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last 30 patents
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Auditory sense training method and sound processing method for audi...
Patent number
7,227,961
Issue date
Jun 5, 2007
Fumio Denda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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Patent Grant
Auditory sense training method and sound processing method for audi...
Patent number
7,046,813
Issue date
May 16, 2006
Fumio Denda
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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last 30 patents
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Patent Application
Auditory sense training method and sound processing method for audi...
Publication number
20080212796
Publication date
Sep 4, 2008
Fumio Denda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Acoustic Effecter
Publication number
20070201707
Publication date
Aug 30, 2007
Yukihiro Ando
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Auditory sense training method and sound processing method for audi...
Publication number
20060239467
Publication date
Oct 26, 2006
Fumio Denda
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Application
Auditory sense training method and sound processing method for audi...
Publication number
20040136542
Publication date
Jul 15, 2004
Fumio Denda
H04 - ELECTRIC COMMUNICATION TECHNIQUE