n Plant Location Main Products Tochigi Plant Nasushiobara City, Tochigi Pref. Hydraulic units for brake, various sensors Musashi Plant Hiki District, Saitama Pref. Vacuum boosters for brake, master cylinders Higashi Matsuyama Plant Higashimatsuyama City, Saitama Pref. Fuel rails for diesel engine common rail systems, injectors Yorii Plant Ohsato District, Saitama Pref. Nozzles for diesel engine injection, nozzle holders Kanda Site Mi...

Major Suppliers  Updated at: 2025/12/16

(Trust Account) 3.31 NPR-RIKEN Employee Stock Ownership Association 2.71 Daishi Hokuetsu Bank, Ltd. 2.38 Individual shareholder 2.37 Nomura Securities Co., Ltd. 2.00 Sumitomo Mitsui Trust Bank, Limited. 1.95 Riken Kashiwazaki Stock Ownership Association 1.91 Total 36.68 Piston ringsEngine parts-Camshafts-Valves seats-Valve lifters-Valve spring retainers-Expansion chambers-Tappets-Rocker arms-CrankshaftsTransmission parts-Seal rin...

Major Suppliers  Updated at: 2025/12/16

tsu Bank, Ltd. 2.38 Individual shareholder (Standing proxy: Mita Securities Co., Ltd) 2.37 Nomura Securities Co., Ltd. 2.00 Sumitomo Mitsui Trust Bank, Limited. 1.95 Riken Kashiwazaki Stock Ownership Association 1.91 Total 36.68 Power train parts-Piston rings Piston rings for gasoline engine Piston rings for diesel engine Piston rings for rotary engine -Cylinder linersValve train parts-Valve seats Valve seat inserts -Camshafts C...

Major Suppliers  Updated at: 2025/12/16

name to Motherson Yachiyo Automotive Systems Co., Ltd. -After Honda transfers the Company’s stock to the Motherson Group, the voting rights of the Motherson Group are forecast to be 81%, while the voting rights of Honda are forecast to be 19%. Sunroofs Fuel TanksPlastic fuel tanksSteel fuel tanksHydrogen tanks for FCVs Plastic partsBumpersInstrument panels CFRP Products Sale to the Motherson Group by Honda July 2023 Honda announced that it ...

Major Suppliers  Updated at: 2025/12/11

ission control systems for automotive and commercial vehicle applications. The Life Sciences segment also provides products for the automotive industry such as filters, battery vents, powertrain vents, and headlight vents for electric vehicles. -The Company is listed on the New York Stock Exchange. Engine filters-Air filters-Oil filters-Fuel filters-Coolant filters-Lubrication filters-Crankcase filters-Elbows-PowerCore air cleaners-PowerCore Edge...

Major Suppliers  Updated at: 2025/12/11

ystems (CISs), on March 31, 2008. The research and development functions of HCX will be transferred to Clarion and Xanavi Informatics Corporation, which is Clarion's wholly owned subsidiary. By integrating the development resources to Clarion, the Hitachi Group intends to increase its comprehensive engineering efficiency and capabilities in the growing CIS business. HCX was established jointly by Hitachi, Clarion, and Xanavi in December, 2000. It...

Major Suppliers  Updated at: 2025/12/10

cases for heavy-duty trucks-Front axle cases for light and medium-duty trucks-Rear axle cases for light and medium-duty trucks-Rear axle cases for pickup trucks and SUVsAxle tube-Axle tubes for pickup trucks/SUVsUnder-run protectors-Front Under-run Protector-Rear Under-run ProtectorPlastic Parts-Engine sound insulation covers (acoustic shield) Cab rear covers Side covers Transmission covers Under covers -Other Plastic Parts Air cleaner brac...

Major Suppliers  Updated at: 2025/12/04

fuji Electric to develop new hybrid system by auxiliary use of starter for driving Sawafuji Electric to sign contract to establish joint venture in Thailand Sawafuji Electric establishes hybrid unit production lines at Nitta Factory Sawafuji Electric and Gifu University announce improvement of PMR hydrogen production equipment Sawafuji Electric to expand production of hybrid truck motors Sawafuji Electric to make full-scale entry into hydrogen m...

Major Suppliers  Updated at: 2025/12/03

Mar. 1925 Started manufacturing steel springs in Tsukimi Town, Naka District, Nagoya, as Chuo Spring Manufacturing. Jan. 1931 Relocated Nagoya Plant to Ganmichi Town, Minami District, Nagoya, and founded Chuo Spring Seisakusho Co., Ltd. Oct. 1931 Started manufacturing valve springs for aircraft engines and machine guns and large springs for automobiles. Apr. 1936 Name changed to Chuo Spring Co., Ltd. Dec. 1948 In line with the adjustment ...

Major Suppliers  Updated at: 2025/12/03

INTERACTIVE BROKERS LLC (Standing proxy: Interactive Brokers Securities Japan, Inc.) 1.40 OKAYA & CO., LTD. 1.27 DFA INTL SMALL CAP VALUE PORTFOLIO  (Standing proxy: Citibank, N.A., Tokyo Branch) 1.04 Total 60.28 Heat exchangers for automobiles-Radiators-Water-cooled charge air coolers-Engine oil coolers-Heater cores‐LLC chillers-ATF/CVTF warmers & coolers-EGR coolers-Heat exchangers with waste heat recovery device-Fuel coolers-Rad...

Major Suppliers  Updated at: 2025/12/03

io (%) Ahn Young Koo 20.18 Ahn Jung Koo 9.34   Powertrain SystemTransmission Part-Solenoid valve for transmission (Direct VFS)-Solenoid valve for transmission (Pilot VFS)-Solenoid valve for transmission (PWM)-Solenoid valve for transmission (On/Off)-Thermal bypass valve-Speed sensor (MT/AT) Engine Part-Solenoid valve for oil pump in engine (VFS)-Solenoid valve for oil pump in engine (On/Off)-Engine mount solenoid valve-Pneumatic solenoid ...

Major Suppliers  Updated at: 2025/11/27

vestment ratio (%) Sumitomo Electric Industries Ltd. 100.0 Wiring harnesses for automobiles-Aluminum wiring harnesses-Harnesses for sliding doors-EPB Harness Integrated with Wheel Speed SensorWiring harness components-Connectors Sealed connectors High-frequency connectors Sealed connector for Engine ECU -Electric wires High-Voltage Wires Shielded Cables Aluminum wires -Exterior equipments Sound Absorbing Part Grommets Products for Elec...

Major Suppliers  Updated at: 2025/11/27

Usui Co., Ltd. Japan Takaaki Usui (Chairman and CEO) -The Company primarily manufactures and sells small-size metal tubes for use as automotive components in passenger vehicles, buses, and trucks, etc. Next generation-High-pressure hydrogen tubes for fuel cell-Amorphous alloy technology-Hollow Motor Shaft Automotive pipes-Fuel-piping products UHPC Fuel coolers Bundled tube -Materials for tubes Nylon tube Single walled steel tubing ("Hycolin" ...

Major Suppliers  Updated at: 2025/11/26

Japan Securities Finance Co., Ltd. 1.45 Toyo Tire Employee Stock Ownership Plan 1.04 BNYM AS AGT/CLTS NON TREATY JASDEC (Standing Proxy: MUFG Bank, Ltd.) 1.03 Total 52.09 Tire business-Tires-Tubes for tires-Flaps-Aluminum wheelsAutomotive Parts (Business)-Anti-vibration rubber products  Engine mounts Motors mounts Member mounts Differential mounts Strut mounts Bushes Couplings Exhaust mounts Dynamic dampers -CVJ boots Financial Over...

Major Suppliers  Updated at: 2025/11/26

ing & steering-Lateral support system-Speed assist system-Adaptive cruise control (ACC)-Lane centering assist system (LCS)-Highｗay assist (HWA)-Highway pilot (HWP)-Remote parking assist-Rear-autonomous braking-Surround view monitoring-Vehicle braking controller-Vehicle steering controller-Virtual engine sound system-Redundant steering-4D imaging radars-Long range radars-Middle range radars-Front cameras-Electronic Stability Control-Integrated d...

Major Suppliers  Updated at: 2025/11/21

P MORGAN CHASE BANK 385632  (Standing proxy: Mizuho Bank, Ltd. Sales of Yen Settlements Department) 1.48 Total 55.37 ADAS-Camera covers-Camera brackets-Front millimeter-wave radar brackets-Corner radar brackets-Corner Radar Cover-Corner Radar Protector-Sonar brackets-Clearance sonar retainers Engine/Fuel/TransmissionEngine-Turbo ducts-Engine oil separators-Thrust washer/Receivers-Breather boxes-Baffle plate/Oil paths-Engine oil strainers-Oi...

Major Suppliers  Updated at: 2025/11/21

nsmissions FR 6-speed manual transmissions CVT-Aisin CVT with starting gear CVT Thermal management related-Aisin Electric water pumps for cooling battery Electric water pumps for cooling inverter Flow Shutting Valve Electric oil pump Fuel-cell vehicles-Aisin Gas-liquid separators Stack cases Engine Related-Aisin Electric water pumps for cooling engine Coolant shutoff valve Continuously variable capacity oil pump Variable valve timings Var...

Major Suppliers  Updated at: 2025/11/14

Sungwoo Hitech Co., Ltd. Korea Lee Myung-geun (Chairman) -Manufacturer of body components such as bumper rails and side members for automobiles. -Recently, the Company has been focusing on parts such as battery packs and hydrogen tanks for environmentally friendly vehicles. (As of Mar. 31, 2024) Major shareholders Investment Ratio (%) Sungwoo Holdings 32.74 Myung-keun Lee 5.80   Eco-friendly PartsBattery pack -Battery Case Assembly (B...

Major Suppliers  Updated at: 2025/11/13

SJG Sejong Co., Ltd. (Formerly Sejong Industrial Co., Ltd.) Korea Choi Jeong-yeon -The Company manufactures products such as mufflers and catalytic convertors. -The Korean company operates production facilities also in the U.S., China, the Czech Republic, and the Slovak Republic. -In December 2020 the Company diversified its business by adding the hydrogen fuel cell vehicle parts business to its regular business operations. (As of Dec. 31, 2024) ...

Major Suppliers  Updated at: 2025/11/12

that became the surviving company, in order to strengthen the management framework in China; and absorbed the operations of KYB-CADAC Co., Ltd. into KYB-YS Co., Ltd. to strengthen the management framework in Japan. Apr. 2017 Merged KYB Asia Co.,Ltd. and KYB Technical Center（Thailand）Co.,Ltd. (engineering service provider), both in Thailand, reorganizing them into KYB Asian Pacific Corp. Ltd., a consolidated subsidiary to provide services to...

Major Suppliers  Updated at: 2025/10/10