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

Find by market segment

Automotive-Related Products

Infrastructure-Related Products

Electronics-Related Products

Find by technology/item

News Release

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

November 11, 2025

Proterial to Exhibit its Products at MEDICA 2025, One of the World’s Largest Medical Device Trade Fairs

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:]