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TS Tech: From Sewing Honda Uniforms to Supplying Honda’s Seats Worldwide

📋 SummaryTS Tech Co., Ltd. is a Japanese automotive seat and interior component manufacturer, founded in 1960 originally...
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KYB (Kayaba): Japan’s Shock Absorber Giant and Its Compliance Scandals

📋 SummaryKYB Corporation, formerly Kayaba Industry Co., Ltd., is a major Japanese hydraulic component manufacturer, foun...
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Koito: The World’s Largest Headlight Maker and Its 1989 Showdown With T. Boone Pickens

📋 SummaryKoito Manufacturing Co., Ltd. is the world's largest automotive lighting manufacturer, founded in 1915 in Tokyo...
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Piolax: The Spring Maker Behind Your JDM Interior’s Plastic Clips

📋 SummaryPiolax, Inc. is a Japanese automotive fastener and precision spring manufacturer, founded in 1933 as Kato Hatsu...
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Mikuni: Japan’s Carburetor and Fuel-System Specialist

📋 SummaryMikuni Corporation is a Japanese carburetor and fuel-system manufacturer, founded in 1923 as Mikuni Shoten, an ...
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Sumitomo Wiring Systems: Japan’s Other Big Wire Harness Maker

📋 SummarySumitomo Wiring Systems, Ltd. is a Japanese automotive wiring harness manufacturer tracing to Sumitomo Electric...
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Calsonic Kansei: From Nissan’s Tier 1 Supplier to Marelli’s 2025 Bankruptcy

📋 SummaryCalsonic Kansei was a major Nissan-affiliated Japanese Tier 1 supplier formed in 2000 through the merger of Cal...
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Takata: The Rise and Fall Behind the Largest Auto Safety Recall in History

📋 SummaryTakata Corporation was a Japanese automotive safety supplier, founded in 1933 in Shiga Prefecture by Takezo Tak...
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GMB Corporation: The Water Pump Specialist Behind Your JDM Cooling System

📋 SummaryGMB Corporation is a Japanese cooling system component manufacturer, founded in 1943 in Osaka, and publicly tra...
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Musashi Seimitsu: Japan’s Differential Gear Specialist

📋 SummaryMusashi Seimitsu Industry Co., Ltd. is a Japanese driveline component manufacturer, founded in 1938 as Musashi ...
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TPR: A Century of Japanese Piston Ring and Engine Internals Expertise

📋 SummaryTPR Co., Ltd., formerly known as Teikoku Piston Ring, is a Japanese engine internals manufacturer with roots tr...
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Nippon Seiki: The OEM Behind Your JDM Instrument Cluster

📋 SummaryNippon Seiki Co., Ltd. is a Japanese manufacturer of OEM instrument clusters, speedometers, and heads-up displa...
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JST Mfg.: Japan’s First Solderless-Terminal Connector Maker

📋 SummaryJST Mfg. Co., Ltd. is a Japanese electrical connector manufacturer, founded in 1957 by Teiji Takahashi as Japan...
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Yachiyo Industry: Honda’s Historic Fuel Tank and Sunroof Supplier

📋 SummaryThe company now known as Motherson Yachiyo Automotive Systems was established in August 1953 as Yachiyo Paintin...
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Kojima Industries: Toyota’s Plastic Bumper Specialist

📋 SummaryKojima Industries Corporation is a Japanese Toyota Group supplier founded in 1938, specializing in plastic bump...
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Denso Ten (Formerly Fujitsu Ten): Japan’s OEM Navigation and ECU Maker

📋 SummaryDenso Ten Limited, formerly known as Fujitsu Ten, is a Japanese OEM electronics manufacturer, established Octob...
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Cataler: Toyota’s Catalytic Converter Specialist

📋 SummaryCataler Corporation is a Japanese catalytic converter and exhaust emissions catalyst manufacturer, founded in 1...
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NTN: Japan’s Wheel Bearing and CV Joint Manufacturer

📋 SummaryNTN Corporation is a major Japanese bearing manufacturer, founded March 1918 when 21-year-old engineer Jiro Nis...
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NOK Corporation: Japan’s Oil Seal and Sealing Component Maker

📋 SummaryNOK Corporation is a major Japanese manufacturer of oil seals, packings, O-rings, and mechanical seals, founded...
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Toyota Boshoku: The Textile Company Behind Your Cabin Filter

📋 SummaryToyota Boshoku Corporation traces back to 1918, founded by Sakichi Toyoda as Toyoda Boshoku, a spinning and wea...