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Hiroshi Sugata
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Fussa-shi, JP
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Patents Grants
last 30 patents
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Patent Grant
Thin speaker and method of manufacturing the speaker
Patent number
7,184,567
Issue date
Feb 27, 2007
Foster Electric Co., Ltd.
Hiroshi Sugata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electroacoustic transducer
Patent number
6,832,106
Issue date
Dec 14, 2004
Foster Electric Co., Ltd.
Hiroshi Sugata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Thin speaker and method of manufacturing the speaker
Publication number
20050201589
Publication date
Sep 15, 2005
FOSTER ELECTRIC CO., LTD.
Hiroshi Sugata
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electroacoustic transducer
Publication number
20030219141
Publication date
Nov 27, 2003
Hiroshi Sugata
H04 - ELECTRIC COMMUNICATION TECHNIQUE