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Koichi Tamura
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
X-ray fluorescence spectrometer comprising a temperature sensor, tw...
Patent number
9,410,906
Issue date
Aug 9, 2016
Hitachi High-Tech Science Corporation
Ryusuke Hirose
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Base station, mobile station, and mapping method of subcarriers
Patent number
8,923,214
Issue date
Dec 30, 2014
Lenovo Innovations Limited (Hong Kong)
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Receiver and signal received power estimation method
Patent number
8,731,083
Issue date
May 20, 2014
NEC Corporation
Masahito Sakai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmission power control system, method therefor, and base statio...
Patent number
8,116,802
Issue date
Feb 14, 2012
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Circuit, method, and program in a CDMA communication system for qui...
Patent number
7,804,810
Issue date
Sep 28, 2010
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cell search method in CDMA capable of carrying out a cell search pr...
Patent number
7,330,447
Issue date
Feb 12, 2008
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
CDMA demodulation circuit, CDMA mobile communication demodulation m...
Patent number
7,313,169
Issue date
Dec 25, 2007
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demodulation and modulation circuit and demodulation and modulation...
Patent number
7,110,476
Issue date
Sep 19, 2006
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demodulation apparatus and demodulation method for mobile communica...
Patent number
7,039,099
Issue date
May 2, 2006
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Cell search method in CDMA capable of carrying out a cell search pr...
Patent number
7,027,427
Issue date
Apr 11, 2006
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Demodulation circuit for CDMA mobile communications and demodulatio...
Patent number
6,977,955
Issue date
Dec 20, 2005
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
CDMA demodulation circuit and CDMA demodulation method
Patent number
6,922,433
Issue date
Jul 26, 2005
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Radio communication apparatus used in CDMA communication system, wh...
Patent number
6,907,049
Issue date
Jun 14, 2005
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
X-Ray Fluorescence Spectrometer
Publication number
20140294145
Publication date
Oct 2, 2014
HITACHI HIGH-TECH SCIENCE CORPORATION
Ryusuke Hirose
G01 - MEASURING TESTING
Information
Patent Application
RECEIVER AND SIGNAL RECEIVED POWER ESTIMATION METHOD
Publication number
20130034191
Publication date
Feb 7, 2013
NTT DoCoMo, Inc.
Masahito Sakai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
BASE STATION, MOBILE STATION, AND MAPPING METHOD OF SUBCARRIERS
Publication number
20110044267
Publication date
Feb 24, 2011
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PATH SEARCH PROCESSING CIRCUIT, PATH SEARCH METHOD, AND CONTROL PRO...
Publication number
20090073956
Publication date
Mar 19, 2009
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
TRANSMISSION POWER CONTROL SYSTEM, METHOD THEREFOR, AND BASE STATIO...
Publication number
20090054019
Publication date
Feb 26, 2009
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Demodulation and modulation circuit and demodulation and modulation...
Publication number
20050190847
Publication date
Sep 1, 2005
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Radio communication apparatus used in CDMA communication system, wh...
Publication number
20050032523
Publication date
Feb 10, 2005
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Cell search method in CDMA capable of carrying out a cell search pr...
Publication number
20050025087
Publication date
Feb 3, 2005
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Power control method and power control circuit
Publication number
20040248609
Publication date
Dec 9, 2004
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Path searching circuit, path searching method, and path searching p...
Publication number
20040184411
Publication date
Sep 23, 2004
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CDMA demodulation circuit, CDMA mobile communication demodulation m...
Publication number
20030235241
Publication date
Dec 25, 2003
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Mobile communication terminal apparatus, cell search control method...
Publication number
20030169703
Publication date
Sep 11, 2003
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Demodulation circuit for CDMA mobile communications and demodulatio...
Publication number
20020101911
Publication date
Aug 1, 2002
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Demodulation apparatus and demodulation method for mobile communica...
Publication number
20010033609
Publication date
Oct 25, 2001
NEC Corporation
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
CDMA demodulation circuit and CDMA demodulation method
Publication number
20010026580
Publication date
Oct 4, 2001
Koichi Tamura
H04 - ELECTRIC COMMUNICATION TECHNIQUE