Inventor

BAN KENJI

JP34 patents

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

NGK SPARK PLUG CO

25 patents

US10714906B1Jul 14, 2020

Spark plug

NGK SPARK PLUG CO9 citations84

US10714908B1Jul 14, 2020

Spark plug

NGK SPARK PLUG CO8 citations83

US11715933B2Aug 1, 2023

Spark plug

NGK SPARK PLUG CO5 citations74

US11431155B2Aug 30, 2022

Spark plug

NGK SPARK PLUG CO6 citations74

US10944244B2Mar 9, 2021

Spark plug

NGK SPARK PLUG CO6 citations72

US10811851B1Oct 20, 2020

Spark plug

NGK SPARK PLUG CO2 citations72

US10777976B1Sep 15, 2020

Spark plug

NGK SPARK PLUG CO4 citations72

US9929541B2Mar 27, 2018

Ignition plug and ignition device

NGK SPARK PLUG CO4 citations71

US11515690B2Nov 29, 2022

Spark plug

NGK SPARK PLUG CO0 citations62

US8853930B2Oct 7, 2014

Ignition plug and method of manufacturing the same

NGK SPARK PLUG CO2 citations62

US10833486B1Nov 10, 2020

Spark plug

NGK SPARK PLUG CO1 citations61

US9246313B2Jan 26, 2016

Ignition system

NGK SPARK PLUG CO2 citations61

US10971901B2Apr 6, 2021

Ignition plug

NGK SPARK PLUG CO0 citations52

US10250016B2Apr 2, 2019

Ignition system

NGK SPARK PLUG CO0 citations52

US8912715B2Dec 16, 2014

Spark plug

NGK SPARK PLUG CO1 citations52

US9775227B2Sep 26, 2017

Non-thermal equilibrium plasma ignition plug and non-thermal equilibrium plasma ignition device

NGK SPARK PLUG CO0 citations50

US9124075B2Sep 1, 2015

Ignition system

NGK SPARK PLUG CO1 citations50

US10178751B2Jan 8, 2019

Ignition plug

NGK SPARK PLUG CO0 citations49

US10107252B2Oct 23, 2018

Ignition plug and ignition device

NGK SPARK PLUG CO1 citations49

US9548592B2Jan 17, 2017

Spark plug

NGK SPARK PLUG CO1 citations46

US10868408B2Dec 15, 2020

Spark plug

NGK SPARK PLUG CO0 citations41

US9368942B2Jun 14, 2016

Ignition plug and ignition system

NGK SPARK PLUG CO0 citations41

US8928212B2Jan 6, 2015

Spark plug

NGK SPARK PLUG CO0 citations40

US9780535B2Oct 3, 2017

Spark plug

NGK SPARK PLUG CO0 citations38

US9325156B2Apr 26, 2016

Spark plug

NGK SPARK PLUG CO0 citations38

BAN KENJI

4 patents

US8531095B2Sep 10, 2013

Spark plug comprising enhanced contamination-resisting and heat-resisting properties

BAN KENJI2 citations61

US8253311B2Aug 28, 2012

Spark plug

BAN KENJI2 citations61

US8102105B2Jan 24, 2012

Spark plug

BAN KENJI5 citations61

US8912714B2Dec 16, 2014

Spark plug

BAN KENJI1 citations51

KYUNO JIRO

1 patent

US8115371B2Feb 14, 2012

Spark plug

KYUNO JIRO4 citations61

KASUYA YUJI

1 patent

US8841826B2Sep 23, 2014

Spark plug

KASUYA YUJI2 citations60

NITERRA CO LTD

1 patent

US12160089B1Dec 3, 2024

Spark plug

NITERRA CO LTD0 citations43

MITSUBISHI ELECTRIC CORP

1 patent

US10522978B2Dec 31, 2019

Ignition plug and ignition system including the same

MITSUBISHI ELECTRIC CORP0 citations41

KUNITOMO IWAO

1 patent

US9000658B2Apr 7, 2015

Spark plug for internal combustion engine

KUNITOMO IWAO0 citations32