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Hiroshi Koyama
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Kanagawa, JP
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Patents Grants
last 30 patents
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Patent Grant
Information processing apparatus, method and program
Patent number
8,311,249
Issue date
Nov 13, 2012
Sony Corporation
Hiroshi Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic apparatus and acoustic setting method
Patent number
7,412,067
Issue date
Aug 12, 2008
Sony Corporation
Hiroshi Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Information Processing Apparatus, Method and Program
Publication number
20080063226
Publication date
Mar 13, 2008
Hiroshi Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Acoustic apparatus and acoustic setting method
Publication number
20040258259
Publication date
Dec 23, 2004
Hiroshi Koyama
H04 - ELECTRIC COMMUNICATION TECHNIQUE