H04N 7/15
Conference systems
H04N7/15 (Conference systems) appears on 7,698 US grants and 8,534 published applications in this corpus.
Search patents in H04N- Granted patents
- 7,698
- Published applications
- 8,534
- Assignees
- 1,683
- Inventors
- 12,610
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 8 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 15 | 0 |
| 1995 | 25 | 0 |
| 1996 | 74 | 0 |
| 1997 | 66 | 0 |
| 1998 | 98 | 0 |
| 1999 | 95 | 0 |
| 2000 | 49 | 0 |
| 2001 | 63 | 24 |
| 2002 | 59 | 76 |
| 2003 | 53 | 77 |
| 2004 | 48 | 115 |
| 2005 | 33 | 149 |
| 2006 | 62 | 132 |
| 2007 | 49 | 148 |
| 2008 | 63 | 182 |
| 2009 | 85 | 176 |
| 2010 | 102 | 186 |
| 2011 | 110 | 257 |
| 2012 | 226 | 316 |
| 2013 | 286 | 400 |
| 2014 | 382 | 485 |
| 2015 | 454 | 522 |
| 2016 | 591 | 508 |
| 2017 | 524 | 450 |
| 2018 | 432 | 415 |
| 2019 | 420 | 371 |
| 2020 | 464 | 401 |
| 2021 | 431 | 433 |
| 2022 | 457 | 582 |
| 2023 | 485 | 687 |
| 2024 | 490 | 648 |
| 2025 | 526 | 492 |
| 2026 | 325 | 302 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Video transmission method, conferencing system, and storage media6 Oct 2026US 12,756,794 B2Guangzhou Shizhen Information Technology Co., Ltd.
- Calibrating a physical space for multi-camera video stream selection for in-person conference participants6 Oct 2026US 12,756,795 B2Zoom Communications, Inc.
- Syntax and semantics for buffering information to simplify video splicing6 Oct 2026US 12,756,853 B2Microsoft Technology Licensing, LLC
- Syntax and semantics for buffering information to simplify video splicing6 Oct 2026US 12,756,854 B2Microsoft Technology Licensing, LLC
- Syntax and semantics for buffering information to simplify video splicing6 Oct 2026US 12,756,855 B2Microsoft Technology Licensing, LLC
- User Interface for Displaying Key Participants in a Conference8 Oct 2026US 2026/0313069 A1Zoom Communications, Inc.
- Ephemeral content in video conferences8 Oct 2026US 2026/0313071 A1Zoom Communications, Inc.
- Systems, devices, and methods for live-streaming video and audio8 Oct 2026US 2026/0313072 A1
- Reusable virtual conference space8 Oct 2026US 2026/0313073 A1Avaya Management L.P.
- Spatial chat view8 Oct 2026US 2026/0313074 A1Zoom Communications, Inc.
Most cited
By later US patents
- System for allowing user of any computer to draw image over that generated by the host computer and replicating the drawn image to other computers2,300US 5,649,104 ANCR Corporation · 1997
- Collaboration system for producing copies of image generated by first program on first computer on other computers and annotating the image by second program2,212US 5,819,038 ANCR Corporation · 1998
- Telepresence robot with a camera boom1,347US 8,996,165 B2Intouch Technologies, Inc. · 2015
- PSTN architecture for video-on-demand services963US 5,247,347 ABell Atlantic Network Services, Inc. · 1993
- Animated electronic meeting place947US 5,347,306 AMitsubishi Electric Research Laboratories, Inc. · 1994