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Technological Development Timeline

Since its foundation, DENSO has contributed to the realization of a new automotive society by repeatedly developing technologies and products that are ahead of the times, while refusing to compromise on quality. The following introduces many of the "world-first" products that DENSO has developed through its innovative technology.

  • Foundation and early years
  • 1980s to 1990s
  • Early 2000s
  • 2005 to today

Foundation and early years

1949 Establishment of Nippondenso Co., Ltd., after separation from Toyota Motor Co., Ltd.
1949Establishment of Nippondenso Co., Ltd., after separation from Toyota Motor Co., Ltd.
1954Established technical training center

1980s to 1990s

1987 Developed car navigation system using CD digital maps
1987Developed car navigation system using CD digital maps
1994 Invented QR code, a matrix bar code
1994Invented QR code, a matrix bar code
1995 Developed first mass-produced common rail fuel-injection system
1995Developed first mass-produced common rail fuel-injection system
1997 Developed long-life iridium plugs with superfine iridium alloy center electrodes
1997Developed long-life iridium plugs with superfine iridium alloy center electrodes
1997 Developed two-dimensional scanning laser radar system that scans using vertical and horizontal beams
1997Developed two-dimensional scanning laser radar system that scans using vertical and horizontal beams

Early 2000s

2000 Introduced semiconductor into stator coil. With simultaneous transition to use of one regulator chip, achieved high efficiency and power in small and light sizes
2000Introduced semiconductor into stator coil. With simultaneous transition to use of one regulator chip, achieved high efficiency and power in small and light sizes
2000 Started mass production of Single Fin Cooling Module, which integrates the radiator and condenser
2000Started mass production of Single Fin Cooling Module, which integrates the radiator and condenser
2001 Developed heat pump water heater using the natural refrigerant CO2
2001Developed heat pump water heater using the natural refrigerant CO₂
2002 Developed common rail system that reaches 180 MPa injection pressure through the use of outer-cam-type supply pump
2002Developed common rail system that reaches 180 MPa injection pressure through the use of outer-cam-type supply pump
2003 Developed world's first ejector combining the functions of an expansion valve and compressor, which efficiently uses energy lost after use of conventional expansion valve
2003Developed world's first ejector combining the functions of an expansion valve and compressor, which efficiently uses energy lost after use of conventional expansion valve
2003 Developed millimeter-wave radar and pre-crash electronic control unit as pre-crash safety systems to reduce damage from impact
2003Developed millimeter-wave radar and pre-crash electronic control unit as pre-crash safety systems to reduce damage from impact
2004 Developed electric compressor that achieves both comfortable air conditioning and fuel efficiency during an idling stop
2004Developed electric compressor that achieves both comfortable air conditioning and fuel efficiency during an idling stop
2004 Developed mercury-free eco-friendly discharge headlamp ballast
2004Developed mercury-free eco-friendly discharge headlamp ballast

2005 to today

2006 Developed electric variable cam timing (VCT) powered by the motor rather than hydraulic pressure, leading to increased performance and fuel efficiency and reduced environmental impact
2006Developed electric variable cam timing (VCT) powered by the motor rather than hydraulic pressure, leading to increased performance and fuel efficiency and reduced environmental impact
2006 Developed matrix infrared sensors for controlling air conditioning to match the surface temperature of passengers when they enter the vehicle
2006Developed matrix infrared sensors for controlling air conditioning to match the surface temperature of passengers when they enter the vehicle
2007 Developed small, high-output inverter with cooling on both sides
2007Developed small, high-output inverter with cooling on both sides
2008 Developed night-view system for detection of pedestrians using near-infrared rays
2008Developed night-view system for detection of pedestrians using near-infrared rays
2009 Developed world's first radiator tank made from plant-derived resin (from the castor oil tree) as an environmental initiative
2009Developed world's first radiator tank made from plant-derived resin (from the castor oil tree) as an environmental initiative
2009 Developed first remote touch controller with a two-dimensional cursor
2009Developed first remote touch controller with a two-dimensional cursor
2009 Developed ejector-based car air conditioning system
2009Developed ejector-based car air conditioning system
2010 Developed UC injector with two injectors on each suction port and smaller-than-ever fuel particle injection
2010Developed UC injector with two injectors on each suction port and smaller-than-ever fuel particle injection
2011 Developed ISS (idle-stop system) tandem solenoid starter to make it possible to restart the engine when it is coasting, shaving up to 1.5 seconds off the restart time
2011Developed ISS (idle-stop system) tandem solenoid starter to make it possible to restart the engine when it is coasting, shaving up to 1.5 seconds off the restart time
2011 Launched 20 MPa direct-injector, high-pressure pump with state-of-the-art injection, atomization, and spray formation technologies, as well as durability
2011Launched 20 MPa direct-injector, high-pressure pump with state-of-the-art injection, atomization, and spray formation technologies, as well as durability
2012 Developed motor generator using DENSO's proprietary coil technology
2012Developed motor generator using DENSO's proprietary coil technology
2012 Developed air-conditioning system that divides the car interior into three zones, the driver's seat, front passenger seat, and rear seats, and allows air conditioning of the driver's seat only if there are no passengers
2012Developed air-conditioning system that divides the car interior into three zones, the driver's seat, front passenger seat, and rear seats, and allows air conditioning of the driver's seat only if there are no passengers
2013 Developed common rail fuel injection system for use in diesel engines that realized the world's highest* injection pressure of 2,500 bar * For diesel common rail fuel injection systems comprising injector, fuel pump, and common rail. As at June 2013, DENSO data.
2013Developed common rail fuel injection system for use in diesel engines that realized the world's highest* injection pressure of 2,500 bar

* For diesel common rail fuel injection systems comprising injector, fuel pump, and common rail. As at June 2013, DENSO data.

2014 Developed a new automotive climate control unit that sets a new standard by being the first to be installable, by both automakers and in the aftersales market, in a wide variety of vehicles, from compacts to luxury cars
2014Developed highly standardized automotive climate control unit which can be installed across vehicle models from compacts to luxury cars.
2014 Developed an exhaust gas recirculation (EGR) valve unit, the first in the world to integrate the air intake throttle valve and the EGR valve, that is half the size of conventional products and reduces costs by 20%
2014Developed an exhaust gas recirculation (EGR) valve unit, the first in the world to integrate the air intake throttle valve and the EGR valve, that is half the size of conventional products and reduces costs by 20%