H04Q 2213/13337
Picturephone, videotelephony
H04Q2213/13337 (Picturephone, videotelephony) appears on 253 US grants and 95 published applications in this corpus.
Search patents in H04Q- Granted patents
- 253
- Published applications
- 95
- Assignees
- 92
- Inventors
- 418
- Latest grant
- 20 Nov 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 8 | 0 |
| 1995 | 4 | 0 |
| 1996 | 34 | 0 |
| 1997 | 22 | 0 |
| 1998 | 26 | 0 |
| 1999 | 25 | 0 |
| 2000 | 12 | 0 |
| 2001 | 13 | 3 |
| 2002 | 14 | 16 |
| 2003 | 17 | 9 |
| 2004 | 7 | 13 |
| 2005 | 9 | 7 |
| 2006 | 6 | 5 |
| 2007 | 4 | 3 |
| 2008 | 8 | 17 |
| 2009 | 6 | 4 |
| 2010 | 7 | 5 |
| 2011 | 7 | 1 |
| 2012 | 3 | 4 |
| 2013 | 3 | 1 |
| 2014 | 2 | 0 |
| 2015 | 1 | 2 |
| 2016 | 5 | 3 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Multiple subscriber videoconferencing system20 Nov 2018US 10,135,889 B2Margalla Communications, Inc.
- Video over LTE data usage metering21 Nov 2017US 9,826,380 B1T-Mobile USA, Inc.
- Interactive educational system and method22 Nov 2016US 9,501,948 B1
- Interactive educational system and method16 Aug 2016US 9,419,938 B2
- Multiple subscriber videoconferencing system16 Aug 2016US 9,419,939 B2Margalla Communications, Inc.
- Multiple subscriber videoconferencing system24 Jan 2019US 2019/0028521 A1
- Portable Device for Multi-Stream Video Recording6 Dec 2018US 2018/0352253 A1Waylens, Inc.
- Multiple Subscriber Videoconferencing System17 Nov 2016US 2016/0337418 A1Margalla Communications, Inc.
- Interactive educational system and method3 Nov 2016US 2016/0321944 A1
- Multiple Subscriber Videoconferencing System25 Feb 2016US 2016/0057104 A1Margalla Communications, Inc.
Most cited
By later US patents
- Unified messaging system and method1,307US 5,608,786 AAlphanet Telecom Inc. · 1997
- PSTN architecture for video-on-demand services963US 5,247,347 ABell Atlantic Network Services, Inc. · 1993
- Video-on-demand services using public switched telephone network900US 5,410,343 ABell Atlantic Network Services, Inc. · 1995
- 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
- System for selective communication connection based on transaction pricing signals599US 5,802,502 ABritish Telecommunications Public Ltd.Co. · 1998