P

Inventor

SATO YOSHIKUNI

JP77 patents
⚠️ This page may combine multiple inventors who share the name “SATO YOSHIKUNI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

21 patents
US6375828B2Apr 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
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
US6418782B1Jul 16, 2002

Gas concentration sensor

NGK SPARK PLUG CO27 citations93
US7337662B2Mar 4, 2008

Electrostatic capacity type liquid state detecting sensor

NGK SPARK PLUG CO20 citations92
US6568281B1May 27, 2003

Ultrasonic-wave propagation-time measuring method, gas-pressure measuring method, gas-flow rate measuring method, and gas sensor

NGK SPARK PLUG CO22 citations92
US6308572B1Oct 30, 2001

Gas concentration sensor

NGK SPARK PLUG CO40 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
US7959863B2Jun 14, 2011

Liquid state detecting sensor

NGK SPARK PLUG CO12 citations84
US7895994B2Mar 1, 2011

Ignition device for plasma jet ignition plug

NGK SPARK PLUG CO12 citations84
US7735354B2Jun 15, 2010

Liquid-condition detection sensor

NGK SPARK PLUG CO10 citations84
US6568240B1May 27, 2003

Method and apparatus using a gas concentration sensor for accurately controlling an air fuel ratio in an internal combustion engine

NGK SPARK PLUG CO15 citations84
US8047172B2Nov 1, 2011

Plasma jet ignition plug

NGK SPARK PLUG CO10 citations83
US7665347B2Feb 23, 2010

Liquid state detecting apparatus

NGK SPARK PLUG CO15 citations83
US7574900B2Aug 18, 2009

Liquid state detection sensor

NGK SPARK PLUG CO9 citations83
US7712363B2May 11, 2010

Liquid state detecting sensor

NGK SPARK PLUG CO7 citations73
US6886412B2May 3, 2005

Ultrasonic-wave propagation-time measuring method and gas concentration sensor

NGK SPARK PLUG CO7 citations73
US7082810B2Aug 1, 2006

Gas sensor

NGK SPARK PLUG CO9 citations72
US8017080B2Sep 13, 2011

Liquid state detecting apparatus

NGK SPARK PLUG CO3 citations62
US6892565B2May 17, 2005

Gas sensor and gas concentration detecting device

NGK SPARK PLUG CO4 citations59

NEC CORP

7 patents

PANASONIC CORP

6 patents

PANASONIC IP MAN CO LTD

5 patents

KAMEDA HIROYUKI

3 patents

A&D CO LTD

2 patents

NUNOME KENJI

2 patents

NIPPON ELECTRIC CO

1 patent

NAKANO DAISUKE

1 patent

SHOWA DENKO KK

1 patent

SATO YOSHIKUNI

1 patent

Showing the top 50 of 77 patents by PatentIndex Score.