Astemo, Ltd. (Formerly Hitachi Astemo, Ltd. ) Japan Kohei Takeuchi (Representative Director, President & CEO) - As of April 1, 2025, the company name was changed from Hitachi Astemo, Ltd. to "Astemo, Ltd."  - Formerly operated as Hitachi Automotive Systems that functioned as the automotive business of Hitachi, Ltd., it was established in January 2021 in a merger among Honda Group suppliers Keihin, Showa, and Nissin Kogyo -The capital structure i...

Major Suppliers  Updated at: 2026/02/19

Yorozu Corp. Japan Tsutomu Hiranaka (President and COO) -Manufactures automotive mechanical components, auto body components and engine components, dies and facilities. -Nissan accounts for 64.0% of total sales (FY ended Mar. 31, 2025). -The mid-term management plan YSP2026 includes measures to expand sales globally by strengthening the supply system for electrified vehicles of Toyota Group, Honda and others through introducing new technologies a...

Major Suppliers  Updated at: 2026/02/09

Toyoda Gosei Co., Ltd. Japan Katsumi Saito (President, CEO) -A leader in the area of rubber and plastics polymer and LED products.  -Segments among the Automotive Parts Business: (Breakdown of revenues for FY ended March 2025) Safety System Products: 39% Interior and Exterior Parts: 33% Functional Parts: 17% Weatherstrips: 11% -The Company had an 18% share of the global airbag market as of March 2025. -Sales to the Toyota Group account for 68%...

Major Suppliers  Updated at: 2026/02/09

Topy Industries, Ltd. Japan Hiromi Ishii (President) -As comprehensive wheel manufacturer, we manufacture and sell steel and aluminum wheels for automobiles, wheels for mining machinery, and more. -The Company's business operations are comprised of the following four segments. Steel Segment Automotive & Industrial  Equipment Parts Segment Electric Power-Generation Segment (Withdrew from this business at the end of March 2024) Rental Segment Oth...

Major Suppliers  Updated at: 2026/02/09

Tokai Rika Co., Ltd. Japan Hiroyoshi Ninoyu (President) -The Company is an automotive-interior parts manufacturer affiliated with the Toyota Group, producing HMI products, seat belts, smart systems, shifting levers and other products. In the fiscal year that ended in March 2025, 74% of its sales were to Toyota. (73% in the fiscal year that ended in March 2024) (in JPY millions)   FY 2023 FY 2024   Toyota and Toyota Group 455,760 455,484 ...

Major Suppliers  Updated at: 2026/02/09

Mitsubishi Electric Corporation Japan Kei Uruma (President and CEO) -The Company is a comprehensive manufacturer of electric devices.-The Automotive Equipment business is incorporated within the Industry Mobility BA (Business Area), which accounts for approximately 15% of the company's sales in FY2024. Business Area (BA) Business Group   Infrastructure Public utility systems Energy Systems Defense & Space Systems Industry Mobility Fa...

Major Suppliers  Updated at: 2026/02/09

NHK Spring Co., Ltd. Japan Kazuhisa Uemura (President and COO) -The Company is the largest manufacturer of automotive springs, producing and selling automotive parts such as suspension springs, seats, seat parts, precision parts, and other auto parts. -The Company group consists of 67 subsidiaries, 39 of which are located outside of Japan; and nine affiliated companies, 7 of which are located outside of Japan. -The following are the Company's 5 b...

Major Suppliers  Updated at: 2026/02/09

JTEKT Corporation Japan Yoshihito Kondo (President) -Manufactures and sells of steering systems, bearings, drivetrains, machine tools, electronic control devices and other products. -The Company operates its business based on three business divisions; Automotive, Industrial/Bearings and Machining Equipment. Segment Products Automotive Electric Power Steerings (EPS), Hydraulic power steerings and other steering systems, Intelligent torque con...

Major Suppliers  Updated at: 2026/02/09

Bosch (Bosch Corporation) Japan Christian Mecker (President) -The Japanese corporate entity of Robert Bosch GmbH.  -The company offers comprehensive, mobility solutions that integrate automotive technology, cloud-based data services, and other various services. Exclusive Interview   【JMS 2025】Bosch is shaping the era of software-driven mobility with its outstanding strengths in software and hardware Mecker, President and CEO  Exc...

Major Suppliers  Updated at: 2026/02/09

Mitsuboshi Belting Ltd. Japan Hiroshi Ikeda (President) -Major lines of business are production and sales of belts and other products (building materials, synthetic resin materials, etc). -With the electrification of automobiles, expand sales of belts for electrification (belts for automobiles and electric units (EBP/EPS/PSD, etc.) and belts for electric motorcycles and rear-wheel drive).  -Listed on the Prime Market of the Tokyo Stock Exchan...

Major Suppliers  Updated at: 2026/01/28

Nittan Corporation (Formerly Nittan Valve Co., Ltd.) Japan Lee Tai Hwan (President) -The Company is an independently-owned parts manufacturer that boast world-class, hot forging technology for producing engine valves. Manufactures engine valves for automobiles, precision forged gears, NT-VCP (Variable Valve Timing systems), valve lifters, roller rocker arms, etc. The company is working on creating a production system for manufacturing hyper hollo...

Major Suppliers  Updated at: 2026/01/28

Harada Industry Co., Ltd. Japan Yasuharu Miyake (President) -Boasts a high market share of automotive antennas  -The main products are car radio antennas, relay cables, car TV antennas, car antenna amplifiers, actuators, and ETC antennas. -Listed on the Standard Market of the Tokyo Stock Exchange (As of Mar. 31, 2025) Name or Company Name Investment Ratio (%) SJS Incorporated 39.72 Individual shareholder 11.13 Individual sharehold...

Major Suppliers  Updated at: 2026/01/28

Ashimori Industry Co., Ltd. Japan Hiromasa Zaitsu (President) -Ashimori delivers products mainly to Mazda, such as seat belts, airbags, tonneau covers, and electric rear sunshades. -In addition to its business in the automotive sector, the Company produces and sells synthetic ropes, fire-extinguisher hoses, and industrial-use hoses. -Sales at the Automotive Safety Business accounted for approximately 73% of overall sales as of the fiscal year end...

Major Suppliers  Updated at: 2026/01/15

DENSO TEN Limited. (Formerly Fujitsu Ten Limited) Japan Yonemoto Takashi (President and Representative Director) -A supplier of car-navigation systems, car audio, engine ECUs, airbag ECUs and other products. The Company was formerly Fujitsu Ten, prior to becoming Denso Ten.  -The Company operates in the following business segments. HMI Solution Business (In-vehicle multimedia and communication devices) In-vehicle multimedia systems, audio displ...

Major Suppliers  Updated at: 2026/01/15

Proterial, Ltd. (Formerly Hitachi Metals, Ltd.) Japan Sean M. Stack (Representative Director, Chairperson, President, and CEO) -The Company is a manufacturer of iron and metals, producing high-grade special steel and various types of magnets. -The Company delivers products in the following areas of business: automotive, industrial infrastructure, and electronics. -Products are listed below. (As of Mar 31, 2025) Segment Main Products High-gra...

Major Suppliers  Updated at: 2026/01/15

EXEDY Corporation Japan Tetsuya Yoshinaga (President and CEO) -Manufactures and sells manual transmissions (MTs) and automatic transmissions (ATs). -In May 2024, the Company announced that it would dissolve its capital alliance with Aisin. Nevertheless, there will be no change to their business relationship. (Detailed News) Business Segment Products MT Business (Manual Gearbox–Related Business) Clutch disks, Clutch cover, Mass flywheel, et...

Major Suppliers  Updated at: 2026/01/15

Hi-Lex ACT Corporation (Formerly Mitsui Kinzoku ACT Corporation) Japan Hiroshi Igata (President and Representative Director) -The Company develops, manufactures, and sells door locks and other functional parts for automobiles. -Unlisted Company (As of Mar. 31, 2025) Company name Investment ratio (%) Mitsui Mining & Smelting Co., Ltd. 100.0   Door Latche-Side door latches-Check links-Side door hinges-Back door latches Power Door S...

Major Suppliers  Updated at: 2025/12/26

Pacific Industrial Co., Ltd. Japan Tetsushi Ogawa (President, CEO) -The Company is a leading manufacturer of tire valves and valve cores, with an approx. 100% share of the domestic market, and over a 50% share of the global market, according to the Company. -The Company is engaged in the following business segments: Stamped and Resin Products: Stamped products, resin products, press molds, resin molds Valves: tire valves, valve cores, valves, va...

Major Suppliers  Updated at: 2025/12/17

Nippon Piston Ring Co., Ltd. Japan Teruo Takahashi (President) -A manufacturer specializing in internal combustion parts, including piston rings, valve seats, and valve train parts. -Riken Corporation (Riken) and Nippon Piston Ring Co., Ltd. (NPR) announced that they have established a wholly owning parent company of both companies, NPR-RIKEN Corporation, through a joint share transfer. Featured report   2023 Business Overview of Japan...

Major Suppliers  Updated at: 2025/12/16

PIOLAX, INC. Japan Satoshi Yamada (President) -A major manufacturer of precision automotive springs and industrial-use fasteners. Automotive products account for 95% of sales. (Fiscal year ending March 2025) -The Company signed a comprehensive commercial agreement with Saga Iron Works, a major manufacturer of automotive bolts, in order to create a cooperative, global partnership. -Has the world’s largest market share of air-dampers that smoothl...

Major Suppliers  Updated at: 2025/12/15