H04B 10/5162
Return-to-zero modulation schemes
Official title: {Return-to-zero modulation schemes}
H04B10/5162 (Return-to-zero modulation schemes) appears on 98 US grants and 119 published applications in this corpus.
Search patents in H04B- Granted patents
- 98
- Published applications
- 119
- Assignees
- 56
- Inventors
- 216
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 0 |
| 2002 | 0 | 3 |
| 2003 | 5 | 17 |
| 2004 | 2 | 6 |
| 2005 | 4 | 5 |
| 2006 | 5 | 10 |
| 2007 | 4 | 5 |
| 2008 | 5 | 8 |
| 2009 | 4 | 8 |
| 2010 | 9 | 7 |
| 2011 | 6 | 6 |
| 2012 | 5 | 8 |
| 2013 | 5 | 2 |
| 2014 | 9 | 4 |
| 2015 | 4 | 1 |
| 2016 | 3 | 1 |
| 2017 | 8 | 13 |
| 2018 | 7 | 1 |
| 2019 | 4 | 4 |
| 2020 | 0 | 3 |
| 2021 | 1 | 0 |
| 2022 | 1 | 2 |
| 2023 | 1 | 1 |
| 2024 | 3 | 0 |
| 2025 | 1 | 3 |
| 2026 | 1 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Optical interconnects for a programmable virtualized self-optimizing signal processor9 Jun 2026US 12,652,110 B2Ciena Corporation
- Impulsive detection techniques in free space optical communications15 Apr 2025US 12,278,665 B2Attochron, LLC
- Impulsive detection techniques in free space optical communications19 Nov 2024US 12,149,290 B1Attochron, LLC
- Impulsive detection techniques in free space optical communications30 Jul 2024US 12,052,059 B1Attochron, LLC
- Impulsive detection techniques in free space optical communications2 Apr 2024US 11,949,457 B1Attochron, LLC
- Low power micro-led driver for high bandwidth short distance communication7 May 2026US 2026/0128800 A1Hyperlume Inc.
- Impulsive Detection Techniques in Free Space Optical Communications19 Jun 2025US 2025/0202590 A1Attochron, LLC
- Method and apparatus for improving sidelobe cancellation in coded optical time-domain reflectometry24 Apr 2025US 2025/0132827 A1Huawei Technologies Co., Ltd.
- Impulsive Detection Techniques in Free Space Optical Communications27 Feb 2025US 2025/0070884 A1Attochron, LLC
- Optical interconnects for a programmable virtualized self-optimizing signal processor21 Dec 2023US 2023/0412277 A1Ciena Corporation
Most cited
By later US patents
- Method and device for generating optical signals95US 8,831,440 B2Huawei Technologies Co., Ltd. · 2014
- Transmitters for optical narrowcasting52US 9,654,222 B1SureFire, LLC · 2017
- Optical transmission system31US 6,559,996 B1Nippon Telegraph and Telephone Corporation · 2003
- Optical transmitting apparatus, optical receiving apparatus, and optical communication system comprising them27US 7,817,923 B2Fujitsu Limited · 2010
- Method and apparatus for optical transmission20US 7,110,681 B1Mitsubishi Denki Kabushiki Kaisha · 2006