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Yohei Hirokawa
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Information processing system and information processing method
Patent number
9,392,065
Issue date
Jul 12, 2016
NEC Corporation
Yohei Hirokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing system, linkage server, and information proc...
Patent number
9,350,691
Issue date
May 24, 2016
NEC Corporation
Mitsunori Morisaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Information processing system, mobile terminal, linkage server, and...
Patent number
8,855,608
Issue date
Oct 7, 2014
NEC Corporation
Mitsunori Morisaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Mobile terminal, method and program of notifying incoming call for...
Patent number
8,670,367
Issue date
Mar 11, 2014
NEC Corporation
Yohei Hirokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Data terminal device
Patent number
7,471,952
Issue date
Dec 30, 2008
NEC Corporation
Yohei Hirokawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Portable terminal device with built-in GPS
Patent number
7,013,151
Issue date
Mar 14, 2006
NEC Corporation
Yohei Hirokawa
G08 - SIGNALLING
Patents Applications
last 30 patents
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Patent Application
INFORMATION PROCESSING SYSTEM, MOBILE TERMINAL, LINKAGE SERVER, AND...
Publication number
20130090140
Publication date
Apr 11, 2013
NEC Corporation
Mitsunori Morisaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
INFORMATION PROCESSING SYSTEM AND INFORMATION PROCESSING METHOD
Publication number
20130091290
Publication date
Apr 11, 2013
NEC Corporation
Yohei Hirokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
INFORMATION PROCESSING SYSTEM, LINKAGE SERVER, AND INFORMATION PROC...
Publication number
20130086193
Publication date
Apr 4, 2013
NEC Corporation
Mitsunori Morisaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
DISPLAY TERMINAL WITH TOUCH PANEL FUNCTION AND CALIBRATION METHOD
Publication number
20100321307
Publication date
Dec 23, 2010
Yohei Hirokawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
MOBILE TERMINAL, METHOD AND PROGRAM OF NOTIFYING INCOMING CALL FOR...
Publication number
20100081481
Publication date
Apr 1, 2010
YOHEI HIROKAWA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Portable electronic device, lighting control method used for the sa...
Publication number
20060128446
Publication date
Jun 15, 2006
NEC Corporation
Yohei Hirokawa
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Data terminal device
Publication number
20040002303
Publication date
Jan 1, 2004
Yohei Hirokawa
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Portable terminal device with built-in GPS
Publication number
20030119529
Publication date
Jun 26, 2003
NEC Corporation
Yohei Hirokawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE