 |
| 2019 | 7 | 13 |
| 2020 | 13 | 8 |
| 2021 | 3 | 8 |
| 2022 | 14 | 26 |
| 2023 | 13 | 25 |
| 2024 | 21 | 24 |
| 2025 | 26 | 14 |
| 2026 | 13 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Video or image coding based on mapping of luma samples and scaling of chroma samples6 Oct 2026US 12,756,846 B2LG Electronics Inc.
- Point cloud coding and decoding methods, coder, decoder and storage medium1 Sep 2026US 12,726,657 B2Tencent Technology (Shenzhen) Company Limited
- Quantization level binarization in video coding2 Jun 2026US 12,647,565 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Merge mode with motion vector differences2 Jun 2026US 12,647,600 B2Beijing Dajia Internet Information Technology Co., Ltd.
- Streaming neural network video codec system and method2 Jun 2026US 12,647,616 B2Cisco Technology, Inc.
- Asynchronous readout encoding for event-based vision sensor8 Oct 2026US 2026/0313257 A1
- Image encoding method and apparatus, and image decoding method and apparatus10 Sep 2026US 2026/0270433 A1Hangzhou Hikvision Digital Technology Co., Ltd.
- Method, apparatus, and medium for video processing13 Aug 2026US 2026/0238823 A1Bytedance Inc.
- Systems and methods for wedge-based prediction mode signaling28 May 2026US 2026/0149834 A1Tencent America LLC
- Method, apparatus, and medium for visual data processing6 Nov 2025US 2025/0343917 A1Bytedance Inc.
Most cited
By later US patents
- Moving picture coding and/or decoding systems, and variable-length coding and/or decoding system111US 5,852,469 AKabushiki Kaisha Toshiba · 1998
- Content adaptive entropy coding of modes and reference types data for next generation video31US 9,609,330 B2Intel Corporation · 2017
- Method of video coding using prediction based on intra picture block copy28US 10,542,253 B2Hfi Innovation Inc. · 2020
- Signal reshaping approximation27US 10,080,026 B2Dolby Laboratories Licensing Corporation · 2018
- Content adaptive prediction and entropy coding of motion vectors for next generation video27US 9,762,911 B2Intel Corporation · 2017