H04Q 2213/13209
Isdn
H04Q2213/13209 (Isdn) appears on 1,272 US grants and 350 published applications in this corpus.
Search patents in H04Q- Granted patents
- 1,272
- Published applications
- 350
- Assignees
- 346
- Inventors
- 1,999
- Latest grant
- 6 Apr 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 3 | 0 |
| 1989 | 8 | 0 |
| 1990 | 6 | 0 |
| 1991 | 17 | 0 |
| 1992 | 10 | 0 |
| 1993 | 26 | 0 |
| 1994 | 31 | 0 |
| 1995 | 43 | 0 |
| 1996 | 79 | 0 |
| 1997 | 77 | 0 |
| 1998 | 128 | 0 |
| 1999 | 104 | 0 |
| 2000 | 81 | 0 |
| 2001 | 120 | 49 |
| 2002 | 117 | 81 |
| 2003 | 82 | 48 |
| 2004 | 63 | 45 |
| 2005 | 44 | 35 |
| 2006 | 58 | 13 |
| 2007 | 33 | 16 |
| 2008 | 28 | 12 |
| 2009 | 27 | 13 |
| 2010 | 19 | 8 |
| 2011 | 12 | 5 |
| 2012 | 16 | 9 |
| 2013 | 11 | 7 |
| 2014 | 7 | 3 |
| 2015 | 7 | 3 |
| 2016 | 5 | 2 |
| 2017 | 2 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Methods, systems and computer programs for enabling deep fiber access to a software defined network6 Apr 2021US 10,972,816 B2AT&T Intellectual Property I, L. P.
- Signaling for wireless communications20 Jun 2017US 9,686,790 B2Intel Corporation
- Method for using a base station to selectively utilize channels to support a plurality of communications4 Apr 2017US 9,614,610 B2InterDigital Technology Corporation
- Multi-detection of heartbeat to reduce error probability20 Dec 2016US 9,525,923 B2Intel Corporation
- Dynamic bandwidth allocation to transmit a wireless protocol across a code division multiple access (CDMA) radio link2 Aug 2016US 9,408,216 B2Intel Corporation
- Methods, systems and computer programs for enabling deep fiber access to a software defined network3 Dec 2020US 2020/0382852 A1AT&T Intellectual Property I, L. P.
- Method for using a base station to selectively utilize channels to support a plurality of communications8 Sep 2016US 2016/0261336 A1InterDigital Technology Corporation
- Signaling for wireless communications23 Jun 2016US 2016/0183256 A1Intel Corporation
- Signaling for wireless communications27 Aug 2015US 2015/0245352 A1Intel Corporation
- Method for using a base station to selectively utilize channels to support a plurality of communications13 Aug 2015US 2015/0230222 A1InterDigital Technology Corporation
Most cited
By later US patents
- 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
- Coaxial cable/twisted pair fed, integrated residence gateway controlled, set-top box537US 6,510,152 B1AT&T Corp. · 2003
- Methods of automatically rerouting an incoming telephone call placed over a network464US 5,274,700 AUnifi Communications Corporation · 1993
- Method and system for accessing multimedia data over public switched telephone network392US 5,802,283 ABell Atlantic Network Services, Inc. · 1998