H04B 10/50597
To control the phase of the modulating signal
Official title: {to control the phase of the modulating signal}
H04B10/50597 (To control the phase of the modulating signal) appears on 45 US grants and 40 published applications in this corpus.
Search patents in H04B- Granted patents
- 45
- Published applications
- 40
- Assignees
- 31
- Inventors
- 76
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 6 |
| 2005 | 2 | 3 |
| 2006 | 4 | 3 |
| 2007 | 1 | 4 |
| 2008 | 4 | 2 |
| 2009 | 0 | 2 |
| 2010 | 4 | 1 |
| 2011 | 4 | 2 |
| 2012 | 2 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 3 | 1 |
| 2018 | 2 | 2 |
| 2019 | 1 | 2 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 3 |
| 2024 | 1 | 1 |
| 2025 | 2 | 2 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Communication control apparatus and communication control method17 Jul 2025US 2025/0233683 A1Nippon Telegraph and Telephone Corporation
- System and method for optical communication5 Jun 2025US 2025/0184010 A1Luminous Computing, Inc.
- Optical signal sending apparatus11 Jul 2024US 2024/0235689 A1Huawei Technologies Co., Ltd.
- Method and system for optical timing transfer5 Oct 2023US 2023/0318710 A1Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Semiconductor IQ Modulator31 Aug 2023US 2023/0273497 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Chirped-pulse multiple wavelength telecommunications system147US 5,631,758 ALucent Technologies Inc. · 1997
- Location specific optical monitoring64US 7,376,358 B2Nortel Networks Limited · 2008
- Optical differential phase shift keying transmission system having multiplexing, routing and add/replace capabilities42US 6,271,950 B1Lucent Technologies Inc. · 2001
- Data encoded optical pulse generator34US 5,521,738 AAT&T Corp. · 1996
- Electrical domain compensation of optical dispersion in an optical communications system27US 7,382,984 B2Nortel Networks Limited · 2008