Aisin Seiki Co., Ltd.

Company Profile



2-1 Asahi-machi, Kariya, Aichi 448-8650, Japan

Business Overview

-A major firm of the Aisin Group. It is a parent company of Aisin AW, Aisin AI, Advics, Aisin Takaoka, Aisin Chemical, and other group companies. 

-The Company's business consists of the automotive parts business, lifestyle- and energy-related business, and wellness-related products.
-Its auto parts business division manufactures following products:
>>>Major Business Segments and Products of the Aisin Group

  • Engine products
  • Drivetrain products
  • Brake systems and Chassis products
  • Body products
  • Information products


-The Aisin Group will integrate its development and production functions as follows in order to become more competitive in the global market.

  • Manual transmission business: integrating Toyota's development and production functions into Aisin AI
  • Brake business: integrating development and production functions of Toyota, Denso, and Aisin Seiki into Advics
  • Body parts business: Aisin Seiki converting Shiroki Corporation into its wholly owned subsidiary
  • Seat components business: integrating seat-related business at Aisin Seiki and Shiroki Corporation into Toyota Boshoku

Business Highlights

 -Sales in FY ended March 2018 reached JPY 3,908.9 billion. Sales generated through business within the Toyota Group accounted for 58.0% of the total sales.    

-As for the growth rate compared with the previous year sales in FY ended March 2018, GAC top the next PSA and Changan Automobile.
>>>Sales by Customer

-Sales in FY ended March 2018 expect JPY 3,980 billion and sales amount ratio to Toyota group will be 55.2%.

-The Company is strengthening the development of ITS products. It is expanding the scope of its product development into fuel cells, laser technologies, and other cutting edge technologies.


-Listed on the first section of the Tokyo Stock Exchange and Nagoya Stock Exchange. (As of Mar. 31, 2018)
Name or Company name Investment Ratio (%)
Toyota Motor Corp. 24.81
Toyota Industries, Ltd. 7.68
Denso Corp. 4.81
Japan Trustee Services Bank (Trust Account) 3.72
The Master Trust Bank of Japan, Ltd. (Trust Account) 3.46
Towa Real Estate Co., Ltd. 2.35
Nippon Life Insurance Company 2.10
Sompo Japan Nipponkoa Insurance Inc. 1.37
Meiji Yasuda Life Insurance Company 1.36
National Mutual Insurance Federation of Agricultural Cooperatives 1.27
Total 52.97



Automatic Transmission
-Aisin AW

  • High torque capacity RWD 8-speed automatic transmissions
  • High torque capacity RWD 6-speed automatic transmissions
  • Medium torque capacity RWD 6-speed automatic transmissions
  • Medium torque capacity FWD 6-speed automatic transmissions
  • High torque capacity FWD 6-speed automatic transmissions

-Aisin Seiki

  • RWD 6-speed automatic transmissions for light duty trucks & buses
  • RWD 5-speed automatic transmissions for medium duty trucks & buses
  • RWD 4-speed automatic transmissions with transfer for light duty trucks
  • Power-shift transmissions for forklift trucks

Manual Transmission
-Aisin AI

  • High torque capacity FWD 6-speed manual transmissions
  • Middle torque capacity FWD 6-speed manual transmissions
  • High torque capacity RWD 6-speed manual transmissions
  • Middle torque capacity RWD 6-speed manual transmissions

CVT and others
-Aisin AW

  • Medium torque capacity Continuously Variable Transmissions - CVT
  • Small Torque capacity CVTs
  • Medium torque capacity FR 2 Motor Hybrid Transmissions
  • FR Multi-stage Hybrid Transmissions
  • Small torque capacity FF Motor Hybrid Transmissions

-Aisin Seiki, Aisin AI

  • Automated manual transmissions

-Aisin AI

  • High torque capacity for RWD transfer cases
  • Hybrid Transmissions for commercial vehicle

-Aisin Seiki

  • Automated manual transmissions
  • Differential gears with 2WD-4WD shift-actuator for all terrain vehicles
  • Clutch covers
  • Clutch discs
  • Clutch master cylinders
  • Concentric slave cylinders
  • 2WD-4WD motor shift actuators
  • Dampers for hybrid vehicles

-Aisin Takaoka

  • Aluminum die casting oil pump covers

-Aisin Chemical

  • High-µs wet friction materials for automatic transmission
  • High heat-resistance wet friction materials for automatic transmission
  • Non-solvent dry friction materials for manual transmission

Brake and Chassis


  • Disc brake
  • Brake boosters & Brake master cylinders with brake assist
  • ABS modulators
  • Electric control brake systems
  • ESC modulators
  • Hydraulic boosters
  • Disc brake calipers
  • Brake pads
  • Disc brake rotors (Brake disc)
  • Brake assemblies
  • Electric parking brakes
  • Foot release type parking brake pedals

-Aisin Seiki

  • Speed sensors integrated with hub
  • Speed sensors

-Aisin Takaoka

  • High carbon disc rotors

-Aisin Seiki

  • Actuators for electric active stabilizer
  • Air suspension systems

-Aisin AW

  • Power tilt & telescopic steering column with ECU


Door related products
-Aisin Seiki

  • Window regulators
  • Power slide door systems
  • Power back door systems
  • Power door locks
  • Slide door closers
  • Door hinges
  • Door checks
  • Outside door handles
  • Inside door handles
  • Door handles for smart key systems

-Aisin Takaoka

  • "Die quench" door beam


  • Door frames

Roof, exterior, and structural components
-Aisin Seiki

  • Frame moldings; zinc die cast
  • Roof rails
  • Rear spoilers
  • Sunroofs

-Aisin Chemical

  • Structural Adhesive


  • Frame moldings; stainless steel

Seat components
-Aisin Seiki

  • Occupant weight sensing systems
  • Rear seat relaxation systems
  • Power retractable seats
  • Seat slide sensors for airbag control
  • Passenger detection sensors
  • Pneumatic seat


  • Power seats
  • Seat recliners
  • Manual operated seats


-Aisin Seiki

  • Crash box
  • Center pillar garnishes
  • Grille shutters

-Aisin Takaoka

  • A-pillar reinforcement
  • Bumper reinforcement

-Aisin Chemical

  • High performance spray damping coat
  • Waterborne anti-corrosion paint

Engine related products

-Aisin Seiki

  • Engine front modules; timing chain case with water pump and oil pump
  • Water pumps
  • 3-stage variable discharge oil pumps
  • Variable valve timings
  • Oil control valves
  • Intake manifolds
  • Variable intake manifolds with an integrated rotary valve, co-developed with MANN+HUMMEL
  • Pistons
  • Oil pans
  • Aluminium cylinder head covers
  • Magnesium cylinder head covers
  • Fuel rails
  • Electric oil pumps
  • Electric water pumps for cooling engine
  • Electric water pumps for cooling inverter

-Aisin Takaoka

  • High heat resistant "Vanadium Cast Iron" exhaust manifolds
  • Stainless steel exhaust manifolds with independent air gapped inner pipe and catalyst
  • SUS exhaust manifolds
  • High performance exhaust modules

-Aisin Chemical

  • Accumulator pistons

Information Related Products

-Aisin AW

  • Lexus microSD voice navigation systems for Japan
  • Toyota SD voice navigation systems for Japan
  • Toyota microSD voice navigation systems for the Middle East
  • Lexus microSD voice navigation systems for Europe
  • Daihatsu SD voice navigation systems for Japan
  • Audi/VW voice navigation systems for Japan
  • Shanghai GM (Delphi) SSD voice navigation systems for China
  • NAVlelite car navigation application system designed for Smartphones

-Aisin Seiki

  • Intelligent parking assist with ultrasonic sensors
  • GPS antenna
  • Driver monitor systems
  • Wide-view front monitors
  • Multi-terrain monitors
  • Image processing computers

>>>Major Business Segments and Products of the Aisin Group


Jun. 1949 Established Aichi Kogyo Co., Ltd. with capital of 15 million yen.
Jul. 1952 Aichi Kogyo Co. was listed on the Nagoya Stock Exchange.
Jun. 1953 Began manufacturing die-cast products.
Mar. 1960 Shinkawa Kogyo Co., Ltd. spun off its Casting Division and established Takaoka Kogyo Co., Ltd.(current Aisin Takaoka)
Aug. 1961 Started producing automotive transmissions at Aichi Kogyo Co., Ltd.
Oct. 1961 Aichi Kogyo was listed on the first section of the Nagoya Stock Exchange.
Aug. 1965 Aichi Kogyo acquired Shinkawa Kogyo (capital of 656 million yen) and changed the Company name to Aisin Seiki Co., Ltd. (capital of 2,856 million yen) The Company took over the operations of Shinkawa Plant (established in March 1945) and Shintoyo Plant (established in Aug.1961) from Shinkawa Kogyo accordingly.
May 1969 Established Aisin-Warner Ltd. (now Aisin AW Co., Ltd.) based on a joint-venture with BorgWarner.
May 1970 Was listed on the first section of both the Tokyo Stock Exchange and the Osaka Stock Exchange.
May 1970 Opened Fujioka Proving Ground
Oct. 1970 Established Aisin U.S.A., Inc.
Oct. 1971 Established Aisin Europe S.A.
Nov. 1972 Established Aisin (Australia) Pty., Ltd.
Mar. 1973 Capital investment in Liberty Mexicana S.A. DE C.V.
Jan. 1974 Established Aisin Do Brasil Com. E IND Ltda.
Aug. 1977 Established Aisin Asia Pte. Ltd.
Sep. 1979 Established Elite Sewing Machine Mfg. Co., Ltd.
Apr. 1985 Established Aisin Maintenance Co., Ltd.
Apr. 1985 Established Aisin Engineering Co., Ltd.
Jul. 1986 Established Institut Minoru De Recherche Avancee S.A. (IMRA Europe S.A. at present)
Jul. 1988 Established Aisin America, Inc.
Jul. 1988 Established Aisin U.S.A. Mfg., Inc.
Nov. 1988 Established Aisin Newhard Co., Ltd.
Feb.1990 Established Aisin Human Systemes Co., Ltd.
May 1990 Established IMRA America, Inc.
July 1991 Established Aisin AI Co., Ltd. (Separation of Shiroyama Plant)
Dec. 1991 Established Aisin Material R&D Co., Ltd. (IMRA Material R&D Co., Ltd. at present)
Mar. 1992 Established Aisin AW Precision Co., Ltd.
Aug. 1992 Established Aisin Tohoku Co., Ltd.
Oct. 1992 Established Aisin Cosmos R&D Co., Ltd.
Oct. 1992 Aisin U.S.A., Inc. and Aisin America Inc. were merged and Aisin World Corp. of America was established.
Dec. 1992 Opened Toyokoro Proving Ground
Apr.1993 Established Aisin Kyushu Co., Ltd.
Jun. 1995 Established Aisin Hongda Automobile Parts Co., Ltd.
Aug. 1995 Established PT. Aisin Inodonesia.
Apr. 1996 Established Tangshan Aisin Gear Co., Ltd.
May 1996 Established Aisin Electronics Inc.
Jul. 1996 Established Aisin Mexicana S.A. De C.V.
Aug. 1996 Established Brake System Comprehensive R&D Center
Oct. 1996 Established Aisin Drivetrain, Inc.
Nov. 1996 Established Aisin Automotive Casting, Inc.
Dec. 1996 Established Siam Aisin Co., Ltd.
Jul. 1997 Established Tianjin Aisin Automobile Parts Co., Ltd.
Jul. 1997 Obtained QS9000 and ISO9001 certification
Jan.1998 Established Aisin Europe Manufacturing (UK) Ltd.
Apr.1999 Obtained ISO14001 certification for all plants
Jul. 1999 Established Aisin NTTF Private Ltd.
Jan. 2001 Established Aisin Holdings of America, Inc. and Aisin World Corp. of America.
Jan. 2001 Established Aisin Personnel Service, Inc.
May 2001 Established Aisin Tianjin Body Parts Co., Ltd.
Jun. 2001 Zhejiang Aisin Elite Machinery and Electric Co., Ltd.
Jul. 2001 Established ADVICS Co. Ltd. as a joint venture among Denso, Sumitomo Electrics Industries, Toyota Motor, and the Company.
Oct. 2001 Established Aisin Brake & Chassis, Inc.
Oct. 2001 Established Aisin Mfg. Illinois, LLC.
Dec. 2001 Established Hangzhou Aisin INAX Machinery& Electric Co., Ltd.
Oct. 2002 Established Aisin Canada Inc.
Nov. 2002 Established Aisin Europe Manuacturing Czech s.r.o
Aug. 2003 Established Aisin Light Metals, LLC.
Feb. 2004 Established Aisin Automotive Casting Tennessee, Inc.
Apr. 2004 Established Aisin Seiki Foshan Automotive Parts Co., Ltd.
Apr. 2004 Established Aisin Electronics Illinois, LLC.
May 2004 Established Mfg. Aguascalientes, S.A. De C.V.
Aug. 2004 Established Otomotiv Parcalari Sanayi Ve Ticaret A. S.
Sep. 2004 Established Fengai (Guangzhou) Automotive Seat Parts Co., Ltd
Dec. 2004 Established Aisin Seiki Foshan Body Parts Co., Ltd.
Mar. 2005 Established Tangshang Aisin Automotive Parts Co., Ltd.
Oct. 2005 Established FT Techno of America, LLC
Nov. 2005 Established Tianjin Feng Ai Automotive Seat Parts Co., Ltd.
Jan. 2006 Established Aisin Chemical Indiana, LLC
Feb. 2006 Established Aisin Hokkaido Co., Ltd.
Apr. 2006 Established Kinuura plant
Oct. 2006 Established Aisin Mfg. California, LLC
Feb. 2007 Established Aisin Comcruise Co., Ltd.
Aug. 2007 Established Aisin Kyushu Casting Co., Ltd.
Sep. 2007 Established AS Brake Systems Inc.
Sep. 2007 Opened Production Engineering Center
Dec. 2007 Established Aisin Seiki (Tianjin)
Jul. 2008 Established Aisin Technical Center of America, Inc
Sep. 2008 Established Aisin Thai Automotive Casting Co., Ltd.
Apr. 2010 Kariya Plant was transferred to ADVICS Co., Ltd.
Jun. 2012 Acquired 33.4% of the stock shares in Hiji H-Tech Co., Ltd. that is engaged in the design, evaluation and testing of semi-conductor circuits.
May 2015 Signed a contract to transfer the seat structure business with Toyota Boshoku and Shiroki.
Apr. 2016 Turned Shiroki Corporation into a wholly owned subsidiary through a share exchange.
Feb. 2017 Acquired Art Metal Manufacturing Co., Ltd. through a stock acquisition, which became a subsidiary.

Supplemental Information 1

>>>FY ended Mar. 2008 Business Report
>>>FY ended Mar. 2009 Business Report
>>>FY ended Mar. 2010 Business Report
>>>FY ended Mar. 2011 Business Report
>>>FY ended Mar. 2012 Business Report
>>>FY ended Mar. 2013 Business Report
>>>FY ended Mar. 2014 Business Report
>>>FY ended Mar. 2015 Business Report
>>>FY ended Mar. 2016 Business Report
>>>FY ended Mar. 2017 Business Report

Archives of Past Exhibits

Major Business Segments and Products of the Aisin Group

  Drivetrain related Brake & Chassis
Body related Engine related Information related
The Company -Automatic transmission for commercial car
-Automated manual transmission (control system)
-Suspension system
-Steering system
-Power sliding door
-Power seat
-Door latch
-Water pump
-Oil pump
-Variable valve timing
-Intelligent parking assist
-Parking assist system
-Front and side monitor
Aisin Takaoka -Flywheel -Brake disc rotor -Door beam -Exhaust manifold -
Aisin Chemical -Friction material for clutch -Brake pad -Spray type damping material -Cooling fan -
Aisin AW -Automatic transmission for passenger car - - - -Navigation system
Aisin AI -Manual transmission
-Automated manual transmission
- - - -
ADVICS - -Brake system - - -

Note: A figure in brackets ( ) indicates a loss