H04J 3/1652
Optical transport network [otn]
Official title: {Optical Transport Network [OTN]}
H04J3/1652 (Optical transport network [otn]) appears on 730 US grants and 831 published applications in this corpus.
Search patents in H04J- Granted patents
- 730
- Published applications
- 831
- Assignees
- 109
- Inventors
- 1,034
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2003 | 0 | 4 |
| 2004 | 0 | 4 |
| 2005 | 1 | 2 |
| 2006 | 2 | 6 |
| 2007 | 4 | 9 |
| 2008 | 0 | 17 |
| 2009 | 6 | 29 |
| 2010 | 17 | 42 |
| 2011 | 20 | 34 |
| 2012 | 33 | 68 |
| 2013 | 35 | 63 |
| 2014 | 53 | 33 |
| 2015 | 73 | 55 |
| 2016 | 57 | 73 |
| 2017 | 65 | 36 |
| 2018 | 42 | 33 |
| 2019 | 53 | 48 |
| 2020 | 39 | 59 |
| 2021 | 49 | 51 |
| 2022 | 52 | 41 |
| 2023 | 41 | 55 |
| 2024 | 38 | 31 |
| 2025 | 29 | 21 |
| 2026 | 21 | 17 |
By publication year. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Mapping multiplexing method and apparatus for optical transport network, and electronic device and storage medium22 Sep 2026US 12,744,613 B2Sanechips Technology Co., Ltd.
- Service data processing method and apparatus18 Aug 2026US 12,712,658 B2Huawei Technologies Co., Ltd.
- Method for determining transmission slot and related apparatus4 Aug 2026US 12,701,039 B2Huawei Technologies Co., Ltd.
- Bandwidth adjustment method and apparatus, storage medium, and electronic device28 Jul 2026US 12,695,533 B2Zte Corporation
- Systems and methods for configurable lane mapping for muxponder modules26 May 2026US 12,640,831 B2Infinera Corporation
- Otn device, service management system, and automatic connection method of otn sub-device8 Oct 2026US 2026/0312712 A1Zte Corporation
- Resource utilization monitoring for optical transport networks17 Sep 2026US 2026/0280700 A1Nokia Solutions and Networks Oy
- Data transmission method, data processing method, and related apparatus10 Sep 2026US 2026/0269968 A1Huawei Technologies Co., Ltd.
- Optical Transmission Apparatus13 Aug 2026US 2026/0238370 A1NTT, Inc.
- Coordinated Layer-0 and Layer-1 Control for Right-Sizing Optical Interfaces6 Aug 2026US 2026/0230177 A1Ciena Corporation
Most cited
By later US patents
- Path computation method, path computation element, node device, and network system40US 9,825,845 B2Huawei Technologies Co., Ltd. · 2017
- Transmission apparatus34US 7,916,756 B2Hitachi, Ltd. · 2011
- Combined SONET/SDH and OTN architecture33US 7,106,968 B2Optix Networks Inc. · 2006
- Optical transport network high order mapping systems and methods33US 8,867,913 B2Ciena Corporation · 2014
- Multi-rate, multi-protocol, multi-port line interface for a multiservice switching platform32US 6,956,847 B2Cisco Technology, Inc. · 2005