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Hiroshi Iriyama
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Shizuoka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-channel echo cancel method, multi-channel sound transfer meth...
Patent number
7,925,006
Issue date
Apr 12, 2011
Yamaha Corporation
Toru Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-channel echo cancel method, multi-channel sound transfer meth...
Patent number
7,925,008
Issue date
Apr 12, 2011
Yamaha Corporation
Toru Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multi-channel echo cancel method, multi-channel sound transfer meth...
Patent number
7,403,609
Issue date
Jul 22, 2008
Yamaha Corporation
Toru Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Three-dimensional sound reproducing apparatus and a three-dimension...
Patent number
7,076,068
Issue date
Jul 11, 2006
Yamaha Corporation
Hiromi Sotome
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Multi-channel echo cancel method, multi-channel sound transfer meth...
Publication number
20070258578
Publication date
Nov 8, 2007
Yamaha Corporation
Toru Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-channel echo cancel method, multi-channel sound transfer meth...
Publication number
20070258579
Publication date
Nov 8, 2007
Yamaha Corporation
Toru Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Multi-channel echo cancel method, multi-channel sound transfer meth...
Publication number
20040174991
Publication date
Sep 9, 2004
Yamaha Corporation
Toru Hirai
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Three-dimensional sound reproducing apparatus and a three-dimension...
Publication number
20030086572
Publication date
May 8, 2003
Yamaha Corporation
HIROMI SOTOME
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
THREE-DIMENSIONAL SOUND REPRODUCING APPARATUS AND A THREE-DIMENSION...
Publication number
20010012367
Publication date
Aug 9, 2001
Yamaha Corporation
HIROMI SOTOME
H04 - ELECTRIC COMMUNICATION TECHNIQUE