H04J 14/0232
For downstream transmission
Official title: {for downstream transmission}
H04J14/0232 (For downstream transmission) appears on 291 US grants and 296 published applications in this corpus.
Search patents in H04J- Granted patents
- 291
- Published applications
- 296
- Assignees
- 137
- Inventors
- 567
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 7 | 0 |
| 1999 | 8 | 0 |
| 2000 | 4 | 0 |
| 2001 | 1 | 2 |
| 2002 | 4 | 13 |
| 2003 | 5 | 21 |
| 2004 | 6 | 15 |
| 2005 | 6 | 22 |
| 2006 | 14 | 23 |
| 2007 | 14 | 30 |
| 2008 | 22 | 27 |
| 2009 | 18 | 32 |
| 2010 | 21 | 15 |
| 2011 | 20 | 7 |
| 2012 | 20 | 11 |
| 2013 | 14 | 10 |
| 2014 | 14 | 8 |
| 2015 | 11 | 11 |
| 2016 | 5 | 6 |
| 2017 | 11 | 5 |
| 2018 | 4 | 8 |
| 2019 | 7 | 4 |
| 2020 | 9 | 6 |
| 2021 | 2 | 4 |
| 2022 | 7 | 5 |
| 2023 | 6 | 4 |
| 2024 | 2 | 1 |
| 2025 | 3 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bonding over sub-carrier multiplexed channels30 Jun 2026US 12,671,517 B2Ciena Corporation
- Methods and systems for delivery of multiple passive optical network services10 Feb 2026US RE50,793 E1CommScope Technologies LLC
- Multi-path, smart optical time-domain reflectometer27 Jan 2026US 12,537,597 B2AT&T Intellectual Property I, L. P.
- Transmission device, transmission method, reception device, and reception method9 Dec 2025US 12,494,858 B2Panasonic Intellectual Property Corporation of America
- Communication method based on passive optical network, related device, and system24 Jun 2025US 12,342,110 B2Huawei Technologies Co., Ltd.
- Multi-path, smart optical time-domain reflectometer7 May 2026US 2026/0128789 A1AT&T Intellectual Property I, L. P.
- Bidirectional optical control device and method19 Mar 2026US 2026/0081693 A1Nokia Solutions and Networks Oy
- Downstream state aware loading management in an orchestrated optical network25 Sep 2025US 2025/0300755 A1Infinera Corporation
- Communication method based on passive optical network, related device, and system4 Sep 2025US 2025/0280218 A1Huawei Technologies Co., Ltd.
- Communication apparatus and optical path opening method17 Jul 2025US 2025/0233667 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Power line communications system and method of operating the same239US 7,321,291 B2Current Technologies, LLC · 2008
- Distributed termination system for two-way hybrid networks210US 6,490,727 B1Harmonic, Inc. · 2002
- Power line communications device and method of use202US 7,382,232 B2Current Technologies, LLC · 2008
- Power line communications device and method161US 7,450,000 B2Current Technologies, LLC · 2008
- Dynamically responsive CATV system with shared fiber optic link157US 5,136,411 AGeneral Instrument Corporation · 1992