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

October 30, 2026

GT-SNNS170SQ Contact Wire with Wear Grooves Indicating Service Life Expiration Won the "Electronic & Electronic Component Award" at the 2026 ‘CHO’ MONODZUKURI Innovative Parts and Components Awards

October 5, 2026

Proterial and FEV Jointly Validate xEV Traction Motor Concept Using Amorphous Alloy and High-Performance Heavy-Rare-Earth-Free Magnet Technology
Simulation Study Indicates Potential for Higher Efficiency, Increased Output, and Reduced Weight

September 30, 2026

Proterial Makes Fiscal 2026 Disclosures Based on the TCFD and TNFD Recommendations

September 24, 2026

Sponsorship of the 19th Amulet Sword (Omamori Katana) Exhibition

September 16, 2026

Supporting Aiba Corporation in Replicating Ancient Japanese Tatara Steelmaking

September 9, 2026

Daido Steel and Proterial Begin Joint Long-Distance Round-Trip Transportation with Modal Shift

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:]