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

Innovative
Cable Technologies
Empowering the Future
of Healthcare

Micro-Sensor Assemblies for Endoscope

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

August 25, 2026

Title Sponsor of IZUMO OROCHI FES 2026, One of the Biggest Music Festivals in the San’in Region

Support for Regions Affected by the 2026 Kumamoto Earthquake

About Proterial’s Participation in the Formula SAE Japan 2026 as a Sponsor

Organizational Structure Effective July 1, 2026[PDF:]

Proterial to Use J-Credits from Forest Management Activities in Okuizumo-cho

Exhibit at “Turbo Expo 2026”

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:]