H04M 2203/5018
Initiating a conference during a two-party conversation, i.e. three-party service or three-way
Official title: Initiating a conference during a two-party conversation, i.e. three-party service or three-way call
H04M2203/5018 (Initiating a conference during a two-party conversation, i.e. three-party service or three-way) appears on 172 US grants and 149 published applications in this corpus.
Search patents in H04M- Granted patents
- 172
- Published applications
- 149
- Assignees
- 108
- Inventors
- 343
- Latest grant
- 8 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 7 | 12 |
| 2003 | 8 | 11 |
| 2004 | 3 | 7 |
| 2005 | 7 | 7 |
| 2006 | 8 | 7 |
| 2007 | 2 | 11 |
| 2008 | 4 | 4 |
| 2009 | 6 | 7 |
| 2010 | 3 | 8 |
| 2011 | 8 | 6 |
| 2012 | 8 | 3 |
| 2013 | 8 | 5 |
| 2014 | 7 | 7 |
| 2015 | 4 | 5 |
| 2016 | 8 | 9 |
| 2017 | 11 | 9 |
| 2018 | 9 | 7 |
| 2019 | 9 | 2 |
| 2020 | 7 | 5 |
| 2021 | 3 | 5 |
| 2022 | 8 | 4 |
| 2023 | 6 | 3 |
| 2024 | 1 | 1 |
| 2025 | 1 | 4 |
By publication year. Applications have been published since 2001.
Recent patents
- Transferring a phone call into a video conferencing session8 Jul 2025US 12,355,830 B2Zoom Communications, Inc.
- Notification of devices present in a communication session17 Sep 2024US 12,095,947 B2Zoom Video Communications, Inc.
- Method and system for automating conferencing in a communication session19 Dec 2023US 11,849,072 B2Vonage Business Inc.
- Method and system for elevating a phone call into a video conferencing session31 Oct 2023US 11,805,158 B2Zoom Video Communications, Inc.
- Communications network13 Jun 2023US 11,678,149 B2Metaswitch Networks Ltd.
- Telephony system and method of operating the same25 Sep 2025US 2025/0301028 A1British Telecommunications Public Ltd.Co.
- Merging A Phone Call Into An Existing Video Conference Session18 Sep 2025US 2025/0294066 A1Zoom Communications, Inc.
- Telephone conference system27 Feb 2025US 2025/0071210 A1SYSNA, Inc.
- Communication method and communication system6 Feb 2025US 2025/0047784 A1Honor Device Co., Ltd.
- Establishing An Active Session From Multiple Communication Requests12 Dec 2024US 2024/0414268 A1Zoom Video Communications, Inc.
Most cited
By later US patents
- 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
- 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
- Multimedia collaboration system arrangement for routing compressed AV signal through a participant site without decompressing the AV signal566US 5,689,641 AVicor Corporation · 1997
- Multimedia collaboration system504US 6,237,025 B1Collaboration Properties, Inc. · 2001
- Videoconferencing hardware411US 6,583,806 B2Collaboration Properties, Inc. · 2003