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

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

1980s to 1990s

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

Early 2000s

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

2005 to today

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 (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 (2006)
Developed matrix infrared sensors for controlling air conditioning to match the surface temperature of passengers when they enter the vehicle(2006)
Developed matrix infrared sensors for controlling air conditioning to match the surface temperature of passengers when they enter the vehicle (2006)
Developed small, high-output inverter with cooling on both sides(2007)
Developed small, high-output inverter with cooling on both sides (2007)
Developed night-view system for detection of pedestrians using near-infrared rays(2008)
Developed night-view system for detection of pedestrians using near-infrared rays (2008)
Developed world’s first radiator tank made from plant-derived resin (from the castor oil tree) as an environmental initiative(2009)
Developed 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(2009)
Developed first remote touch controller with a two-dimensional cursor (2009)
Developed ejector-based car air conditioning system(2009)
Developed ejector-based car air conditioning system (2009)
Developed UC injector with two injectors on each suction port and smaller-than-ever fuel particle injection(2010)
Developed UC injector with two injectors on each suction port and smaller-than-ever fuel particle injection (2010)
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(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 (2011)
Launched 20 MPa direct-injector, high-pressure pump with state-of-the-art injection, atomization, and spray formation technologies, as well as durability(2011)
Launched 20 MPa direct-injector, high-pressure pump with state-of-the-art injection, atomization, and spray formation technologies, as well as durability (2011)
Developed motor generator using DENSO’s proprietary coil technology(2012)
Developed 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(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 (2012)
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Technological Development Timeline
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