H04N 21/2389
Multiplex stream processing
Official title: Multiplex stream processing, e.g. multiplex stream encrypting
H04N21/2389 (Multiplex stream processing) appears on 1,513 US grants and 1,514 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,513
- Published applications
- 1,514
- Assignees
- 417
- Inventors
- 2,030
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 14 | 0 |
| 2000 | 22 | 0 |
| 2001 | 37 | 29 |
| 2002 | 24 | 79 |
| 2003 | 47 | 74 |
| 2004 | 52 | 47 |
| 2005 | 25 | 51 |
| 2006 | 57 | 67 |
| 2007 | 45 | 98 |
| 2008 | 42 | 88 |
| 2009 | 46 | 95 |
| 2010 | 107 | 92 |
| 2011 | 85 | 94 |
| 2012 | 84 | 70 |
| 2013 | 85 | 47 |
| 2014 | 93 | 64 |
| 2015 | 80 | 76 |
| 2016 | 78 | 48 |
| 2017 | 54 | 47 |
| 2018 | 42 | 49 |
| 2019 | 57 | 36 |
| 2020 | 53 | 70 |
| 2021 | 65 | 50 |
| 2022 | 49 | 41 |
| 2023 | 53 | 41 |
| 2024 | 37 | 30 |
| 2025 | 30 | 16 |
| 2026 | 12 | 15 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Use of steganographically-encoded time information as basis to control implementation of dynamic content modification22 Sep 2026US 12,744,963 B2The Nielsen Company (US), LLC
- Multimedia on demand method, apparatus, system, computational storage drive and storage medium8 Sep 2026US 12,732,645 B2Samsung Electronics Co., Ltd.
- Attention based audio experience in streaming of live events25 Aug 2026US 12,720,130 B2Adeia Guides Inc.
- Synchronized interleaved watermarking25 Aug 2026US 12,720,133 B2Synamedia Limited
- Method of measuring network jitter18 Aug 2026US 12,712,796 B2ARRIS Enterprises LLC
- Use of Steganographically-Encoded Time Information as Basis to Control Implementation of Dynamic Content Modification1 Oct 2026US 2026/0303902 A1The Nielsen Company (US), LLC
- Distributed storage of content across storage subsystems24 Sep 2026US 2026/0292279 A1Comcast Cable Communications, LLC
- Methods and apparatus for affiliate interrupt detection17 Sep 2026US 2026/0281477 A1The Nielsen Company (US), LLC
- System for steganalysis detection of metadata in a video stream for providing real-time data16 Jul 2026US 2026/0203381 A1Bank of America Corporation
- Transmission device, transmission method, reception device, reception method, display device, and display method25 Jun 2026US 2026/0181194 A1Sony Group Corporation
Most cited
By later US patents
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- Computer system linked by using information in data objects1,131US 6,122,403 ADigimarc Corporation · 2000
- Terminal for suggesting programs offered on a television program delivery system1,065US 5,798,785 ADiscovery Communications, Inc. · 1998
- Television program delivery system971US 5,559,549 ADiscovery Communications, Inc. · 1996
- Watermark embedder and reader942US 6,614,914 B1Digimarc Corporation · 2003