H04N 21/42623
Involving specific decryption arrangements
Official title: {involving specific decryption arrangements}
H04N21/42623 (Involving specific decryption arrangements) appears on 189 US grants and 219 published applications in this corpus.
Search patents in H04N- Granted patents
- 189
- Published applications
- 219
- Assignees
- 113
- Inventors
- 395
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 6 | 3 |
| 2003 | 4 | 9 |
| 2004 | 0 | 7 |
| 2005 | 1 | 8 |
| 2006 | 6 | 12 |
| 2007 | 1 | 20 |
| 2008 | 3 | 5 |
| 2009 | 6 | 9 |
| 2010 | 8 | 8 |
| 2011 | 5 | 5 |
| 2012 | 8 | 5 |
| 2013 | 6 | 4 |
| 2014 | 10 | 19 |
| 2015 | 15 | 19 |
| 2016 | 20 | 28 |
| 2017 | 13 | 11 |
| 2018 | 21 | 10 |
| 2019 | 11 | 7 |
| 2020 | 7 | 7 |
| 2021 | 7 | 5 |
| 2022 | 7 | 5 |
| 2023 | 4 | 5 |
| 2024 | 4 | 4 |
| 2025 | 4 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Secure enhancement decoding within protected execution environments16 Jun 2026US 12,659,544 B2V-Nova International Limited
- Apparatus, methods, and systems for pre-authentication, keep-authentication, and regain-authentication14 Oct 2025US 12,445,421 B2Analog Devices, Inc.
- Video processing system for demultiplexing received compressed and non-compressed video signals and transmitting demultiplexed signals29 Jul 2025US 12,375,748 B2Maxell, Ltd.
- Set-top box for changing channels and system and method for use of same13 May 2025US 12,301,934 B2Enseo, LLC
- Method and system for secure over-the-top live video delivery4 Mar 2025US 12,244,881 B2Telefonaktiebolaget LM Ericsson (publ)
- Conditional access system based audience measurement13 Aug 2026US 2026/0238851 A1Nagravision Sarl
- Electronic device that encrypts image6 Nov 2025US 2025/0343673 A1LG Electronics Inc.
- Method and system for secure over-the-top live video delivery5 Jun 2025US 2025/0184553 A1Telefonaktiebolaget LM Ericsson (publ)
- Secure enhancement decoding implementation26 Dec 2024US 2024/0430517 A1V-Nova International Limited
- Accelerating the Processing of a Stream of Media Data Using a Client Media Engine28 Nov 2024US 2024/0397073 A1Microsoft Technology Licensing, LLC
Most cited
By later US patents
- Audio and video decoder circuit and system203US 6,369,855 B1Texas Instruments Incorporated · 2002
- Apparatus and method for demultiplexing of transport stream161US 6,970,482 B2Samsung Electronics Co., Ltd. · 2005
- Programmable interrupt controller with interrupt set/reset register and dynamically alterable interrupt mask for a single interrupt processor132US 6,263,396 B1Texas Instruments Incorporated · 2001
- Conditional access filter as for a packet video signal inverse transport system63US 5,619,501 AThomson Consumer Electronics, Inc. · 1997
- Enhancing smart card usage for associating media content with households63US 7,124,938 B1Microsoft Corporation · 2006