H04J 2203/0051
Network node interface
Official title: Network Node Interface, e.g. tandem connections, transit switching
H04J2203/0051 (Network node interface) appears on 190 US grants and 138 published applications in this corpus.
Search patents in H04J- Granted patents
- 190
- Published applications
- 138
- Assignees
- 66
- Inventors
- 402
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 7 | 0 |
| 1999 | 9 | 0 |
| 2000 | 6 | 0 |
| 2001 | 6 | 5 |
| 2002 | 9 | 17 |
| 2003 | 9 | 14 |
| 2004 | 8 | 13 |
| 2005 | 9 | 14 |
| 2006 | 10 | 7 |
| 2007 | 6 | 8 |
| 2008 | 17 | 6 |
| 2009 | 13 | 3 |
| 2010 | 13 | 2 |
| 2011 | 6 | 2 |
| 2012 | 3 | 2 |
| 2013 | 3 | 6 |
| 2014 | 1 | 6 |
| 2015 | 8 | 4 |
| 2016 | 4 | 3 |
| 2017 | 7 | 7 |
| 2018 | 3 | 1 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 5 |
| 2022 | 3 | 3 |
| 2023 | 2 | 4 |
| 2024 | 1 | 3 |
| 2025 | 4 | 1 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Service processing method and apparatus and device17 Mar 2026US 12,580,671 B2Huawei Technologies Co., Ltd.
- Autonomous topology realization for tilt control in an optical segment10 Mar 2026US 12,574,292 B2Infinera Corporation
- DCN packet processing method, network device, and system3 Mar 2026US 12,568,323 B2Huawei Technologies Co., Ltd.
- Systems and methods for enabling point-to-multi-point applications in common management interface specification2 Dec 2025US 12,489,540 B2Infinera Corporation
- Signal frame processing method and related device2 Sep 2025US 12,407,438 B2Huawei Technologies Co., Ltd.
- Data mapping method, data demapping method, and related device11 Sep 2025US 2025/0286643 A1
- Autonomous topology realization for tilt control in an optical segment25 Jul 2024US 2024/0250881 A1Infinera Corporation
- Systems and methods for enabling point-to-multi-point applications in common management interface specification28 Mar 2024US 2024/0106556 A1Infinera Corporation
- Dcn packet processing method, network device, and system1 Feb 2024US 2024/0040288 A1Huawei Technologies Co., Ltd.
- Board, optical module, olt, and information processing method13 Apr 2023US 2023/0116204 A1Huawei Technologies Co., Ltd.
Most cited
By later US patents
- Split intelligent peripheral for broadband and narrowband services275US 5,712,903 ABell Atlantic Network Services, Inc. · 1998
- Method for optimizing a network having virtual circuit routing over virtual paths205US 5,274,643 AStratacom, Inc. · 1993
- Optical fiber transmission system and supervision method of the same114US 5,500,756 AHitachi, Ltd. · 1996
- Merging the functions of switching and cross connect in telecommunications networks108US 5,710,769 ALucent Technologies Inc. · 1998
- Traffic route finder in communications network102US 6,314,093 B1Nortel Networks Limited · 2001