Inventor
ANDO MASASHI
JP25 patents
⚠️ This page may combine multiple inventors who share the name “ANDO MASASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NGK SPARK PLUG CO
13 patentsUS6375828B2Apr 23, 2002
Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor
NGK SPARK PLUG CO82 citations97
US6071393AJun 6, 2000
Nitrogen oxide concentration sensor
NGK SPARK PLUG CO75 citations96
US6923902B2Aug 2, 2005
Methods and apparatus for measuring NOx gas concentration, for detecting exhaust gas concentration and for calibrating and controlling gas sensor
NGK SPARK PLUG CO40 citations95
US6743352B2Jun 1, 2004
Method and apparatus for correcting a gas sensor response for moisture in exhaust gas
NGK SPARK PLUG CO48 citations95
US6224727B1May 1, 2001
NOx sensor
NGK SPARK PLUG CO32 citations93
US7163609B2Jan 16, 2007
Gas sensor having a laminate comprising solid electrolyte layers and alumina substrate
NGK SPARK PLUG CO19 citations92
US6344134B1Feb 5, 2002
Method for measuring NOx concentration and NOx concentration sensor
NGK SPARK PLUG CO37 citations92
US6695964B1Feb 24, 2004
Method and apparatus for measuring NOx gas concentration
NGK SPARK PLUG CO33 citations91
US6214208B1Apr 10, 2001
Method and apparatus for measuring NOx gas concentration
NGK SPARK PLUG CO36 citations91
US6623617B2Sep 23, 2003
Method and apparatus for measuring concentration of a component in a gas
NGK SPARK PLUG CO4 citations63
US7887684B2Feb 15, 2011
Lamination-type gas sensor element and gas sensor
NGK SPARK PLUG CO2 citations62
US7559224B2Jul 14, 2009
Sensor
NGK SPARK PLUG CO3 citations62
US7827849B2Nov 9, 2010
Gas sensor
NGK SPARK PLUG CO0 citations42
PILOT INK CO LTD
7 patentsUSD489088SApr 27, 2004
Ball-point pen
PILOT INK CO LTD71 citations96
USD472577SApr 1, 2003
Ball-point pen
PILOT INK CO LTD66 citations95
US7946777B2May 24, 2011
Multi-refill writing instrument
PILOT INK CO LTD12 citations82
US7083352B2Aug 1, 2006
Ballpoint pen
PILOT INK CO LTD7 citations74
US5904432AMay 18, 1999
Ballpoint pen tip, manufacturing method therefor, and ballpoint pen using the same
PILOT INK CO LTD11 citations72
US5899625AMay 4, 1999
Ballpoint pen tip
PILOT INK CO LTD6 citations72
US6805511B2Oct 19, 2004
Ball point pen
PILOT INK CO LTD5 citations63