Proterial, Ltd.

PRO×MATERIAL PROTERIAL

PRO + MATERIAL STORY

YASUGI SPECIALTY STEEL OUR HERITAGE, YOUR ADVANTAGE

YASUGI SPECIALTY STEEL

NEOMAX

Supports
industry's foundations
with its NEOMAX^® brand

Nd-Fe-B Magnets NEOMAX^®

Contributed to
railway development
locally and globally

Rolling stock-related components

PRO×MATERIAL PROTERIAL

PRO + MATERIAL STORY

Proterial, Ltd. will be closed for the summer holidays from Saturday, August 9, 2025 to Sunday, August 17, 2025.

Products & Solution

Find by market segment

Automotive-Related Products

Infrastructure-Related Products

Electronics-Related Products

Find by technology/item

News Release

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

Proterial's Development of New Copper-based Brazing Filler Metal for Dissimilar Material Welding Wins the JWS Interfacial Joining Research Award at the Technical Commission on Solid Phase Welding and Brazing

Proterial, Ltd. Wins the 63rd JSPM Award for Distinguished Achievements in Development

Proterial Wins Award at 52nd Japan Copper Development Association Awards

Proterial to Exhibit its Products at the 55th Paris Air Show, 2025

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:]