H04Q 2011/0047
Broadcast
Official title: {Broadcast; Multicast}
H04Q2011/0047 (Broadcast) appears on 143 US grants and 129 published applications in this corpus.
Search patents in H04Q- Granted patents
- 143
- Published applications
- 129
- Assignees
- 78
- Inventors
- 270
- Latest grant
- 30 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 4 | 20 |
| 2003 | 2 | 6 |
| 2004 | 13 | 8 |
| 2005 | 4 | 4 |
| 2006 | 8 | 3 |
| 2007 | 3 | 2 |
| 2008 | 5 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 4 |
| 2011 | 3 | 1 |
| 2012 | 2 | 0 |
| 2013 | 4 | 6 |
| 2014 | 4 | 8 |
| 2015 | 1 | 6 |
| 2016 | 8 | 12 |
| 2017 | 14 | 15 |
| 2018 | 15 | 2 |
| 2019 | 10 | 8 |
| 2020 | 4 | 6 |
| 2021 | 3 | 4 |
| 2022 | 6 | 3 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 1 | 3 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Silicon photonics-based chiplet accelerator for DNN inference30 Jun 2026US 12,671,919 B2The George Washington University
- Optical communication system and optical communication method28 Apr 2026US 12,615,459 B2Huawei Technologies Co., Ltd.
- Scalable add/drop colorless, directionless, and contentionless optical architectures8 Jul 2025US 12,355,550 B2Ciena Corporation
- Optical signal processing apparatus25 Jun 2024US 12,022,246 B2Nippon Telegraph and Telephone Corporation
- Optical line terminal and an optical network unit23 Jan 2024US 11,881,891 B2Nokia Solutions and Networks Oy
- Optical communication apparatus, optical communication system and transmission method24 Jul 2025US 2025/0240097 A1Nippon Telegraph and Telephone Corporation
- Silicon photonics-based chiplet accelerator for dnn inference3 Jul 2025US 2025/0220325 A1The George Washington University
- Optical exchange device and optical exchange method8 May 2025US 2025/0150737 A1Mitsubishi Electric Corporation
- Optical communication apparatus, optical communication system and transmission method12 Dec 2024US 2024/0413907 A1Nippon Telegraph and Telephone Corporation
- Scalable add/drop colorless, directionless, and contentionless optical architectures4 Apr 2024US 2024/0113798 A1Ciena Corporation
Most cited
By later US patents
- Point-to-multipoint digital radio frequency transport258US 6,704,545 B1ADC Telecommunications, Inc. · 2004
- Point-to-multipoint digital radio frequency transport175US 7,639,982 B2ADC Telecommunications, Inc. · 2009
- Multicast packet duplication at random node or at egress port with frame synchronization73US 6,751,219 B1Aztech Partners, Inc. · 2004
- Configurable network router59US 6,724,757 B1Cisco Technology, Inc. · 2004
- Synchronous optical network in frequency domain54US 6,519,060 B1Chorum Technologies LP · 2003