H04B 10/5051
Using a series, i.e. cascade, combination of modulators
Official title: {using a series, i.e. cascade, combination of modulators}
H04B10/5051 (Using a series, i.e. cascade, combination of modulators) appears on 275 US grants and 278 published applications in this corpus.
Search patents in H04B- Granted patents
- 275
- Published applications
- 278
- Assignees
- 152
- Inventors
- 640
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 11 | 14 |
| 2003 | 14 | 33 |
| 2004 | 14 | 30 |
| 2005 | 10 | 26 |
| 2006 | 22 | 20 |
| 2007 | 12 | 22 |
| 2008 | 24 | 10 |
| 2009 | 14 | 10 |
| 2010 | 14 | 8 |
| 2011 | 18 | 10 |
| 2012 | 3 | 10 |
| 2013 | 7 | 6 |
| 2014 | 10 | 6 |
| 2015 | 8 | 5 |
| 2016 | 4 | 3 |
| 2017 | 2 | 6 |
| 2018 | 7 | 3 |
| 2019 | 4 | 3 |
| 2020 | 6 | 8 |
| 2021 | 10 | 6 |
| 2022 | 5 | 13 |
| 2023 | 7 | 5 |
| 2024 | 8 | 11 |
| 2025 | 8 | 2 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Optical communication system with a simplified remote optical power supply27 Jan 2026US 12,537,603 B2Ayar Labs, Inc.
- Optical transmitter that includes optical modulator11 Nov 2025US 12,470,299 B2Fujitsu Limited
- Device topologies for electro-photonic integrated circuits comprising transmitters and receivers11 Jun 2026US 2026/0163646 A1ElectroPhotonic-IC Inc.
- Optical Communication System with a Simplified Remote Optical Power Supply28 May 2026US 2026/0149504 A1Ayar Labs, Inc.
- Optical transmitter and timing adjustment method5 Feb 2026US 2026/0039390 A1Fujitsu Limited
- Scalable multi-band wdm optical compute interconnect architectures1 Jan 2026US 2026/0005784 A1Intel Corporation
- Transmitter shielding for optical transceivers14 Aug 2025US 2025/0260491 A1Lumentum Technology UK Limited
Most cited
By later US patents
- Method and apparatus for improving spectral efficiency in wavelength division multiplexed transmission systems196US 6,134,033 ATyco Submarine Systems Ltd. · 2000
- Optical transmission system132US 5,543,952 ANippon Telegraph and Telephone Corporation · 1996
- Method and device for generating optical signals95US 8,831,440 B2Huawei Technologies Co., Ltd. · 2014
- Apparatus and method for linearizing an external optical modulator91US 5,321,543 AGeneral Instrument Corporation · 1994
- Optical communication system85US 5,896,211 AFujitsu Limited · 1999