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

October 29, 2025

Minister of Education, Culture, Sports, Science and Technology Award at the Chugoku Region Invention Honors for Fiscal Year 2025 Received for High-performance Surface Modification Technology That Contributes to Extending the Service Life of Dies

October 15, 2025

Proterial to Exhibit its Products at Hydrogen Technology Expo Europe 2025, One of Europe’s Largest Hydrogen Technology Trade Fairs

September 30, 2025

Disclosures based on TCFD recommendations for FY2025[PDF:]

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

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:]