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Yasuhiro Aoki
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Optical spectral shaping for nonlinearity enhancement in high speed...
Patent number
9,337,923
Issue date
May 10, 2016
NEC Corporation
Lei Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Pair-wise symbol correlated high receiver sensitivity modulation fo...
Patent number
9,203,519
Issue date
Dec 1, 2015
NEC Laboratories America, Inc.
Fatih Yaman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-switched differential ternary phase-shift keying
Patent number
9,130,679
Issue date
Sep 8, 2015
NEC Laboratories America, Inc.
Ezra Ip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Generation of polarization-alternated QPSK format
Patent number
9,077,484
Issue date
Jul 7, 2015
NEC Laboratories America, Inc.
Shaoliang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization switching for optical fiber communications
Patent number
8,917,998
Issue date
Dec 23, 2014
NEC Laboratories America, Inc.
Shaoliang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multiple-symbol polarization switching for differential-detection m...
Patent number
8,873,953
Issue date
Oct 28, 2014
NEC Laboratories America, Inc.
Shaoliang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Polarization-alternating optical signal generation using CSRZ modul...
Patent number
8,787,709
Issue date
Jul 22, 2014
NEC Laboratories America, Inc.
Fatih Yaman
G02 - OPTICS
Information
Patent Grant
Optical amplifier repeater
Patent number
6,603,587
Issue date
Aug 5, 2003
NEC Corporation
Ryu Yokoyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical surge preventing method and system for use with or in a rar...
Patent number
6,064,514
Issue date
May 16, 2000
NEC Corporation
Yasuhiro Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Wavelength division multiplexing light transmitting system
Patent number
5,995,254
Issue date
Nov 30, 1999
NEC Corporation
Tadashi Koga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Method for transmitting WDM optical signal to be amplified by optic...
Patent number
5,912,754
Issue date
Jun 15, 1999
NEC Corporation
Tadashi Koga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Optical fiber amplifier
Patent number
5,218,608
Issue date
Jun 8, 1993
NEC Corporation
Yasuhiro Aoki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Optical amplifying repeater
Patent number
4,886,334
Issue date
Dec 12, 1989
NEC Corporation
Yasuhiro Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Pair-wise Symbol Correlated High Receiver Sensitivity Modulation Fo...
Publication number
20140099126
Publication date
Apr 10, 2014
NEC Laboratories America, Inc.
Fatih Ioanna Yaman
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Optical Spectral Shaping for Nonlinearity Enhancement in High Speed...
Publication number
20130094851
Publication date
Apr 18, 2013
NEC Corporation
Lei Xu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization Switching for Optical Fiber Communications
Publication number
20130089327
Publication date
Apr 11, 2013
NEC Corporation
Shaoliang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multiple-Symbol Polarization Switching for Differential-Detection M...
Publication number
20120321303
Publication date
Dec 20, 2012
NEC Laboratories America, Inc.
Shaoliang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Coherent Interleaved Polarization-Multiplexing Optical Communicatio...
Publication number
20120321311
Publication date
Dec 20, 2012
NEC Laboratories America, Inc.
Shaoliang Zhang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Polarization-Alternating Optical Signal Generation using CSRZ Modul...
Publication number
20120251028
Publication date
Oct 4, 2012
NEC Laboratories America, Inc.
Fatih Yaman
H04 - ELECTRIC COMMUNICATION TECHNIQUE