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Akihiro Kawata
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Nukata-gun, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Artificial magnet conductor, antenna reflector, and method for calc...
Patent number
10,601,141
Issue date
Mar 24, 2020
Yamaha Corporation
Akihiro Kawata
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Circuit substrate, and noise reduction method for circuit substrate
Patent number
10,111,318
Issue date
Oct 23, 2018
Yamaha Corporation
Akihiro Kawata
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plane-shaped antenna with wide band and high radiation efficiency
Patent number
9,882,283
Issue date
Jan 30, 2018
Yamaha Corporation
Akihiro Kawata
H01 - BASIC ELECTRIC ELEMENTS
Patents Applications
last 30 patents
Information
Patent Application
Circuit Substrate, and Noise Reduction Method for Circuit Substrate
Publication number
20170127510
Publication date
May 4, 2017
YAMAHA CORPORATION
Akihiro KAWATA
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Artificial Magnet Conductor, Antenna Reflector, and Method for Calc...
Publication number
20170098894
Publication date
Apr 6, 2017
YAMAHA CORPORATION
Akihiro KAWATA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Antenna
Publication number
20150162664
Publication date
Jun 11, 2015
YAMAHA CORPORATION
Akihiro Kawata
H01 - BASIC ELECTRIC ELEMENTS