Inventor
SUGIYAMA TOMIO
JP22 patents
⚠️ This page may combine multiple inventors who share the name “SUGIYAMA TOMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
15 patentsUS6332965B1Dec 25, 2001
Composite gas sensor
DENSO CORP32 citations93
US6340419B1Jan 22, 2002
Multilayered air-fuel ratio sensing element
DENSO CORP32 citations92
US6205843B1Mar 27, 2001
Gas sensing element and a method for measuring a specific gas concentration
DENSO CORP35 citations92
US5830339ANov 3, 1998
Gas concentration detector
DENSO CORP22 citations92
US5787866AAug 4, 1998
Air-fuel ratio sensor
DENSO CORP38 citations92
US7045047B2May 16, 2006
Gas sensor element
DENSO CORP12 citations84
US6258233B1Jul 10, 2001
Multilayered air-fuel ratio sensing element
DENSO CORP14 citations74
US6110348AAug 29, 2000
NOx sensor and manufacturing method of the same
DENSO CORP7 citations74
US6338782B1Jan 15, 2002
Gas sensor
DENSO CORP12 citations73
US5811660ASep 22, 1998
Air-fuel ratio sensing element
DENSO CORP7 citations73
US6156176ADec 5, 2000
Air fuel ratio sensor with oxygen pump cell
DENSO CORP15 citations68
US6660142B2Dec 9, 2003
Nonfragile and quickly activatable structure of gas sensor element
DENSO CORP5 citations62
US6949175B2Sep 27, 2005
Gas sensing element
DENSO CORP1 citations51
US9709457B2Jul 18, 2017
Method of detecting defects in honeycomb structural body
DENSO CORP1 citations50
US7824531B2Nov 2, 2010
Multilayered air-fuel ratio sensor
DENSO CORP0 citations42
NIPPON DENSO CO
6 patentsUS5447618ASep 5, 1995
Oxygen sensor
NIPPON DENSO CO28 citations92
US5419828AMay 30, 1995
Air fuel ratio detecting apparatus and method for manufacturing thereof
NIPPON DENSO CO51 citations91
US5522979AJun 4, 1996
Stratified ceramic body, oxygen sensor using the same and fabrication method thereof
NIPPON DENSO CO35 citations87
US5660661AAug 26, 1997
Oxygen sensor
NIPPON DENSO CO11 citations74
US5421984AJun 6, 1995
Oxygen concentration sensor
NIPPON DENSO CO16 citations74
US5804699ASep 8, 1998
Air-fuel ratio sensor unit
NIPPON DENSO CO15 citations73