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Michiro Maeta
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Tokyo, JP
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last 30 patents
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Patent Grant
Dynamic image content tamper detecting device and system
Patent number
8,285,998
Issue date
Oct 9, 2012
Hitachi Government & Public Corporation System Engineering, Ltd.
Isao Echizen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
DYNAMIC IMAGE CONTENT TAMPER DETECTING DEVICE AND SYSTEM
Publication number
20100146282
Publication date
Jun 10, 2010
Isao Echizen
G06 - COMPUTING CALCULATING COUNTING
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Patent Application
Contents Data, and Program, Apparatus and Method for Detecting and...
Publication number
20090249491
Publication date
Oct 1, 2009
Nobuharu Miura
G06 - COMPUTING CALCULATING COUNTING