Yusuke Tajima

Person

Acton, MA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Linearization circuit and related techniques
- Patent number 9,030,255
- Issue date May 12, 2015
- Auriga Measurement Systems, LLC
- Cheryl V. Liss
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Envelope tracking amplifier
- Patent number 8,810,314
- Issue date Aug 19, 2014
- Auriga Measurement Systems, LLC
- Steven A. Mulawski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
High power radio frequency (RF) switch
- Patent number 8,368,451
- Issue date Feb 5, 2013
- Auriga Measurement Systems, LLC
- Steven A. Mulawski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Amplifier circuit
- Patent number 8,289,085
- Issue date Oct 16, 2012
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
RF amplifier modulation circuit and related techniques
- Patent number 8,224,264
- Issue date Jul 17, 2012
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Radio frequency signal frequency converter
- Patent number 5,323,064
- Issue date Jun 21, 1994
- Raytheon Company
- Peter Bacon
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Amplifier having substantially constant D.C. to r.f. conversion eff...
- Patent number 5,025,225
- Issue date Jun 18, 1991
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Biasing networks for matrix amplifiers
- Patent number 5,021,743
- Issue date Jun 4, 1991
- Raytheon Company
- Shiou L. L. Chu
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Transversal and recursive filters useable in a diplexer
- Patent number 5,021,756
- Issue date Jun 4, 1991
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Monolithic programmable attenuator
- Patent number 4,787,686
- Issue date Nov 29, 1988
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency conversion circuits
- Patent number 4,709,410
- Issue date Nov 24, 1987
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Monolithic programmable attenuator
- Patent number 4,684,965
- Issue date Aug 4, 1987
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Frequency conversion circuits
- Patent number 4,662,000
- Issue date Apr 28, 1987
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Radio frequency multiplier producing an even harmonic output
- Patent number 4,660,006
- Issue date Apr 21, 1987
- Raytheon Company
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Hybrid coupler having interlaced coupling conductors
- Patent number 4,532,484
- Issue date Jul 30, 1985
- Raytheon Company
- Yusuke Tajima
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
OUTPHASING POWER AMPLIFIER HAVING UNBALANCED DRIVE POWER
- Publication number 20150295540
- Publication date Oct 15, 2015
- Auriga Measurement Systems, LLC
- John Muir
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
OUTPUT POWER TUNING USING PULSE POSITION AND PULSE WIDTH CONTROL IN...
- Publication number 20150222230
- Publication date Aug 6, 2015
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Using Multiple-Driver Stages to Realize Fast Rise/Fall Time And Lar...
- Publication number 20140368278
- Publication date Dec 18, 2014
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Load Tuning Circuit For Pulse-Width / Pulse-Position Modulation Amp...
- Publication number 20140368268
- Publication date Dec 18, 2014
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Direct Biasing A Gate Electrode Of A Radio Frequency Power Amplifie...
- Publication number 20140368279
- Publication date Dec 18, 2014
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Interference Tolerant, Broadband Radio Frequency Amplifier
- Publication number 20140253245
- Publication date Sep 11, 2014
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Linearization Circuit and Related Techniques
- Publication number 20130241655
- Publication date Sep 19, 2013
- Auriga Measurement Systems, LLC
- Cheryl V. Liss
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Power Amplification System Using Doherty Amplifier with Linearizati...
- Publication number 20130241656
- Publication date Sep 19, 2013
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Envelope Tracking Amplifier
- Publication number 20130207721
- Publication date Aug 15, 2013
- Auriga Measurement Systems, LLC
- Steven A. Mulawski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
High Power Radio Frequency (RF) Switch
- Publication number 20110241755
- Publication date Oct 6, 2011
- Auriga Measurement Systems, LLC
- Steven A. Mulawski
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
Amplifier Circuit
- Publication number 20110140784
- Publication date Jun 16, 2011
- Auriga Measurement Systems, LLC
- Yusuke Tajima
- H03 - BASIC ELECTRONIC CIRCUITRY

Yusuke Tajima

Person

Patents Grantslast 30 patents

Linearization circuit and related techniques

Envelope tracking amplifier

High power radio frequency (RF) switch

Amplifier circuit

RF amplifier modulation circuit and related techniques

Radio frequency signal frequency converter

Amplifier having substantially constant D.C. to r.f. conversion eff...

Biasing networks for matrix amplifiers

Transversal and recursive filters useable in a diplexer

Monolithic programmable attenuator

Frequency conversion circuits

Monolithic programmable attenuator

Frequency conversion circuits

Radio frequency multiplier producing an even harmonic output

Hybrid coupler having interlaced coupling conductors

Patents Applicationslast 30 patents

OUTPHASING POWER AMPLIFIER HAVING UNBALANCED DRIVE POWER

OUTPUT POWER TUNING USING PULSE POSITION AND PULSE WIDTH CONTROL IN...

Using Multiple-Driver Stages to Realize Fast Rise/Fall Time And Lar...

Load Tuning Circuit For Pulse-Width / Pulse-Position Modulation Amp...

Direct Biasing A Gate Electrode Of A Radio Frequency Power Amplifie...

Interference Tolerant, Broadband Radio Frequency Amplifier

Linearization Circuit and Related Techniques

Power Amplification System Using Doherty Amplifier with Linearizati...

Envelope Tracking Amplifier

High Power Radio Frequency (RF) Switch

Amplifier Circuit