H04J 14/0238
Wavelength allocation for communications one-to-many
Official title: {Wavelength allocation for communications one-to-many, e.g. multicasting wavelengths}
H04J14/0238 (Wavelength allocation for communications one-to-many) appears on 251 US grants and 293 published applications in this corpus.
Search patents in H04J- Granted patents
- 251
- Published applications
- 293
- Assignees
- 123
- Inventors
- 563
- Latest grant
- 10 Sep 2024
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| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
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| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
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| 1999 | 3 | 0 |
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| 2001 | 0 | 3 |
| 2002 | 3 | 24 |
| 2003 | 2 | 18 |
| 2004 | 9 | 15 |
| 2005 | 8 | 14 |
| 2006 | 10 | 20 |
| 2007 | 11 | 14 |
| 2008 | 14 | 20 |
| 2009 | 15 | 21 |
| 2010 | 19 | 14 |
| 2011 | 16 | 2 |
| 2012 | 5 | 14 |
| 2013 | 11 | 9 |
| 2014 | 13 | 22 |
| 2015 | 13 | 26 |
| 2016 | 25 | 12 |
| 2017 | 17 | 11 |
| 2018 | 9 | 6 |
| 2019 | 7 | 7 |
| 2020 | 7 | 4 |
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| 2022 | 4 | 2 |
| 2023 | 5 | 3 |
| 2024 | 3 | 1 |
| 2025 | 0 | 3 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for coherent optical backhauling10 Sep 2024US 12,088,344 B1Cable Television Laboratories, Inc.
- Optical transmission apparatus, optical reception apparatus, optical communication apparatus, optical communication system, and methods of controlling them19 Mar 2024US 11,936,431 B2NEC Corporation
- Wavelength multiplexing communication system and wavelength multiplexing communication method30 Jan 2024US 11,888,581 B2Nippon Telegraph and Telephone Corporation
- Methodology for efficient upstream multicast in PON networks10 Oct 2023US 11,784,913 B2Tellabs Enterprise, Inc.
- Systems and methods for dual-band modulation and injection-locking for coherent PON12 Sep 2023US 11,757,556 B1Cable Television Laboratories, Inc.
- Bidirectional optical control device and method19 Mar 2026US 2026/0081693 A1Nokia Solutions and Networks Oy
- Conditional forward error correction decoding in a passive optical network19 Mar 2026US 2026/0081715 A1Nokia Solutions and Networks Oy
- Bandwidth allocation method, optical communication system, device, and storage medium4 Dec 2025US 2025/0373531 A1Zte Corporation
- Systems and methods for providing communication between an access point and a hub of a point-to-multipoint optical network30 Oct 2025US 2025/0337515 A1
- Communication method and device1 May 2025US 2025/0141585 A1
Most cited
By later US patents
- Digital communication network architecture for providing universal information services520US 4,763,317 AAmerican Telephone and Telegraph Company, AT&T Bell Laboratories · 1988
- System and method for packet level distributed routing in fiber optic rings168US 6,532,088 B1Alcatel · 2003
- Advanced optical fiber communications network153US 5,880,864 ABell Atlantic Network Services, Inc. · 1999
- All-optical network architecture131US 5,351,146 AAT&T Bell Laboratories · 1994
- Optical system with tunable in-fiber gratings114US 5,579,143 ACiena Corporation · 1996