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Masanobu Arai
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Radio communication method, radio communication system and wireless...
Patent number
8,379,608
Issue date
Feb 19, 2013
NEC Corporation
Satoru Yamano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Memory used in packet switching network for successively storing da...
Patent number
6,763,026
Issue date
Jul 13, 2004
NEC Corporation
Masahiro Imamura
G11 - INFORMATION STORAGE
Information
Patent Grant
Phase-locked loop circuit having ring oscillator
Patent number
5,490,182
Issue date
Feb 6, 1996
NEC Corporation
Masanobu Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Push-pull-type amplifier circuit
Patent number
5,406,145
Issue date
Apr 11, 1995
NEC Corporation
Masanobu Arai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Subscriber line interface circuit for serving ISDN subscribers usin...
Patent number
5,255,317
Issue date
Oct 19, 1993
NEC Corporation
Masanobu Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Tone signal detecting circuit
Patent number
5,189,378
Issue date
Feb 23, 1993
NEC Corporation
Masanobu Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Clock jitter suppressing circuit
Patent number
5,103,185
Issue date
Apr 7, 1992
NEC Corporation
Masanobu Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital signal receiving circuit with means for controlling a baud...
Patent number
5,048,060
Issue date
Sep 10, 1991
NEC Corporation
Masanobu Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit for cancelling whole or part of a waveform using nonrecursi...
Patent number
5,042,026
Issue date
Aug 20, 1991
NEC Corporation
Shin'ichi Koike
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver capable of improving signal-to-noise ratio in reproducing...
Patent number
4,972,433
Issue date
Nov 20, 1990
NEC Corporation
Masaru Yamaguchi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Echo canceller for bidirectional transmission on two-wire subscribe...
Patent number
4,888,762
Issue date
Dec 19, 1989
NEC Corporation
Masanobu Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber line interface circuit having means for combining DC and...
Patent number
4,760,595
Issue date
Jul 26, 1988
NEC Corporation
Masanobu Arai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Subscriber line interface circuit
Patent number
4,600,811
Issue date
Jul 15, 1986
NEC Corporation
Takao Hayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Radio transmitting/receiving apparatus and intermittent transmissio...
Publication number
20060194564
Publication date
Aug 31, 2006
Takehiro Hokimoto
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication method, radio communication system and wireless...
Publication number
20050163088
Publication date
Jul 28, 2005
NEC Corporation
Satoru Yamano
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Memory used in packet switching network for successively storing da...
Publication number
20020039361
Publication date
Apr 4, 2002
NEC Corporation
Masahiro Imamura
G11 - INFORMATION STORAGE