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Chizu Hamasaki
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Kawasaki, JP
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Patents Grants
last 30 patents
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Patent Grant
Authentication apparatus, authentication method, and data using method
Patent number
8,751,673
Issue date
Jun 10, 2014
Fujitsu Limited
Chizu Hamasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Billing system, and device constituting same
Patent number
7,510,113
Issue date
Mar 31, 2009
Fujitsu Limited
Yoichiro Igarashi
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
System for controlling communications in a network based on a previ...
Patent number
7,117,265
Issue date
Oct 3, 2006
Fujitsu Limited
Chizu Hamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
AUTHENTICATION APPARATUS, AUTHENTICATION METHOD, AND DATA USING METHOD
Publication number
20100325296
Publication date
Dec 23, 2010
Fujitsu Limited
Chizu Hamasaki
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Communication system
Publication number
20030229701
Publication date
Dec 11, 2003
Chizu Hamasaki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Billing system, and device constituting same
Publication number
20020188562
Publication date
Dec 12, 2002
Yoichiro Igarashi
G06 - COMPUTING CALCULATING COUNTING