H04N 21/4385
Multiplex stream processing
Official title: Multiplex stream processing, e.g. multiplex stream decrypting
H04N21/4385 (Multiplex stream processing) appears on 796 US grants and 813 published applications in this corpus.
Search patents in H04N- Granted patents
- 796
- Published applications
- 813
- Assignees
- 273
- Inventors
- 1,393
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 13 | 11 |
| 2002 | 7 | 30 |
| 2003 | 18 | 40 |
| 2004 | 18 | 32 |
| 2005 | 10 | 29 |
| 2006 | 33 | 50 |
| 2007 | 17 | 67 |
| 2008 | 22 | 52 |
| 2009 | 27 | 67 |
| 2010 | 70 | 55 |
| 2011 | 56 | 44 |
| 2012 | 50 | 50 |
| 2013 | 63 | 33 |
| 2014 | 79 | 31 |
| 2015 | 45 | 44 |
| 2016 | 43 | 32 |
| 2017 | 35 | 29 |
| 2018 | 28 | 22 |
| 2019 | 25 | 10 |
| 2020 | 21 | 21 |
| 2021 | 17 | 18 |
| 2022 | 18 | 15 |
| 2023 | 10 | 15 |
| 2024 | 14 | 8 |
| 2025 | 8 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display apparatus11 Aug 2026US 12,706,067 B2Maxell, Ltd.
- Secure enhancement decoding within protected execution environments16 Jun 2026US 12,659,544 B2V-Nova International Limited
- Sensor device and encryption method10 Feb 2026US 12,549,334 B2Sony Group Corporation
- Full motion video (FMV) routing in one-way transfer systems using modified elementary streams13 Jan 2026US 12,526,472 B2Microsoft Technology Licensing, LLC
- Display control method and display control apparatus, video processing apparatus, and display system25 Nov 2025US 12,483,751 B2Beijing BOE Technology Development Co., Ltd.
- Conditional access system based audience measurement13 Aug 2026US 2026/0238851 A1Nagravision Sarl
- Systems and methods for dynamic cross-profile management and offline media caching in streaming services11 Jun 2026US 2026/0164069 A1
- Content viewing method and mobile information terminal used for same8 Jan 2026US 2026/0012673 A1Maxell, Ltd.
- Display apparatus31 Jul 2025US 2025/0246165 A1Maxell, Ltd.
- Substitution method of at least one portion of a video stream and video receiver implementing the method17 Apr 2025US 2025/0126319 A1
Most cited
By later US patents
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- 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
- Targeted advertisement using television delivery systems916US 6,463,585 B1Discovery Communications, Inc. · 2002
- Signal processing apparatus and methods832US 4,694,490 A1987