Yoji Murao

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
High-frequency method and apparatus for measuring an amplifier
- Patent number 11,480,604
- Issue date Oct 25, 2022
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power source supply circuit, amplifier, communication device, base...
- Patent number 10,361,693
- Issue date Jul 23, 2019
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Duplexer
- Patent number 10,096,882
- Issue date Oct 9, 2018
- NEC Corporation
- Yoji Murao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Multiple-series amplifying device
- Patent number 9,438,173
- Issue date Sep 6, 2016
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Doherty amplifier
- Patent number 8,736,375
- Issue date May 27, 2014
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Doherty amplifier
- Patent number 8,698,563
- Issue date Apr 15, 2014
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High frequency amplifier, wireless device, and control method
- Patent number 8,519,787
- Issue date Aug 27, 2013
- NEC Corporation
- Yoji Murao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier
- Patent number 7,602,243
- Issue date Oct 13, 2009
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
HIGH-FREQUENCY MEASUREMENT METHOD AND HIGH-FREQUENCY MEASUREMENT AP...
- Publication number 20190369158
- Publication date Dec 5, 2019
- NEC Corporation
- Yoji MURAO
- G01 - MEASURING TESTING
Information Patent Application
POWER SOURCE SUPPLY CIRCUIT, AMPLIFIER, COMMUNICATION DEVICE, BASE...
- Publication number 20180026619
- Publication date Jan 25, 2018
- NEC Corporation
- Yoji MURAO
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
DUPLEXER
- Publication number 20160028143
- Publication date Jan 28, 2016
- NEC Corporation
- Yoji Murao
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
MULTIPLE-SERIES AMPLIFYING DEVICE
- Publication number 20150303879
- Publication date Oct 22, 2015
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
DOHERTY AMPLIFIER
- Publication number 20120146732
- Publication date Jun 14, 2012
- NEC Corporation
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
HIGH FREQUENCY AMPLIFIER, WIRELESS DEVICE, AND CONTROL METHOD
- Publication number 20110285460
- Publication date Nov 24, 2011
- Yoji Murao
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
AMPLIFIER
- Publication number 20080278231
- Publication date Nov 13, 2008
- Yoji Murao
- H03 - BASIC ELECTRONIC CIRCUITRY