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Naoki Iwakami
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Yokohama, JP
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last 30 patents
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Patent Grant
Audio signal coding and decoding methods and apparatus and recordin...
Patent number
6,658,382
Issue date
Dec 2, 2003
Nippon Telegraph and Telephone Corporation
Naoki Iwakami
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Methods, apparatuses and recorded medium for reversible encoding an...
Patent number
6,549,147
Issue date
Apr 15, 2003
Nippon Telegraph and Telephone Corporation
Takehiro Moriya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Apparatus and method for efficiently coding plural channels of an a...
Patent number
6,345,246
Issue date
Feb 5, 2002
Nippon Telegraph and Telephone Corporation
Takehiro Moriya
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Method for the modification of LPC coefficients of acoustic signals
Patent number
5,732,188
Issue date
Mar 24, 1998
Nippon Telegraph and Telephone Corp.
Takehiro Moriya
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Acoustic signal transform coding method and decoding method having...
Patent number
5,684,920
Issue date
Nov 4, 1997
Nippon Telegraph & Telephone
Naoki Iwakami
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Coding method and coder for coding input signals of plural channels...
Patent number
5,651,090
Issue date
Jul 22, 1997
Nippon Telegraph & Telephone Corporation
Takehiro Moriya
G06 - COMPUTING CALCULATING COUNTING