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Kazumasa Suzuki
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Hamamatsu, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Audio conference device
Patent number
8,855,286
Issue date
Oct 7, 2014
Yamaha Corporation
Toshiaki Ishibashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Audio conference apparatus
Patent number
8,565,464
Issue date
Oct 22, 2013
Yamaha Corporation
Toshiaki Ishibashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Head for a percussion instrument
Patent number
7,737,351
Issue date
Jun 15, 2010
Yamaha Corporation
Kazumasa Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Grant
Ventilating structure and mounting structure for electronic apparatus
Patent number
7,128,524
Issue date
Oct 31, 2006
Yamaha Corporation
Kazumasa Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ventilating structure and mounting structure for electronic apparatus
Patent number
6,840,629
Issue date
Jan 11, 2005
Yamaha Corporation
Kazumasa Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
AUDIO CONFERENCE DEVICE
Publication number
20140037081
Publication date
Feb 6, 2014
Yamaha Corporation
Toshiaki Ishibashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIO SIGNAL TRANSMISSION/RECEPTION DEVICE
Publication number
20090041283
Publication date
Feb 12, 2009
Yamaha Corporation
Toshiaki Ishibashi
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Head for a percussion instrument
Publication number
20060048630
Publication date
Mar 9, 2006
Yamaha Corporation
Kazumasa Suzuki
G10 - MUSICAL INSTRUMENTS ACOUSTICS
Information
Patent Application
Ventilating structure and mounting structure for electronic apparatus
Publication number
20050046802
Publication date
Mar 3, 2005
Yamaha Corporation
Kazumasa Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Ventilating structure and mounting structure for electronic apparatus
Publication number
20020080334
Publication date
Jun 27, 2002
Kazumasa Suzuki
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR