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Hideo ARAKI
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Ukyo-Ku, JP
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Patents Grants
last 30 patents
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Patent Grant
Audio amplifier circuit, audio output device using the same, and el...
Patent number
10,164,588
Issue date
Dec 25, 2018
Rohm Co., Ltd.
Hideki Munenaga
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Audio output circuit for driving an electroacoustic conversion element
Patent number
9,762,187
Issue date
Sep 12, 2017
ROHM CO., LTD.
Takayuki Ibusuki
H03 - BASIC ELECTRONIC CIRCUITRY
Patents Applications
last 30 patents
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Patent Application
AUDIO AMPLIFIER CIRCUIT, AUDIO OUTPUT DEVICE USING THE SAME, AND EL...
Publication number
20160315590
Publication date
Oct 27, 2016
Rohm Co., Ltd.
Hideki MUNENAGA
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
AUDIO OUTPUT CIRCUIT
Publication number
20150281831
Publication date
Oct 1, 2015
Rohm Co., Ltd.
Takayuki IBUSUKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE