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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Audio processing apparatus
Patent number
7,567,682
Issue date
Jul 28, 2009
Sony Corporation
Yuji Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio reproducing apparatus
Patent number
7,502,477
Issue date
Mar 10, 2009
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Transmitter of infrared transmission system and reproducing apparat...
Patent number
6,968,062
Issue date
Nov 22, 2005
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio processing apparatus
Patent number
6,928,179
Issue date
Aug 9, 2005
Sony Corporation
Yuji Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Headphone device
Patent number
6,021,205
Issue date
Feb 1, 2000
Sony Corporation
Yuji Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image/audio reproducing system
Patent number
5,959,597
Issue date
Sep 28, 1999
Sony Corporation
Yuji Yamada
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Angle detection apparatus and audio reproduction apparatus using it
Patent number
5,844,816
Issue date
Dec 1, 1998
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Video signal and audio signal reproducing apparatus
Patent number
5,796,843
Issue date
Aug 18, 1998
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio reproducing apparatus and headphone
Patent number
5,761,314
Issue date
Jun 2, 1998
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Signal processing apparatus and acoustic reproducing apparatus
Patent number
5,757,931
Issue date
May 26, 1998
Sony Corporation
Yuji Yamada
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Angle detection apparatus and audio reproduction apparatus using it
Patent number
5,717,767
Issue date
Feb 10, 1998
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Digital filter and apparatus for reproducing sound using the digita...
Patent number
5,717,727
Issue date
Feb 10, 1998
Sony Corporation
Yuji Yamada
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Audio reproducing apparatus corresponding to picture
Patent number
5,696,831
Issue date
Dec 9, 1997
Sony Corporation
Kiyofumi Inanaga
A63 - SPORTS GAMES AMUSEMENTS
Information
Patent Grant
Vibration type gyroscope apparatus
Patent number
5,696,420
Issue date
Dec 9, 1997
Sony Corporation
Kiyofumi Inanaga
G01 - MEASURING TESTING
Information
Patent Grant
Audio reproduction apparatus
Patent number
5,687,239
Issue date
Nov 11, 1997
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
System and methd for reproducing sound
Patent number
5,590,094
Issue date
Dec 31, 1996
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Headphone apparatus having means for detecting gyration of user's head
Patent number
5,526,429
Issue date
Jun 11, 1996
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio signal reproducing apparatus
Patent number
5,495,534
Issue date
Feb 27, 1996
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic signal reproducing apparatus
Patent number
5,452,359
Issue date
Sep 19, 1995
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound collecting system and sound reproducing system
Patent number
5,367,506
Issue date
Nov 22, 1994
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Earphone device
Patent number
5,276,740
Issue date
Jan 4, 1994
Sony Corporation
Kiyofumi Inanaga
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hearing aid
Patent number
5,228,089
Issue date
Jul 13, 1993
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic signal reproducing apparatus
Patent number
5,181,248
Issue date
Jan 19, 1993
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Induction speaker
Patent number
5,062,140
Issue date
Oct 29, 1991
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Sound reproducing apparatus
Patent number
5,022,486
Issue date
Jun 11, 1991
Sony Corporation
Masayoshi Miura
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Deleterious mechanical vibrations from dynamic loudspeaker offset b...
Patent number
4,176,249
Issue date
Nov 27, 1979
Sony Corporation
Kiyofumi Inanaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Patents Applications
last 30 patents
Information
Patent Application
Audio processing apparatus
Publication number
20050185810
Publication date
Aug 25, 2005
Sony Corporation
Yuji Yamada
H04 - ELECTRIC COMMUNICATION TECHNIQUE