H04J 14/0206
Express channels arrangements
Official title: {Express channels arrangements}
H04J14/0206 (Express channels arrangements) appears on 546 US grants and 448 published applications in this corpus.
Search patents in H04J- Granted patents
- 546
- Published applications
- 448
- Assignees
- 205
- Inventors
- 906
- Latest grant
- 22 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 8 | 0 |
| 1998 | 19 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 30 | 8 |
| 2002 | 26 | 66 |
| 2003 | 46 | 50 |
| 2004 | 31 | 58 |
| 2005 | 38 | 27 |
| 2006 | 44 | 28 |
| 2007 | 34 | 24 |
| 2008 | 23 | 27 |
| 2009 | 22 | 23 |
| 2010 | 27 | 25 |
| 2011 | 16 | 8 |
| 2012 | 24 | 24 |
| 2013 | 21 | 15 |
| 2014 | 22 | 7 |
| 2015 | 16 | 13 |
| 2016 | 7 | 8 |
| 2017 | 10 | 10 |
| 2018 | 7 | 2 |
| 2019 | 5 | 3 |
| 2020 | 3 | 4 |
| 2021 | 3 | 10 |
| 2022 | 10 | 5 |
| 2023 | 5 | 3 |
| 2024 | 2 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Orchestration control protocol22 Jul 2025US 12,368,525 B2Infinera Corporation
- Dynamically switching queueing schemes for network switches8 Jul 2025US 12,355,552 B2Infinera Corporation
- Efficient spectrum allocation in a multi-node optical network11 Jun 2024US 12,009,910 B2Microsoft Technology Licensing, LLC
- Wavelength multiplexing communication system and wavelength multiplexing communication method30 Jan 2024US 11,888,581 B2Nippon Telegraph and Telephone Corporation
- Optical add/drop device and assembly, and communications network node13 Jun 2023US 11,675,133 B2Telefonaktiebolaget LM Ericsson (publ)
- Orchestration control protocol3 Aug 2023US 2023/0246726 A1Infinera Corporation
- Efficient spectrum allocation in a multi-node optical network22 Jun 2023US 2023/0198653 A1Microsoft Technology Licensing, LLC
- Wavelength multiplexing communication system and wavelength multiplexing communication method18 May 2023US 2023/0155712 A1Nippon Telegraph and Telephone Corporation
- In-phase to quadrature-phase imbalance in an optical data modulator28 Jul 2022US 2022/0239382 A1Nokia Solutions and Networks Oy
- Separator modules for terminal bodies30 Jun 2022US 2022/0209883 A1CommScope Technologies LLC
Most cited
By later US patents
- WDM optical network with passive pass-through at each node146US 6,084,694 ANortel Networks Limited · 2000
- Optical systems with grating reflector133US 5,283,686 AGeneral Instrument Corporation, Jerrold Communications · 1994
- Modular all-optical cross-connect126US 6,614,953 B2Photuris, Inc. · 2003
- Optical add-drop multiplexers for WDM optical communication systems125US 5,778,118 ACiena Corporation · 1998
- Optical system with tunable in-fiber gratings114US 5,579,143 ACiena Corporation · 1996