H04Q 2213/38
Interexchange connections
Official title: Interexchange connections, e.g. connections of different kinds of networks
H04Q2213/38 (Interexchange connections) appears on 17 US grants and 2 published applications in this corpus.
Search patents in H04Q- Granted patents
- 17
- Published applications
- 2
- Assignees
- 12
- Inventors
- 24
- Latest grant
- 19 Sep 2006
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 5 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Facsimile system19 Sep 2006US 7,110,134 B2Canon Kabushiki Kaisha
- Facsimile system19 Aug 2003US 6,608,696 B1Canon Kabushiki Kaisha
- Facsimile system5 Dec 2000US 6,157,463 ACanon Kabushiki Kaisha
- Circuit arrangement for integration of EDP systems in the utilization of telephone systems20 May 1997US 5,631,953 ACSB-System Software -Entwicklung & Unternehmungsberatung GmbH
- Communications signaling protocols16 Apr 1996US 5,509,010 AAT&T Corp.
Most cited
By later US patents
- Communications signaling protocols192US 5,509,010 AAT&T Corp. · 1996
- Method for controlling a terminal equipment coupled to an integrated services digital network and a terminal equipment based on the same60US 4,961,185 ARicoh Company, Ltd. · 1990
- Method and system for billing an ISDN data user interconnection to the public switched telephone network60US 5,351,286 ABell Communications Research, Inc. · 1994
- System for access from LAN to ISDN with means for changing between use of packet switch and line switch without interruption of data transmission46US 5,347,516 ANEC Corporation · 1994
- Communications system for an ISDN and a LAN, and an ISDN-LAN connection terminal32US 5,400,335 ARicoh Company, Ltd. · 1995