Inventor
KITSUNEZUKA MASAKI
JP20 patents
⚠️ This page may combine multiple inventors who share the name “KITSUNEZUKA MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KITSUNEZUKA MASAKI
10 patentsUS9362889B2Jun 7, 2016
Bandpass filter
KITSUNEZUKA MASAKI2 citations60
US9036390B2May 19, 2015
Frequency converter that suppresses crosstalk that occurs between a local oscillation signal and a received signal, and receiver that uses the frequency converter
KITSUNEZUKA MASAKI3 citations60
US8818317B2Aug 26, 2014
Frequency converter and receiver that uses the frequency converter
KITSUNEZUKA MASAKI0 citations50
US8798553B2Aug 5, 2014
Signal processing circuit, signal processing method and control program recording medium
KITSUNEZUKA MASAKI1 citations50
US8248111B2Aug 21, 2012
Voltage current converter, differentiation circuit, integration circuit, and filter circuit using the converter, and voltage current conversion method
KITSUNEZUKA MASAKI1 citations50
US8521112B2Aug 27, 2013
Quadrature mixer
KITSUNEZUKA MASAKI0 citations49
US9143313B2Sep 22, 2015
Frequency sweep signal generator, frequency component analysis apparatus, radio apparatus, and frequency sweep signal generating method
KITSUNEZUKA MASAKI0 citations39
US9106491B2Aug 11, 2015
Receiver circuit and filtering method used therein
KITSUNEZUKA MASAKI0 citations39
US8723588B2May 13, 2014
Mixer circuit and variation suppressing method
KITSUNEZUKA MASAKI0 citations39
US8630380B2Jan 14, 2014
Receiver apparatus, image signal attenuating method, and mismatch compensating method
KITSUNEZUKA MASAKI0 citations39
NEC CORP
7 patentsUS11523366B2Dec 6, 2022
Terminal number estimating system, terminal specifying system, terminal number estimating device, terminal number specifying device, and processing method
NEC CORP0 citations62
US7982506B2Jul 19, 2011
Voltage-current converter and filter circuit using same
NEC CORP2 citations62
US10359502B2Jul 23, 2019
Radio wave intensity distribution assessment apparatus, radio wave quality distribution assessment apparatus, radio wave intensity distribution assessment method and radio wave quality distribution assessment method
NEC CORP1 citations61
US12217587B2Feb 4, 2025
Wireless terminal detection system, wireless terminal detection device, wireless terminal detection method, and storage medium having program stored therein
NEC CORP0 citations51
US11802932B2Oct 31, 2023
Transmission source position estimation system, transmission source position estimation method, and transmission source position estimation program
NEC CORP0 citations50
US11514277B2Nov 29, 2022
Sensing system, sensor node device, sensor measurement value processing method, and program
NEC CORP0 citations50
US11408964B2Aug 9, 2022
Location estimating apparatus, location estimating method and program storing recording medium, and location estimating system
NEC CORP0 citations50