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Shuji Murakami
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Herndon, VA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Single mode fiber distributed temperature sensing with improved noi...
Patent number
11,204,286
Issue date
Dec 21, 2021
NEC Corporation
Yaowen Li
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Time-space de-noising for distributed sensors
Patent number
11,132,542
Issue date
Sep 28, 2021
NEC Corporation
Philip Nan Ji
G01 - MEASURING TESTING
Information
Patent Grant
Repeaterless passive optical add/drop multiplexed fiber network
Patent number
10,404,398
Issue date
Sep 3, 2019
NEC Corporation
Ezra Ip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Integrated equalizer and Michelson interferometer structure for int...
Patent number
8,218,977
Issue date
Jul 10, 2012
NEC Laboratories America, Inc.
Philip Nan Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Method Providing Increased Signal-To-Noise (SNR) for Coherent Distr...
Publication number
20220196461
Publication date
Jun 23, 2022
NEC Laboratories America, Inc.
Junqiang Nochur HU
G01 - MEASURING TESTING
Information
Patent Application
DISTRIBUTED ACOUSTIC SENSING USING DYNAMIC RANGE SUPPRESSION
Publication number
20210356776
Publication date
Nov 18, 2021
NEC Laboratories America, Inc.
Ezra IP
G01 - MEASURING TESTING
Information
Patent Application
SINGLE MODE FIBER DISTRIBUTED TEMPERATURE SENSING WITH IMPROVED NOI...
Publication number
20210199512
Publication date
Jul 1, 2021
NEC Laboratories America, Inc.
Yaowen LI
G01 - MEASURING TESTING
Information
Patent Application
RAYLEIGH FADING MITIGATION VIA SHORT PULSE COHERENT DISTRIBUTED ACO...
Publication number
20200370950
Publication date
Nov 26, 2020
NEC Laboratories America, Inc.
Ezra IP
G01 - MEASURING TESTING
Information
Patent Application
OPTICAL FIBER SENSING SYSTEMS, METHODS, STRUCTURES AND APPLICATION
Publication number
20200249076
Publication date
Aug 6, 2020
NEC Laboratories America, Inc.
Ezra IP
G01 - MEASURING TESTING
Information
Patent Application
TIME-SPACE DE-NOISING FOR DISTRIBUTED SENSORS
Publication number
20200005036
Publication date
Jan 2, 2020
NEC Laboratories America, Inc.
Philip Nan JI
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
REPEATERLESS PASSIVE OPTICAL ADD/DROP MULTIPLEXED FIBER NETWORK
Publication number
20180262293
Publication date
Sep 13, 2018
NEC Laboratories America, Inc.
Ezra Ip
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Modified Michelson Interferometer Structure for Inter-Symbol Interf...
Publication number
20100232789
Publication date
Sep 16, 2010
NEC Laboratories America, Inc.
Philip Nan Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Integrated Equalizer and Michelson Interferometer Structure for Int...
Publication number
20100232803
Publication date
Sep 16, 2010
NEC Laboratories America, Inc.
Philip Nan Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Inter-Symbol Interference-Suppressed Colorless DPSK Demodulation
Publication number
20080240736
Publication date
Oct 2, 2008
NEC Laboratories America, Inc.
Philip Nan Ji
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
OPTICAL EQUALIZATION FILTERING OF DWDM CHANNELS
Publication number
20070206898
Publication date
Sep 6, 2007
NEC LABORATORIES AMERICA
Ting WANG
H04 - ELECTRIC COMMUNICATION TECHNIQUE