H04N 21/6405
Multicasting
Official title: Multicasting {(data broadcast and multicast in packet switching networks H04L12/18)}
H04N21/6405 (Multicasting) appears on 1,344 US grants and 1,709 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,344
- Published applications
- 1,709
- Assignees
- 494
- Inventors
- 2,760
- Latest grant
- 25 Aug 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 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 4 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 4 |
| 2002 | 15 | 62 |
| 2003 | 6 | 31 |
| 2004 | 7 | 36 |
| 2005 | 9 | 47 |
| 2006 | 18 | 58 |
| 2007 | 18 | 85 |
| 2008 | 10 | 77 |
| 2009 | 35 | 118 |
| 2010 | 44 | 104 |
| 2011 | 64 | 109 |
| 2012 | 76 | 83 |
| 2013 | 94 | 104 |
| 2014 | 117 | 69 |
| 2015 | 108 | 97 |
| 2016 | 108 | 111 |
| 2017 | 101 | 80 |
| 2018 | 73 | 80 |
| 2019 | 98 | 61 |
| 2020 | 74 | 66 |
| 2021 | 52 | 44 |
| 2022 | 48 | 52 |
| 2023 | 42 | 34 |
| 2024 | 43 | 45 |
| 2025 | 38 | 32 |
| 2026 | 22 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Mixing and simulcasting extended reality content25 Aug 2026US 12,718,499 B2MXR Holdings LLC
- Method and device for distributing a multicast encryption key18 Aug 2026US 12,712,712 B2Koninklijke Philips N. V.
- Streamlined advertisement integration in multi-rail splicer systems18 Aug 2026US 12,713,076 B2Charter Communications Operating, LLC
- Low-latency content delivery over a public network11 Aug 2026US 12,707,120 B2Circle Computer Resources, Inc.
- Multicast assisted delivery4 Aug 2026US 12,701,302 B2British Telecommunications Public Ltd.Co.
- User-defined content streaming24 Sep 2026US 2026/0292280 A1Comcast Cable Communications, LLC
- Media data processing method and media data processing device17 Sep 2026US 2026/0281485 A1LG Electronics Inc.
- Video data transmission method and device, storage medium, and system17 Sep 2026US 2026/0281496 A1Cloud Intelligence Assets Holding (Singapore) Private Limited
- Reducing network bandwidth consumption of real-time broadcasts using generically encoded media objects30 Jul 2026US 2026/0222641 A1ViaSat, Inc.
- Targeted advertising in unicast, multicast and hybrid distribution system contexts30 Jul 2026US 2026/0222642 A1Invidi Technologies Corporation
Most cited
By later US patents
- Information distribution and processing system1,232US 7,181,758 B1Data Innovation LLC · 2007
- Network controller for cable television delivery systems1,167US 5,600,364 ADiscovery Communications, Inc. · 1997
- Targeted advertisement using television delivery systems916US 6,463,585 B1Discovery Communications, Inc. · 2002
- Method and apparatus for targeted advertising633US 6,738,978 B1Discovery Communications, Inc. · 2004
- Multicasting method and apparatus589US 5,778,187 ANetcast Communications Corp. · 1998