P

Inventor

ISHIDA NOBORU

JP94 patents
⚠️ This page may combine multiple inventors who share the name “ISHIDA NOBORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

NGK SPARK PLUG CO

22 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
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
US6812821B2Nov 2, 2004

Humidity sensor

NGK SPARK PLUG CO29 citations93
US6418782B1Jul 16, 2002

Gas concentration sensor

NGK SPARK PLUG CO27 citations93
US6224727B1May 1, 2001

NOx sensor

NGK SPARK PLUG CO32 citations93
US4723862AFeb 9, 1988

Ceramic-metal joint structure

NGK SPARK PLUG CO33 citations93
US4557704ADec 10, 1985

Junction structure of turbine shaft

NGK SPARK PLUG CO44 citations93
US6883371B2Apr 26, 2005

Humidity sensor

NGK SPARK PLUG CO25 citations92
US6652723B1Nov 25, 2003

Hydrogen gas sensor

NGK SPARK PLUG CO17 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
US6344134B1Feb 5, 2002

Method for measuring NOx concentration and NOx concentration sensor

NGK SPARK PLUG CO37 citations92
US6308572B1Oct 30, 2001

Gas concentration sensor

NGK SPARK PLUG CO40 citations92
US5174733ADec 29, 1992

Supercharger

NGK SPARK PLUG CO24 citations92
US4778345AOct 18, 1988

Turbine rotor

NGK SPARK PLUG CO38 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
US4674283AJun 23, 1987

Turbocharging system for an internal combustion engine

NGK SPARK PLUG CO51 citations91
US6635162B2Oct 21, 2003

Gas sensor

NGK SPARK PLUG CO14 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
US5129784AJul 14, 1992

Ceramic rotor and metal shaft assembly

NGK SPARK PLUG CO19 citations82

TERUMO CORP

10 patents

NIPPON MITSUBISHI OIL CORP

7 patents

NIPPON OIL CO LTD

5 patents

ISHIDA NOBORU

3 patents

SANYO ELECTRIC CO

2 patents

NGK SPARK CO LTD

1 patent

Showing the top 50 of 94 patents by PatentIndex Score.