Masaki Kitsunezuka

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Wireless terminal detection system, wireless terminal detection dev...
- Patent number 12,217,587
- Issue date Feb 4, 2025
- NEC Corporation
- Jun Sakai
- G08 - SIGNALLING
Information Patent Grant
Transmission source position estimation system, transmission source...
- Patent number 11,802,932
- Issue date Oct 31, 2023
- NEC Corporation
- Masaki Kitsunezuka
- G01 - MEASURING TESTING
Information Patent Grant
Terminal number estimating system, terminal specifying system, term...
- Patent number 11,523,366
- Issue date Dec 6, 2022
- NEC Corporation
- Taichi Ohtsuji
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Sensing system, sensor node device, sensor measurement value proces...
- Patent number 11,514,277
- Issue date Nov 29, 2022
- NEC Corporation
- Masaki Kitsunezuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Location estimating apparatus, location estimating method and progr...
- Patent number 11,408,964
- Issue date Aug 9, 2022
- NEC Corporation
- Masaki Kitsunezuka
- G01 - MEASURING TESTING
Information Patent Grant
Radio wave intensity distribution assessment apparatus, radio wave...
- Patent number 10,359,502
- Issue date Jul 23, 2019
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bandpass filter
- Patent number 9,362,889
- Issue date Jun 7, 2016
- NEC Corporation
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Power detection circuit and power detection method
- Patent number 9,148,184
- Issue date Sep 29, 2015
- NEC Corporation
- Hiroshi Kodama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency sweep signal generator, frequency component analysis appa...
- Patent number 9,143,313
- Issue date Sep 22, 2015
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Receiver circuit and filtering method used therein
- Patent number 9,106,491
- Issue date Aug 11, 2015
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Frequency converter that suppresses crosstalk that occurs between a...
- Patent number 9,036,390
- Issue date May 19, 2015
- NEC Corporation
- Masaki Kitsunezuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Frequency converter and receiver that uses the frequency converter
- Patent number 8,818,317
- Issue date Aug 26, 2014
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Signal processing circuit, signal processing method and control pro...
- Patent number 8,798,553
- Issue date Aug 5, 2014
- NEC Corporation
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Mixer circuit and variation suppressing method
- Patent number 8,723,588
- Issue date May 13, 2014
- NEC Corporation
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Receiver apparatus, image signal attenuating method, and mismatch c...
- Patent number 8,630,380
- Issue date Jan 14, 2014
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Quadrature mixer
- Patent number 8,521,112
- Issue date Aug 27, 2013
- NEC Corporation
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Voltage current converter, differentiation circuit, integration cir...
- Patent number 8,248,111
- Issue date Aug 21, 2012
- NEC Corporation
- Masaki Kitsunezuka
- G11 - INFORMATION STORAGE
Information Patent Grant
Voltage-current converter and filter circuit using same
- Patent number 7,982,506
- Issue date Jul 19, 2011
- NEC Corporation
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

Information Patent Application
WIRELESS TERMINAL DETECTION SYSTEM, WIRELESS TERMINAL DETECTION DEV...
- Publication number 20220270460
- Publication date Aug 25, 2022
- NEC Corporation
- Jun SAKAI
- G08 - SIGNALLING
Information Patent Application
WIRELESS TERMINAL DETECTION SYSTEM, WIRELESS TERMINAL DETECTION MET...
- Publication number 20220264308
- Publication date Aug 18, 2022
- NEC Corporation
- Jun SAKAI
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM, POSITION ES...
- Publication number 20220034989
- Publication date Feb 3, 2022
- NEC Corporation
- Masaki Kitsunezuka
- G01 - MEASURING TESTING
Information Patent Application
LOCATION ESTIMATING APPARATUS, LOCATION ESTIMATING METHOD AND PROGR...
- Publication number 20210341564
- Publication date Nov 4, 2021
- NEC Corporation
- Masaki KITSUNEZUKA
- G01 - MEASURING TESTING
Information Patent Application
TERMINAL NUMBER ESTIMATING SYSTEM, TERMINAL SPECIFYING SYSTEM, TERM...
- Publication number 20210250894
- Publication date Aug 12, 2021
- NEC Corporation
- Taichi OHTSUJI
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
TRANSMISSION SOURCE POSITION ESTIMATION SYSTEM, TRANSMISSION SOURCE...
- Publication number 20210048505
- Publication date Feb 18, 2021
- NEC Corporation
- Masaki KITSUNEZUKA
- G01 - MEASURING TESTING
Information Patent Application
SENSING SYSTEM, SENSOR NODE DEVICE, SENSOR MEASUREMENT VALUE PROCES...
- Publication number 20190340471
- Publication date Nov 7, 2019
- NEC Corporation
- Masaki Kitsunezuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
RADIO ENVIRONMENT ESTIMATION DEVICE, RADIO ENVIRONMENT ESTIMATION S...
- Publication number 20190028215
- Publication date Jan 24, 2019
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RADIO WAVE INTENSITY DISTRIBUTION ASSESSMENT APPARATUS, RADIO WAVE...
- Publication number 20180011164
- Publication date Jan 11, 2018
- NEC Corporation
- Masaki Kitsunezuka
- G01 - MEASURING TESTING
Information Patent Application
RADIO WAVE OBSERVATION SYSTEM, CENTRAL STATION DEVICE, AND RADIO WA...
- Publication number 20150382203
- Publication date Dec 31, 2015
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
BANDPASS FILTER
- Publication number 20150236667
- Publication date Aug 20, 2015
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
FREQUENCY SWEEP SIGNAL GENERATOR, FREQUENCY COMPONENT ANALYSIS APPA...
- Publication number 20140185726
- Publication date Jul 3, 2014
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
RECEIVER CIRCUIT AND FILTERING METHOD USED THEREIN
- Publication number 20140029707
- Publication date Jan 30, 2014
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
SIGNAL PROCESSING CIRCUIT, SIGNAL PROCESSING METHOD AND CONTROL PRO...
- Publication number 20130165063
- Publication date Jun 27, 2013
- NEC Corporation
- Masaki Kitsunezuka
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Frequency converter and receiver that uses the frequency converter
- Publication number 20130102266
- Publication date Apr 25, 2013
- NEC Corporation
- Masaki Kitsunezuka
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Frequency converter and receiver that uses the frequency converter
- Publication number 20130094270
- Publication date Apr 18, 2013
- NEC Corporation
- Masaki Kitsunezuka
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MIXER CIRCUIT AND VARIATION SUPPRESSING METHOD
- Publication number 20130015901
- Publication date Jan 17, 2013
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
POWER DETECTION CIRCUIT AND POWER DETECTION METHOD
- Publication number 20120313680
- Publication date Dec 13, 2012
- Hiroshi Kodama
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
QUADRATURE MIXER
- Publication number 20120098585
- Publication date Apr 26, 2012
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE CURRENT CONVERTER, DIFFERENTIATION CIRCUIT, INTEGRATION CIR...
- Publication number 20100289533
- Publication date Nov 18, 2010
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Application
VOLTAGE-CURRENT CONVERTER AND FILTER CIRCUIT USING SAME
- Publication number 20100176847
- Publication date Jul 15, 2010
- Masaki Kitsunezuka
- H03 - BASIC ELECTRONIC CIRCUITRY

Masaki Kitsunezuka

Person

Patents Grantslast 30 patents

Wireless terminal detection system, wireless terminal detection dev...

Transmission source position estimation system, transmission source...

Terminal number estimating system, terminal specifying system, term...

Sensing system, sensor node device, sensor measurement value proces...

Location estimating apparatus, location estimating method and progr...

Radio wave intensity distribution assessment apparatus, radio wave...

Bandpass filter

Power detection circuit and power detection method

Frequency sweep signal generator, frequency component analysis appa...

Receiver circuit and filtering method used therein

Frequency converter that suppresses crosstalk that occurs between a...

Frequency converter and receiver that uses the frequency converter

Signal processing circuit, signal processing method and control pro...

Mixer circuit and variation suppressing method

Receiver apparatus, image signal attenuating method, and mismatch c...

Quadrature mixer

Voltage current converter, differentiation circuit, integration cir...

Voltage-current converter and filter circuit using same

Patents Applicationslast 30 patents

WIRELESS TERMINAL DETECTION SYSTEM, WIRELESS TERMINAL DETECTION DEV...

WIRELESS TERMINAL DETECTION SYSTEM, WIRELESS TERMINAL DETECTION MET...

POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM, POSITION ES...

LOCATION ESTIMATING APPARATUS, LOCATION ESTIMATING METHOD AND PROGR...

TERMINAL NUMBER ESTIMATING SYSTEM, TERMINAL SPECIFYING SYSTEM, TERM...

TRANSMISSION SOURCE POSITION ESTIMATION SYSTEM, TRANSMISSION SOURCE...

SENSING SYSTEM, SENSOR NODE DEVICE, SENSOR MEASUREMENT VALUE PROCES...

RADIO ENVIRONMENT ESTIMATION DEVICE, RADIO ENVIRONMENT ESTIMATION S...

RADIO WAVE INTENSITY DISTRIBUTION ASSESSMENT APPARATUS, RADIO WAVE...

RADIO WAVE OBSERVATION SYSTEM, CENTRAL STATION DEVICE, AND RADIO WA...

BANDPASS FILTER

FREQUENCY SWEEP SIGNAL GENERATOR, FREQUENCY COMPONENT ANALYSIS APPA...

RECEIVER CIRCUIT AND FILTERING METHOD USED THEREIN

SIGNAL PROCESSING CIRCUIT, SIGNAL PROCESSING METHOD AND CONTROL PRO...

Frequency converter and receiver that uses the frequency converter

Frequency converter and receiver that uses the frequency converter

MIXER CIRCUIT AND VARIATION SUPPRESSING METHOD

POWER DETECTION CIRCUIT AND POWER DETECTION METHOD

QUADRATURE MIXER

VOLTAGE CURRENT CONVERTER, DIFFERENTIATION CIRCUIT, INTEGRATION CIR...

VOLTAGE-CURRENT CONVERTER AND FILTER CIRCUIT USING SAME