H04M 3/567
Multimedia conference systems
Official title: {Multimedia conference systems}
H04M3/567 (Multimedia conference systems) appears on 1,680 US grants and 1,646 published applications in this corpus.
Search patents in H04M- Granted patents
- 1,680
- Published applications
- 1,646
- Assignees
- 551
- Inventors
- 2,930
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 32 | 0 |
| 1997 | 27 | 0 |
| 1998 | 38 | 0 |
| 1999 | 32 | 0 |
| 2000 | 17 | 0 |
| 2001 | 24 | 9 |
| 2002 | 30 | 66 |
| 2003 | 14 | 69 |
| 2004 | 29 | 65 |
| 2005 | 29 | 78 |
| 2006 | 41 | 35 |
| 2007 | 32 | 48 |
| 2008 | 35 | 72 |
| 2009 | 33 | 41 |
| 2010 | 46 | 43 |
| 2011 | 41 | 50 |
| 2012 | 63 | 65 |
| 2013 | 73 | 124 |
| 2014 | 110 | 99 |
| 2015 | 133 | 120 |
| 2016 | 108 | 108 |
| 2017 | 114 | 86 |
| 2018 | 84 | 81 |
| 2019 | 87 | 51 |
| 2020 | 84 | 61 |
| 2021 | 66 | 76 |
| 2022 | 59 | 44 |
| 2023 | 43 | 59 |
| 2024 | 50 | 52 |
| 2025 | 41 | 26 |
| 2026 | 25 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Context-dependent in-call video codec switching29 Sep 2026US 12,750,251 B2Google Inc.
- System for requesting emergency service in an online collaboration context22 Sep 2026US 12,744,847 B2Microsoft Technology Licensing, LLC
- Masking video feedback loop during screen sharing8 Sep 2026US 12,732,593 B2RingCentral, Inc.
- Split applications in a multi-user communication session25 Aug 2026US 12,718,424 B1Apple Inc.
- Transcribing interactive voice response menu options to generate visualizations during a call18 Aug 2026US 12,712,971 B2Zoom Communications, Inc.
- Transmission management apparatus1 Oct 2026US 2026/0303755 A1Ricoh Company, Ltd.
- Representations of participants in real-time communication sessions30 Jul 2026US 2026/0220865 A1Apple Inc.
- Multi-Profile Detection Of Inauthentic Communication Session Participants30 Jul 2026US 2026/0222491 A1Zoom Communications, Inc.
- Congestion Management Using Per Data Type Packet Queues in Virtual Desktop Infrastructure9 Jul 2026US 2026/0195165 A1Zoom Communications, Inc.
- Systems and methods for providing real-time composite video from multiple source devices featuring augmented reality elements9 Jul 2026US 2026/0196005 A1
Most cited
By later US patents
- Distributed system to intelligently establish sessions between anonymous users over various networks1,052US 6,564,261 B1Telefonaktiebolaget LM Ericsson (publ) · 2003
- Multimedia collaboration system with separate data network and A/V network controlled by information transmitting on the data network741US 5,617,539 AVicor Corporation · 1997
- Method apparatus and business system for online communications with online and offline recipients669US 7,644,122 B22010
- Audiographics conferencing arrangement635US 4,953,159 AAmerican Telephone and Telegraph Company · 1990
- Call control in video conferencing allowing acceptance and identification of participants in a new incoming call during an active teleconference595US 5,758,079 AVicor Corporation · 1998