Proterial, Ltd.

PRO×MATERIAL PROTERIAL

PRO + MATERIAL STORY

Proterial, Ltd. – Est. 1910, Japan

Proterial is
an official partner
of GAZOO Racing.

Proterial, Ltd. – Est. 1910, Japan

YASUGI SPECIALTY STEEL OUR HERITAGE, YOUR ADVANTAGE

YASUGI SPECIALTY STEEL

Proterial, Ltd. – Est. 1910, Japan

NEOMAX

Supports
industry's foundations
with its NEOMAX^® brand

Nd-Fe-B Magnets NEOMAX^®

Proterial, Ltd. – Est. 1910, Japan

Contributed to
railway development
locally and globally

Rolling stock-related components

Proterial, Ltd. – Est. 1910, Japan

PRO×MATERIAL PROTERIAL

PRO + MATERIAL STORY

Proterial, Ltd. – Est. 1910, Japan

Products & Solution

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Automotive-Related Products

Infrastructure-Related Products

Electronics-Related Products

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News Release

February 12, 2026

Proterial Introduces Captive Use Solar Power Generation Equipment with Approximate Total Output of 8 MW at Chinese Bases

February 5, 2026

Earns EcoVadis Silver Rating for Second Consecutive Year, Ranking in Top 15% of Companies

January 15, 2026

Proterial Receives CDP 2025 Climate Change A- Rating and Water Security A Rating

January 6, 2026

Proterial Signs Official Partnership Agreement with TOYOTA GAZOO Racing for 2026

December 15, 2025

Reorganization to Enhance Corporate Value[PDF:]

December 9, 2025

Proterial Launches AIGAMI™, a revolutionary blade steel that balances superior sharpness with corrosion resistance

Events and Exhibitions

TOC Asia

Dates: 26 - 27 November 2024
Venues: Marina Bay Sands, Singapore

InnoTrans 2024

Dates: 24 - 27 SEPTEMBER
Venues: Messe Berlin

Notice

August 22, 2025

Caution Regarding Document Forgery and Imitation Products of Proterial Tool Steel Products by Third Parties in the Chinese Market[PDF:]

Patent Information

Sintered Nd-Fe-B Magnets[PDF:]

Complete Victory in China Antitrust Litigation Regarding Patent Licensing for Sintered NdFeB Magnets[PDF:]

Proterial Achieves Complete Victory in Recent Decision of the U.S. Patent and Trademark Office[PDF:]