Yohei OTANI

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Hamamatsu-shi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Power amplifier and input signal adjusting method
- Patent number 9,680,432
- Issue date Jun 13, 2017
- Yamaha Corporation
- Yohei Otani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 9,647,614
- Issue date May 9, 2017
- Yamaha Corporation
- Yohei Otani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power amplifier
- Patent number 9,590,568
- Issue date Mar 7, 2017
- Yamaha Corporation
- Yohei Otani
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
D/A converter circuit and digital input class-D amplifier
- Patent number 7,920,082
- Issue date Apr 5, 2011
- Yamaha Corporation
- Hirotaka Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
POWER AMPLIFIER AND INPUT SIGNAL ADJUSTING METHOD
- Publication number 20160268986
- Publication date Sep 15, 2016
- Yamaha Corporation
- Yohei OTANI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power Amplifier
- Publication number 20160020735
- Publication date Jan 21, 2016
- Yamaha Corporation
- Yohei OTANI
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
D/A converter circuit and digital input class-D amplifier
- Publication number 20100117730
- Publication date May 13, 2010
- Yamaha Corporation
- Hirotaka Kawai
- H03 - BASIC ELECTRONIC CIRCUITRY