Tokyo custom minting studio since 1984
Premium Custom Coins & Medals — Crafted by Japanese Master Artisans.
Bring your custom designs to life with Japan’s finest minting technology. Trusted by international organizations and military professionals.
Why international buyers choose SAKAMOTO
Luxury-grade manufacturing, engineered for serious procurement.
From military challenge coins to corporate awards and precious-metal commemoratives, SAKAMOTO combines Japanese precision with practical support for overseas clients.
Unmatched Japanese Quality
High-definition engraving, controlled presswork and hand finishing deliver sharp lettering, refined relief and premium weight in the hand.
End-to-End Customization
Round plates, square plates, pure gold, silver, brass and plated finishes can be specified around your design, quantity and budget.
Trusted Global Delivery
We support international organizations, military professionals and VIP buyers with clear communication and production guidance.
More Details / Existing Page Navigation
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Our Craftsmanship
Learn how SAKAMOTO designs and manufactures metal accessories, badges and medals in Tokyo.
Advanced Facilities
Explore model engraving, die making, press manufacturing and the production process behind each item.
Corporate Profile
Company information, Tokyo location and official background for procurement review.
Workflow & Payment
Review the quotation, production, payment and delivery flow before starting a project.
Art Gallery
View past works and production examples for custom medals, badges and metal goods.
Gold Weight Calc
Use SAKAMOTO’s material weight calculator when planning precious metal projects.
Staff’s Blog
Read updates, production notes and news from the SAKAMOTO team.
Contact
Send your design, target size, material and quantity to begin an estimate.
Jigane-kun / Core Conversion Tool
Instant Weight & Cost Estimation
Planning a project? Enter your custom dimensions below to instantly calculate the estimated troy ounce weight and material cost in your preferred currency.
Premium Gallery
Manufacturing examples for global buyers.
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Custom Challenge Coins
High-relief medals, military coins and organizational awards.
Pure Gold Koban Plates
Premium precious-metal commemoratives for executive gifts.
Commemorative Medals
Corporate anniversaries, award ceremonies and event medals.
Start your project
Ready to Start Your Project?
Our team is ready to assist you in English. Let’s create something extraordinary together.