H04N 21/438
Interfacing the downstream path of the transmission network originating from a server
Official title: Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
H04N21/438 (Interfacing the downstream path of the transmission network originating from a server) appears on 5,945 US grants and 6,762 published applications in this corpus.
Search patents in H04N- Granted patents
- 5,945
- Published applications
- 6,762
- Assignees
- 1,233
- Inventors
- 8,477
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 12 | 0 |
| 1993 | 16 | 0 |
| 1994 | 16 | 0 |
| 1995 | 35 | 0 |
| 1996 | 50 | 0 |
| 1997 | 48 | 0 |
| 1998 | 69 | 0 |
| 1999 | 79 | 0 |
| 2000 | 76 | 0 |
| 2001 | 106 | 64 |
| 2002 | 83 | 231 |
| 2003 | 108 | 196 |
| 2004 | 126 | 235 |
| 2005 | 74 | 305 |
| 2006 | 152 | 352 |
| 2007 | 130 | 462 |
| 2008 | 153 | 446 |
| 2009 | 210 | 496 |
| 2010 | 313 | 448 |
| 2011 | 351 | 344 |
| 2012 | 381 | 291 |
| 2013 | 391 | 288 |
| 2014 | 456 | 324 |
| 2015 | 372 | 383 |
| 2016 | 308 | 342 |
| 2017 | 294 | 310 |
| 2018 | 279 | 224 |
| 2019 | 252 | 192 |
| 2020 | 216 | 180 |
| 2021 | 177 | 176 |
| 2022 | 184 | 143 |
| 2023 | 133 | 129 |
| 2024 | 142 | 97 |
| 2025 | 88 | 68 |
| 2026 | 39 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for causing a user to view secondary content that relates to a media asset from which a user has switched away22 Sep 2026US 12,744,948 B2Adeia Guides Inc.
- Systems and methods for client-based addressable advertising15 Sep 2026US 12,739,459 B2Adeia Media Holdings LLC
- Reception device, reception method, transmission device, and transmission method8 Sep 2026US 12,732,648 B2Saturn Licensing LLC
- Multi-interface streaming media system1 Sep 2026US 12,726,673 B2Roku, Inc.
- Quicker startup18 Aug 2026US 12,713,075 B2DISH Network Technologies India Private Limited
- Control Information for a Wirelessly-Transmitted Data Stream1 Oct 2026US 2026/0303891 A1HyperX Holdings LLC
- digital contents receiving apparatus1 Oct 2026US 2026/0303892 A1NL Giken Incorporated
- Streaming system, streaming method, storage medium, and in-vehicle apparatus1 Oct 2026US 2026/0303893 A1Honda Motor Co., Ltd.
- Method and tuner controller for closed-loop antenna tuning based on calibration data and relative transducer gain maximization10 Sep 2026US 2026/0270499 A1Mediatek Inc.
- Shoe with Knit Upper Having Thermoplastic Yarn Regions13 Aug 2026US 2026/0232066 A1Cole Haan LLC
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
- Method and apparatus for providing demographically targeted television commercials998US 5,155,591 AGeneral Instrument Corporation · 1992
- Television program delivery system971US 5,559,549 ADiscovery Communications, Inc. · 1996
- Targeted advertisement using television delivery systems916US 6,463,585 B1Discovery Communications, Inc. · 2002