H04J 2203/0039
Topology
H04J2203/0039 (Topology) appears on 343 US grants and 153 published applications in this corpus.
Search patents in H04J- Granted patents
- 343
- Published applications
- 153
- Assignees
- 121
- Inventors
- 738
- Latest grant
- 30 Jul 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 14 | 0 |
| 1995 | 12 | 0 |
| 1996 | 21 | 0 |
| 1997 | 13 | 0 |
| 1998 | 27 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 24 | 9 |
| 2002 | 25 | 32 |
| 2003 | 23 | 31 |
| 2004 | 14 | 16 |
| 2005 | 21 | 19 |
| 2006 | 23 | 11 |
| 2007 | 14 | 8 |
| 2008 | 16 | 6 |
| 2009 | 14 | 4 |
| 2010 | 11 | 4 |
| 2011 | 7 | 4 |
| 2012 | 7 | 2 |
| 2013 | 8 | 1 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 2 | 1 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 2 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Service signal processing method and device30 Jul 2024US 12,052,057 B2Huawei Technologies Co., Ltd.
- Packet processing method and device21 Nov 2023US 11,824,963 B2Huawei Technologies Co., Ltd.
- Protection group superposition switching method, control apparatus, and optical communication device13 Apr 2021US 10,979,138 B2Sino-Telecom Technology Co., Inc.
- 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
- Service Signal Processing Method and Device24 Oct 2024US 2024/0356647 A1Huawei Technologies Co., Ltd.
- Service Signal Processing Method and Device28 Jul 2022US 2022/0239374 A1Huawei Technologies Co., Ltd.
- Packet processing method and device14 Apr 2022US 2022/0116486 A1Huawei Technologies Co., Ltd.
- Protection group superposition switching method, control apparatus, and optical communication device3 Dec 2020US 2020/0382209 A1Sino-Telecom Technology Co., Inc.
- Protected ethernet ring with small form-factor pluggable devices8 Feb 2018US 2018/0041277 A1Oe Solutions Co., Ltd.
Most cited
By later US patents
- Interactive information services control system642US 5,481,542 AScientific-Atlanta, Inc. · 1996
- System and method for distributing wireless communication signals over metropolitan telecommunication networks323US 6,785,558 B1LGC Wireless, Inc. · 2004
- Frequency agile broadband communications system258US 5,594,726 AScientific-Atlanta, Inc. · 1997
- Reverse path multiplexer for use in high speed data transmissions245US 6,137,793 ACOM21, Inc. · 2000
- Control system and operations system interface for a network element in an access system244US 5,608,720 AHubbell Incorporated · 1997