H04J 2203/0042
Ring
H04J2203/0042 (Ring) appears on 268 US grants and 132 published applications in this corpus.
Search patents in H04J- Granted patents
- 268
- Published applications
- 132
- Assignees
- 98
- Inventors
- 573
- Latest grant
- 12 Jun 2018
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 7 | 0 |
| 1995 | 10 | 0 |
| 1996 | 11 | 0 |
| 1997 | 7 | 0 |
| 1998 | 17 | 0 |
| 1999 | 4 | 0 |
| 2000 | 11 | 0 |
| 2001 | 20 | 7 |
| 2002 | 23 | 29 |
| 2003 | 22 | 26 |
| 2004 | 13 | 14 |
| 2005 | 21 | 19 |
| 2006 | 19 | 11 |
| 2007 | 12 | 7 |
| 2008 | 15 | 4 |
| 2009 | 14 | 3 |
| 2010 | 11 | 4 |
| 2011 | 5 | 3 |
| 2012 | 6 | 2 |
| 2013 | 8 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Protected ethernet ring with small form-factor pluggable devices12 Jun 2018US 9,998,225 B2Oe Solutions Co., Ltd.
- Redundancy for port extender chains29 May 2018US 9,984,028 B2ARRIS Enterprises LLC
- Optical transmission apparatus1 Dec 2015US 9,204,209 B2Fujitsu Limited
- Robust mesh transport network comprising conjoined rings7 Jan 2014US 8,625,411 B2Bay Microsystems, Inc.
- Sonet add/drop multiplexer with packet over sonet capability29 Oct 2013US 8,571,018 B2Fujitsu Limited
- Protected ethernet ring with small form-factor pluggable devices8 Feb 2018US 2018/0041277 A1Oe Solutions Co., Ltd.
- Redundancy for port extender chains5 May 2016US 2016/0124884 A1Brocade Communications Systems, Inc.
- Optical transmission apparatus3 Oct 2013US 2013/0259473 A1Fujitsu Limited
- Optical transport network decoupling using optical data unit and optical channel link aggregation groups (lags)21 Jun 2012US 2012/0155872 A1Verizon Patent and Licensing Inc.
- Graphic rendering of circuit positions10 May 2012US 2012/0116708 A1Verizon Patent and Licensing Inc.
Most cited
By later US patents
- Full service network having distributed architecture231US 6,041,056 ABell Atlantic Network Services, Inc. · 2000
- Full service network having distributed architecture223US 5,684,799 ABell Atlantic Network Services, Inc. · 1997
- Access subnetwork controller for video dial tone networks168US 5,677,905 ABell Atlantic Network Services, Inc. · 1997
- Method and apparatus for self-restoring and self-provisioning communication networks154US 4,956,835 AAlberta Telecommunications Research Centre · 1990
- Sonet ring subnetwork management method128US 5,412,652 ANEC Corporation Of America · 1995