H04N 21/440218
By transcoding between formats or standards
Official title: {by transcoding between formats or standards, e.g. from MPEG-2 to MPEG-4 (conversion of standards in analogue television systems H04N7/01)}
H04N21/440218 (By transcoding between formats or standards) appears on 721 US grants and 952 published applications in this corpus.
Search patents in H04N- Granted patents
- 721
- Published applications
- 952
- Assignees
- 339
- Inventors
- 1,460
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 5 | 0 |
| 1999 | 0 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 7 |
| 2002 | 13 | 25 |
| 2003 | 4 | 30 |
| 2004 | 21 | 42 |
| 2005 | 13 | 48 |
| 2006 | 21 | 90 |
| 2007 | 20 | 48 |
| 2008 | 19 | 40 |
| 2009 | 27 | 39 |
| 2010 | 29 | 37 |
| 2011 | 29 | 35 |
| 2012 | 20 | 43 |
| 2013 | 31 | 49 |
| 2014 | 36 | 41 |
| 2015 | 44 | 50 |
| 2016 | 50 | 48 |
| 2017 | 49 | 42 |
| 2018 | 45 | 42 |
| 2019 | 38 | 29 |
| 2020 | 28 | 35 |
| 2021 | 25 | 26 |
| 2022 | 37 | 38 |
| 2023 | 34 | 28 |
| 2024 | 29 | 22 |
| 2025 | 25 | 11 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Emotion recognition for workforce analytics18 Aug 2026US 12,711,451 B2Snap Inc.
- Systems and methods for real-time adaptive bitrate transcoding and transmission of transcoded media18 Aug 2026US 12,713,077 B2Adeia Guides Inc.
- Broadcast receiving apparatus, broadcast receiving method, and contents outputting method28 Jul 2026US 12,695,938 B2Maxell, Ltd.
- Method, system and apparatus for multimedia content delivery to cable TV and satellite operators28 Jul 2026US 12,695,941 B2
- Methods and apparatuses for converting film grain metadata26 May 2026US 12,641,299 B2InterDigital CE Patent Holdings, SAS
- System and method for transcoding media stream6 Aug 2026US 2026/0230658 A1Resi Media LLC
- System and method for converting adaptive stream to downloadable media30 Jul 2026US 2026/0222631 A1Resi Media LLC
- Method of video resource management and apparatus, electronic device and storage medium2 Jul 2026US 2026/0189756 A1Beijing Zitiao Network Technology Co., Ltd.
- Method for audio and video just-in-time transcoding with command frames25 Jun 2026US 2026/0181211 A1Mux, Inc.
- Video enhancement method and apparatus, server, and terminal device4 Jun 2026US 2026/0156320 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Method and system for providing targeted advertisements877US 6,718,551 B1BellSouth Intellectual Property Corporation · 2004
- Method for effectively implementing a wireless television system643US 6,263,503 B12001
- Transcoding media system301US 7,505,889 B2Zoran Corporation · 2009
- Extended connectivity point-of-deployment apparatus and concomitant method thereof230US 8,887,212 B22014
- Video converter and computer program for executing said video converter223US 7,212,570 B2Hitachi, Ltd. · 2007