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Tsutomu Kitamura
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Device, method, and program for estimating quality-degraded locatio...
Patent number
8,179,806
Issue date
May 15, 2012
NEC Corporation
Masayoshi Kobayashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Wireless communication system, mobile station and handover control...
Patent number
8,155,075
Issue date
Apr 10, 2012
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signaling server, data communication system, signaling processing p...
Patent number
8,037,174
Issue date
Oct 11, 2011
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Access network system and method of moving internal network relay d...
Patent number
7,596,085
Issue date
Sep 29, 2009
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile station, radio communication system, base station switching...
Patent number
7,292,857
Issue date
Nov 6, 2007
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Display monitor including moire cancellation circuit
Patent number
5,440,353
Issue date
Aug 8, 1995
Matsushita Electric Industrial Co., Ltd.
Masao Yamazaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Apparatus for eliminating moire pattern effects resulting from the...
Patent number
5,430,502
Issue date
Jul 4, 1995
Matsushita Electric Industrial Co., Ltd.
Masao Yamazaki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Phase adjustment circuit
Patent number
4,954,784
Issue date
Sep 4, 1990
Matsushita Electric Industrial Co., Ltd.
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Television receiver compatible with both American and European systems
Patent number
4,303,944
Issue date
Dec 1, 1981
Matsushita Electric Industrial Co., Ltd.
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
SIGNALING SERVER, DATA COMMUNICATION SYSTEM, SIGNALING PROCESSING P...
Publication number
20090216870
Publication date
Aug 27, 2009
NEC Corporation
Tsutomu KITAMURA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
DATA COMMUNICATION SYSTEM, TERMINAL, CATALOG SERVER, DATA COMMUNICA...
Publication number
20090083364
Publication date
Mar 26, 2009
NEC Corporation
Tsutomu KITAMURA
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DEVICE, METHOD, AND PROGRAM FOR ESTIMATING QUALITY-DEGRADED LOCATIO...
Publication number
20090052331
Publication date
Feb 26, 2009
NEC Corporation
Masayoshi KOBAYASHI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Wireless Communication System, Mobile Station And Handover Control...
Publication number
20080170546
Publication date
Jul 17, 2008
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Traffic detection system and communication-quality monitoring syste...
Publication number
20070060166
Publication date
Mar 15, 2007
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and device for detecting and blocking unauthorized access
Publication number
20060198313
Publication date
Sep 7, 2006
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Access network system and method of moving internal network relay d...
Publication number
20060120346
Publication date
Jun 8, 2006
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile station, radio communication system, base station switching...
Publication number
20050266852
Publication date
Dec 1, 2005
NEC Corporation
Tsutomu Kitamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE