Product History

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NGK SPARK PLUG CO., LTD.'s history is the one of challenging new field.

Since our founding in 1936 as a manufacturer of spark plugs, the history of our company has been one of technological innovations. The technology and expertise we accumulate in product development processes is reinvested in new applications, enabling us to grow into new fields of business.
The manufacturing spirit that was built around our core ceramics technology is the DNA of our company, passed on from generation to generation. We continue to nurture and develop new technologies so that we will be able to build the businesses in the future.

Plugs / Engine related

Plugs / Engine related

1930

Spark Plug

1953

Igniter Plug for Aircraft

1962

Coil Type Glow Plug

1963

Metal Type Glow Plug

1965

Copper-Core Spark Plug

1971

Register Plug
V Plug

1974

Spark Plug Resistor Cover
Spark Plug Resistor Cable

1979

V-Grooved Center Electrode Plug

1980

Quick Glow System (QGS™)

1982

Platinum-Tipped Plug

1985

VX Spark Plug
Ceramic Type Glow Plug
Quick Heat System (QHS)
Turbocharger Rotor

1986

Igniter Plug for Rocket
Gasket Type Pressure Sensor

1987

Rocker Arm

1991

QGS-Type Glow Plug (two materials)

1992

Ceramic Tappet

1994

Misfiring Detection System

1995

Power Cable

1996

Iridium Plug

2000

Iridium IX Series Plug
Ignition Coil for Gas Engine

2002

Iridium MAX Series Plug

2004

NHTC Glow Plug

2011

Premium RX Series Plug

Sensors

Sensors

1973

Exhaust Temperature Sensor

1977

Fuse Sensor

1982

Exhaust Gas Oxygen Sensor
Oil Level Sensor

1985

Lean-Burn Sensor
Knock Sensor

1988

EGR Temperature Sensor

1992

Universal A/F Heated Exhaust Gas Oxygen Sensor

1996

Mid-Temperature Fuse Sensor

1998

Water Temperature Sensor
Wide Range Temperature Sensor
Oxygen Sensor for Motorcycles

2000

NOx Sensor

2001

Air Quality Sensor

2004

Urea Level Sensor

2006

Hydrogen Concentration Sensor for Fuel Cell Applications
Hydrogen Leak Detection Seonsor for Fuel Cell Applications

Semiconductors

Semiconductors

1967

Ceramic Substrate
Ceramic IC Package

1968

Co-Fired Package

1971

Cerdip

1976

Glazed Substrate for Thermal Printer

1982

PGA for MPU

1983

Flat Package

1986

Package for Super Computer

1987

Polymide Thin Film Multilayer Package

1988

High Frequency Package

1989

PGA for High-Perfomance MPU

1991

MCM Substrate
Crystal Devices・SAW Filter Package

1992

Aluminum Nitride Product

1997

Flip-Chip Package for MPU

1998

Organic Package

1999

Multi-layer LTCC Substrate
Organic Interposer

2000

Package for Opto-Devices
LTCC RF Component
LTCC Module

2005

Lead Free LTCC

2006

LED Package

2008

Lead Free LTCC (Cu Conductor)
Lead Free Buildup Substrate

2010

Zero-Shrinkage LTCC

2012

High-Strength HTCC Package for Crystal Device

2013

Organic Laminate Substrate

Cutting Tools

Cutting Tools

1958

Ceramic Inserts

1961

Cermet Inserts

1975

Titanium Nitride Insert

1982

New CVD Coated Carbide Insert

1983

Silicon Nitride Ceramic Insert

1987

Cubic Boron Nitride Insert

1990

Micro-grain Carbide Insert

1992

SS Tools

1994

Thorw-Away Endmills

1996

Throw-Away Drills

2000

Milling Cutter

2003

Diamond Insert

2006

Sialon Grade for High Nickel
PVD Coated Cermet Insert

2007

Cutting Tool for Swiss Screw Machine (Boring)

2009

Cutting Tool for Swiss Screw Machine (Cutting off)

2011

Cutting Tool for Swiss Screw Machine (Back Turning)

Medical

Medical

1989年

Bone Prosthesis

1993年

Zirconia Femoral Head

1999年

Oxygen Concentrator
Oxygen Breathing Tuner

2005年

Nebulizer
Hydroxyapatite Cement

2006年

Sleep Apnea Syndrome Screening Inspection Equipment
Ultrasonic Transducer for Scalpel

Industry / Environment

Industry / Environment

1951

Crucible

1954

Textile Yarn Guide

1955

Wear-Resistant Parts

1957

Heat-Resistant Parts

1965

Piezo-Lighter

1966

Ceramic Filter

1967

Ultrasonic Transducer
Seal Valve

1969

Ceramic Tube for VCB
Press Contact Type Package for Power Devices

1972

Handy Lighter

1976

Buzzer
Spark Unit

1979

Piezoelectric Rubber

1981

Ceramic Heater

1983

Piezo-stack

1984

Ultrasonic Sensor
Balls for Bearings

1985

Ultrasonic Meter
Ozonizer
Humidity Sensor

1988

Dielectric Resonator
Dielectric Material
Dielectric Filter

1989

Electro-Static Chuck

1990

Ceramic Fatigue Tester
Room Type Temp/Hum Detector

1992

Vacuum Chuck

1994

Anemometer

1995

Ultrasonic Tool Horn

1996

Meteorological Hydrometer

1997

Ceramic for Air Bearings
Erectrically Conductive Zirconia

1998

Wireless Sensor System

2001

lon Generator Panel
Duct Type Dew Point Detector
Dielectric Duplexer

2003

Case for Electromagnetic Relay
Ball for Hydraulic Lash Adjuster

2005

Room Type Temp/Hum Detector