Inventor
FUJII NAMITSUGU
JP25 patents
⚠️ This page may combine multiple inventors who share the name “FUJII NAMITSUGU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
20 patentsUS6409899B1Jun 25, 2002
Gas sensor element with lead-proof effect
DENSO CORP22 citations92
US5766434AJun 16, 1998
Oxygen concentration detecting device and method for fabricating the same
DENSO CORP43 citations92
US6660145B2Dec 9, 2003
Oxygen sensor element
DENSO CORP24 citations91
US6354134B1Mar 12, 2002
Oxygen sensing element used in a oxygen sensor
DENSO CORP25 citations91
US7156967B2Jan 2, 2007
Gas sensor element containing a getter
DENSO CORP20 citations88
US7045047B2May 16, 2006
Gas sensor element
DENSO CORP12 citations84
US6174489B1Jan 16, 2001
Method for manufacturing a gas sensor unit
DENSO CORP16 citations84
US6096372AAug 1, 2000
Method for manufacturing O2 sensor with solid electrolyte member using conductive paste element
DENSO CORP18 citations84
US8673128B2Mar 18, 2014
Gas sensor element, gas sensor, and production method thereof
DENSO CORP7 citations80
US7160422B2Jan 9, 2007
Gas sensor incorporating a multilayered gas sensing element
DENSO CORP7 citations73
US6344118B1Feb 5, 2002
Structure of oxygen sensing element
DENSO CORP13 citations73
US6562212B2May 13, 2003
Gas sensor element
DENSO CORP9 citations72
US7211222B2May 1, 2007
Gas sensor
DENSO CORP3 citations62
US6632338B2Oct 14, 2003
Gas sensing element incorporated in a gas sensor for an internal combustion engine
DENSO CORP4 citations62
US6776895B2Aug 17, 2004
Method of producing a gas sensor element
DENSO CORP2 citations61
US6849291B2Feb 1, 2005
Gas sensing element and method for manufacturing the same
DENSO CORP5 citations60
US6478941B2Nov 12, 2002
Gas sensing element and method for manufacturing the same
DENSO CORP3 citations60
US9804119B2Oct 31, 2017
A/F sensor element and method of manufacturing the same
DENSO CORP0 citations48
US9594050B2Mar 14, 2017
A/F sensor element and method of manufacturing the same
DENSO CORP0 citations48
US9540282B2Jan 10, 2017
Gas sensor element and its manufacturing method
DENSO CORP0 citations38
NIPPON DENSO CO
4 patentsUS5593558AJan 14, 1997
Oxygen concentration detector
NIPPON DENSO CO60 citations95
US5472591ADec 5, 1995
Oxygen concentration detector having heat-treated support layer providing high responsivity endurance
NIPPON DENSO CO24 citations92
US5554839ASep 10, 1996
Ceramic heater
NIPPON DENSO CO8 citations72
US5766672AJun 16, 1998
Method of manufacturing an oxygen concentration detector element
NIPPON DENSO CO4 citations63