H04J 2203/0078
Support of n-isdn
Official title: Support of N-ISDN
H04J2203/0078 (Support of n-isdn) appears on 19 US grants and 10 published applications in this corpus.
Search patents in H04J- Granted patents
- 19
- Published applications
- 10
- Assignees
- 9
- Inventors
- 37
- Latest grant
- 30 Nov 2010
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 3 | 2 |
| 2005 | 0 | 0 |
| 2006 | 3 | 2 |
| 2007 | 2 | 2 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Secure ATM-based distributed virtual tandem switching system and method30 Nov 2010US 7,843,932 B2AT&T Labs, Inc.
- Mapping six (6) eight (8) mbit/s signals to a SONET frame5 Oct 2010US 7,809,022 B2Harris Corporation
- ATM-based distributed network switching system4 Dec 2007US 7,304,986 B2AT&T Labs, Inc.
- Fault tolerant virtual tandem switch5 Jun 2007US 7,227,837 B1AT&T Labs, Inc.
- Secure ATM-based distributed virtual tandem switching system and method14 Nov 2006US 7,136,378 B2SBC Technology Resources, Inc.
- Mapping Six (6) Eight (8) MBIT/S Signals to a Sonet Frame24 Apr 2008US 2008/0095194 A1Harris Corporation
- Fault tolerant atm-based distributed virtual tandem switching system and method13 Dec 2007US 2007/0286200 A1AT&T Labs, Inc.
- Secure atm-based distributed virtual tandem switching system and method11 Jan 2007US 2007/0008977 A1SBC Technology Resources, Inc.
- ATM-based distributed virtual tandem switching systme7 Dec 2006US 2006/0274732 A1SBC Technology Resources, Inc.
- ATM-based distributed network switching system7 Dec 2006US 2006/0274735 A1SBC Technology Resources, Inc.
Most cited
By later US patents
- Access to telecommunications networks in multi-service environment695US 5,610,910 ANorthern Telecom Limited · 1997
- Access to telecommunications networks in multi-service environment233US 5,828,666 ANorthern Telecom Limited · 1998
- ATM-based distributed virtual tandem switching system122US 6,169,735 ASBC Technology Resources, Inc. · 2001
- ATM-based distributed network switching system40US 6,765,903 B1SBC Technology Resources, Inc. · 2004
- Optical serial bus interface38US 5,594,576 AAlcatel Network Systems, Inc. · 1997