Inventor
UKAWA TEIJI
JP46 patents
⚠️ This page may combine multiple inventors who share the name “UKAWA TEIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIHON KOHDEN CORP
30 patentsUS5485838AJan 23, 1996
Non-invasive blood pressure measurement device
NIHON KOHDEN CORP174 citations99
US5355882AOct 18, 1994
Pulse oximeter
NIHON KOHDEN CORP234 citations99
US5267562ADec 7, 1993
Pulse oximeter with probe difference compensation
NIHON KOHDEN CORP252 citations99
US6546267B1Apr 8, 2003
Biological sensor
NIHON KOHDEN CORP392 citations98
US6453184B1Sep 17, 2002
Device for measuring light absorption materials in blood
NIHON KOHDEN CORP169 citations98
US6415236B2Jul 2, 2002
Apparatus for determining concentrations of hemoglobins
NIHON KOHDEN CORP200 citations98
US6622095B2Sep 16, 2003
Apparatus for determining concentrations of hemoglobins
NIHON KOHDEN CORP192 citations97
US5676140AOct 14, 1997
Non-invasive blood pressure measurement device
NIHON KOHDEN CORP58 citations96
US7206621B2Apr 17, 2007
Pulse oximeter
NIHON KOHDEN CORP36 citations92
US10702196B2Jul 7, 2020
Pulse photometer
NIHON KOHDEN CORP2 citations73
US10342465B2Jul 9, 2019
Medical photometer and medical photometer control method
NIHON KOHDEN CORP2 citations73
US10117619B2Nov 6, 2018
Optical sensor
NIHON KOHDEN CORP2 citations73
US9993164B2Jun 12, 2018
Monitoring apparatus
NIHON KOHDEN CORP2 citations68
US12446806B2Oct 21, 2025
Medical photometer and medical photometry system
NIHON KOHDEN CORP0 citations62
US11642053B2May 9, 2023
Medical photometer and medical photometry system
NIHON KOHDEN CORP0 citations62
US10524704B2Jan 7, 2020
Pulse photometer and method for calculating concentration of light absorber in blood
NIHON KOHDEN CORP1 citations62
USRE49055EMay 3, 2022
Venous pressure measurement apparatus
NIHON KOHDEN CORP0 citations60
US9854999B2Jan 2, 2018
Pulse photometer
NIHON KOHDEN CORP0 citations52
US11166665B2Nov 9, 2021
Index output device, index output method, and index output program
NIHON KOHDEN CORP0 citations51
USRE48076EJul 7, 2020
Venous pressure measurement apparatus
NIHON KOHDEN CORP0 citations50
US11974839B2May 7, 2024
Circulatory dynamic measuring apparatus and circulatory dynamic measuring method
NIHON KOHDEN CORP0 citations45
US10722154B2Jul 28, 2020
Medical photometer and medical photometer control method
NIHON KOHDEN CORP0 citations41
US10722153B2Jul 28, 2020
Medical photometer and medical photometer control method
NIHON KOHDEN CORP0 citations41
US10561375B2Feb 18, 2020
Pulse photometer and method for evaluating reliability of calculated value of blood light absorber concentration
NIHON KOHDEN CORP0 citations41
US10485480B2Nov 26, 2019
Probe
NIHON KOHDEN CORP0 citations41
US10349897B2Jul 16, 2019
Biological signal measuring system
NIHON KOHDEN CORP0 citations41
US10791941B2Oct 6, 2020
Apparatus and method for measuring venous pressure
NIHON KOHDEN CORP0 citations40
US10010292B2Jul 3, 2018
Measuring apparatus and measuring method
NIHON KOHDEN CORP0 citations40
US9861322B2Jan 9, 2018
Measurement data monitor for medical equipment and measurement data monitoring system for medical equipment
NIHON KOHDEN CORP0 citations38
US10133340B2Nov 20, 2018
Biological information monitoring system
NIHON KOHDEN CORP0 citations32
UKAWA TEIJI
6 patentsUS8585427B2Nov 19, 2013
Connector, card edge connector, and sensor using the same
UKAWA TEIJI20 citations92
US8744542B2Jun 3, 2014
Cardiopulmonary resuscitation monitoring apparatus
UKAWA TEIJI4 citations72
US8712493B2Apr 29, 2014
Cardiopulmonary resuscitation monitoring apparatus
UKAWA TEIJI4 citations72
US9743846B2Aug 29, 2017
Venous pressure measurement apparatus
UKAWA TEIJI3 citations70
US9566008B2Feb 14, 2017
Biological signal processing apparatus and medical apparatus controlling method
UKAWA TEIJI0 citations41
US9295609B2Mar 29, 2016
Cardiopulmonary resuscitation monitoring apparatus
UKAWA TEIJI0 citations41
TSUJI TOSHIO
3 patentsUNIV HIROSHIMA
3 patentsUS9445727B2Sep 20, 2016
Apparatus for evaluating vascular endothelial function
UNIV HIROSHIMA3 citations71
US11903684B2Feb 20, 2024
Blood pressure measuring apparatus and blood pressure measuring method
UNIV HIROSHIMA0 citations50
US10791942B2Oct 6, 2020
Pulse wave analyzing apparatus
UNIV HIROSHIMA0 citations50