H04J 14/0265
Multiplex arrangements in bidirectional systems
Official title: {Multiplex arrangements in bidirectional systems, e.g. interleaved allocation of wavelengths or allocation of wavelength groups}
H04J14/0265 (Multiplex arrangements in bidirectional systems) appears on 92 US grants and 112 published applications in this corpus.
Search patents in H04J- Granted patents
- 92
- Published applications
- 112
- Assignees
- 47
- Inventors
- 225
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 2 |
| 2004 | 0 | 1 |
| 2005 | 0 | 7 |
| 2006 | 3 | 1 |
| 2007 | 2 | 5 |
| 2008 | 3 | 1 |
| 2009 | 4 | 1 |
| 2010 | 3 | 7 |
| 2011 | 3 | 7 |
| 2012 | 4 | 15 |
| 2013 | 8 | 11 |
| 2014 | 12 | 12 |
| 2015 | 10 | 6 |
| 2016 | 3 | 7 |
| 2017 | 10 | 6 |
| 2018 | 4 | 1 |
| 2019 | 6 | 8 |
| 2020 | 7 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 3 |
| 2023 | 1 | 2 |
| 2024 | 2 | 3 |
| 2025 | 1 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Partial activation of a media channel on channel holder-based optical links21 Apr 2026US 12,609,782 B2Ciena Corporation
- Methods, devices, and architectures for inter-spacecraft optical communication20 Jan 2026US 12,529,875 B2Smiths Interconnect Canada Inc.
- Optimization of spectrum sharing in optical line systems1 Jul 2025US 12,348,265 B2Ciena Corporation
- Partial activation of a media channel on channel holder-based optical links25 Jun 2024US 12,022,248 B2Ciena Corporation
- Bidirectional filter4 Jun 2024US 12,001,057 B2Lumentum Operations LLC
- Efficient Fiber Utilization with Widely Parallel Optical Interfaces6 Aug 2026US 2026/0230215 A1Avago Technologies International Sales Pte. Limited
- Optimization of spectrum sharing in optical line systems23 Jul 2026US 2026/0213840 A1Ciena Corporation
- Optical node apparatus, optical communication system and transmission method9 Jan 2025US 2025/0016479 A1Nippon Telegraph and Telephone Corporation
- Bidirectional filter26 Sep 2024US 2024/0319446 A1Lumentum Operations LLC
- Partial activation of a media channel on channel holder-based optical links12 Sep 2024US 2024/0305916 A1Ciena Corporation
Most cited
By later US patents
- Transmitter photonic integrated circuit (TxPIC) chips78US 7,885,492 B2Infinera Corporation · 2011
- Transmitter photonic integrated circuits (TxPIC) and optical transport networks employing TxPICs55US 7,283,694 B2Infinera Corporation · 2007
- Method of in-wafer testing of monolithic photonic integrated circuits (PICs) formed in a semiconductor wafer48US 6,985,648 B2Infinera Corporation · 2006
- Method and apparatus for providing an antireflection coating on the output facet of a photonic integrated circuit (PIC) chip45US 7,460,742 B2Infinera Corporation · 2008
- Method of calibrating a monolithic transmitter photonic integrated circuit (TXPIC) chip40US 7,483,599 B2Infinera Corporation · 2009