Inventor
MIZUTANI KEIGO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “MIZUTANI KEIGO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
18 patentsUS6205843B1Mar 27, 2001
Gas sensing element and a method for measuring a specific gas concentration
DENSO CORP35 citations92
US6554983B2Apr 29, 2003
Gas sensing element employable in an exhaust system of an internal combustion engine
DENSO CORP14 citations83
US6068747AMay 30, 2000
Solid electrolyte gas sensor
DENSO CORP16 citations83
US6740217B2May 25, 2004
Structure of gas sensor designed to minimize error of sensor output
DENSO CORP8 citations74
US6805782B2Oct 19, 2004
Compound layered type of sensing device for multiple measurement
DENSO CORP4 citations63
US6589409B2Jul 8, 2003
Multilayered gas sensing element employable in an exhaust system of an internal combustion engine
DENSO CORP3 citations63
US7867370B2Jan 11, 2011
Gas sensor element
DENSO CORP2 citations62
US10895553B2Jan 19, 2021
Gas sensor
DENSO CORP1 citations61
US11782017B2Oct 10, 2023
Pump electrode and reference electrode for gas sensor
DENSO CORP0 citations50
US10921283B2Feb 16, 2021
Gas sensor for detecting concentration of specific gas component
DENSO CORP0 citations50
US10890552B2Jan 12, 2021
Gas sensor
DENSO CORP0 citations50
US10088448B2Oct 2, 2018
Gas sensor element
DENSO CORP1 citations50
US11209388B2Dec 28, 2021
Gas sensor
DENSO CORP0 citations49
US10088446B2Oct 2, 2018
Gas sensor
DENSO CORP0 citations42
US10788448B2Sep 29, 2020
Gas sensor
DENSO CORP0 citations40
US10036724B2Jul 31, 2018
Gas sensor
DENSO CORP0 citations39
US7351318B2Apr 1, 2008
Gas sensing element
DENSO CORP0 citations39
US10288580B2May 14, 2019
NOx sensor
DENSO CORP0 citations36
NIPPON SOKEN
4 patentsUS7073320B2Jul 11, 2006
Fault detecting apparatus designed to detect different types of faults of gas sensor
NIPPON SOKEN28 citations91
US5985118ANov 16, 1999
Solid electrolyte gas concentration detector
NIPPON SOKEN26 citations90
US7182846B2Feb 27, 2007
Hydrogen-containing gas measurement sensor element and measuring method using same
NIPPON SOKEN8 citations74
US6994780B2Feb 7, 2006
Gas sensor and method of detecting gas concentration
NIPPON SOKEN7 citations63
TOYOTA MOTOR CO LTD
4 patentsUS9732659B2Aug 15, 2017
SOx concentration detection device of internal combustion engine
TOYOTA MOTOR CO LTD2 citations71
US7087151B2Aug 8, 2006
Hydrogen sensor for use in battery overcharge/overdischarge detector and hydrogen leakage detector
TOYOTA MOTOR CO LTD6 citations62
US9970371B2May 15, 2018
Control apparatus and control method for internal combustion engine
TOYOTA MOTOR CO LTD0 citations51
US10712323B2Jul 14, 2020
Control device for gas detector and control method for gas detector
TOYOTA MOTOR CO LTD0 citations42