H04N 21/6375
For requesting retransmission
Official title: for requesting retransmission {, e.g. of data packets lost or corrupted during transmission from server}(ARQ protocols H04L1/18; implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP] H04L69/16)
H04N21/6375 (For requesting retransmission) appears on 278 US grants and 333 published applications in this corpus.
Search patents in H04N- Granted patents
- 278
- Published applications
- 333
- Assignees
- 158
- Inventors
- 715
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 3 |
| 2002 | 1 | 10 |
| 2003 | 4 | 9 |
| 2004 | 2 | 16 |
| 2005 | 3 | 13 |
| 2006 | 8 | 10 |
| 2007 | 2 | 11 |
| 2008 | 4 | 16 |
| 2009 | 8 | 25 |
| 2010 | 10 | 19 |
| 2011 | 13 | 15 |
| 2012 | 21 | 20 |
| 2013 | 14 | 24 |
| 2014 | 23 | 13 |
| 2015 | 27 | 20 |
| 2016 | 15 | 13 |
| 2017 | 14 | 20 |
| 2018 | 10 | 11 |
| 2019 | 16 | 8 |
| 2020 | 18 | 13 |
| 2021 | 7 | 7 |
| 2022 | 9 | 9 |
| 2023 | 11 | 11 |
| 2024 | 14 | 10 |
| 2025 | 6 | 5 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for addressing a corrupted segment in a media asset11 Aug 2026US 12,707,121 B2Adeia Guides Inc.
- Video transmission system with physical layer retransmission and real-time transmission functions9 Jun 2026US 12,652,442 B2Norel Systems Limited
- Remote application controller21 Apr 2026US 12,610,110 B2DISH Network L.L.C.
- Transport protocol for anticipatory content12 Aug 2025US 12,388,569 B2Snappi, Inc.
- Packet processing of streaming content in a communications network13 May 2025US 12,301,692 B2Sandpiper CDN, LLC
- Data transmission method, apparatus, device, and system, and storage medium14 May 2026US 2026/0135811 A1Huawei Technologies Co., Ltd.
- Image transmission and reception system, non-transitory computer readable medium storing program, and image transmission and reception method12 Mar 2026US 2026/0074832 A1FUJIFILM Business Innovation Corp.
- Packet processing of streaming content in a communications network2 Oct 2025US 2025/0310418 A1Sandpiper CDN, LLC
- Livestream data transmission method, apparatus and system, device and medium2 Oct 2025US 2025/0310576 A1Beijing Bytedance Network Technology Co., Ltd.
- Systems and methods for addressing a corrupted segment in a media asset15 May 2025US 2025/0159291 A1Adeia Guides Inc.
Most cited
By later US patents
- System, device, and method for streaming a multimedia file317US 5,928,330 AMotorola, Inc. · 1999
- Device, system and method of real-time multimedia streaming299US 5,768,527 AMotorola, Inc. · 1998
- Methods and systems for forward error correction based loss recovery for interactive video transmission261US 6,421,387 B1North Carolina State University · 2002
- Decoder buffer for streaming video receiver and method of operation224US 6,629,318 B1Koninklijke Philips Electronics N. V. · 2003
- System and method of error control for interactive low-bit rate video transmission195US 6,104,757 ANorth Carolina State University · 2000