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Tetsuya Ichikawa
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Iwaki-city, JP
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last 30 patents
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Patent Grant
Player, and source switching method for recording and playback appa...
Patent number
7,773,854
Issue date
Aug 10, 2010
Alpine Electronics, Inc.
Tetsuya Ichikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
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Patent Application
Player, and source switching method for recording and playback appa...
Publication number
20050018999
Publication date
Jan 27, 2005
Tetsuya Ichikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Broadcast receiver
Publication number
20020176372
Publication date
Nov 28, 2002
Tetsuya Ichikawa
H04 - ELECTRIC COMMUNICATION TECHNIQUE