Proterial, Ltd.

PRO×MATERIAL PROTERIAL

PRO + MATERIAL STORY

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

September 17, 2025

Proterial to Exhibit its Products at the 25th China International Industry Fair (CIIF 2025)

September 9, 2025

Proterial to Transfer Automotive Casting Businesses[PDF:]

September 5, 2025

About Proterial’s Participation in the Formula SAE Japan 2025 as a Sponsor

September 4, 2025

Sponsorship of the 18th Amulet Sword (Omamori Katana) Exhibition

Proterial Develops High-Performance Heavy-Rare-Earth-Free Neodymium Sintered Magnet for Electric Vehicle Driving Motors

Proposing Permendur YEP^®-2V for motor cores for electric vertical take-off and landing (eVTOL) aircraft

Events and Exhibitions

TOC Asia

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

InnoTrans 2024

Dates: 24 - 27 SEPTEMBER
Venues: Messe Berlin

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:]