Who We Are
Supporting Global Innovation: A Manufacturer Specializing in Silicon Wafers
SUMCO specializes in making silicon wafers, the substrates on which semiconductors are fabricated.
Semiconductors, used in products of all kinds from smartphones and personal computers to consumer electronics and automobiles, are indispensable to our daily lives.
Helping also to solve environmental issues and save energy, semiconductors are continuing to advance with technological innovation, as they create our future.
SUMCO, a front-runner in wafers for leading-edge semiconductors, is a company with a vital role in making semiconductors more advanced.
Mission Statement
It is the mission of the SUMCO Group to be the world’s No. 1 silicon wafer supplier by exceeding the expectations of our customers and stakeholders, by recognizing the value of our employees and by being good neighbors in communities.
Vision
01
World's Best in Technology
02
Stable Profitability Even During Economic Downturns
03
Empower Employee Awareness of Profit
04
Competitiveness in Overseas Markets
Our Strengths
as of December 31, 2025
To quickly respond to customer demands for next-generation products in a changing semiconductor landscape, we listen to our customers and dedicate ourselves to conducting continuous R&D. We strive to enhance our corporate value by providing a stable supply of high-value-added silicon wafers.
Sales
Network
Leading-edge logic share
Customer satisfaction
Number of patents
Health & Productivity Stock Selection
Customer Awards
As a leading silicon wafer manufacturer that supports cutting-edge semiconductors, SUMCO has received numerous supplier awards from its customers, the world's top semiconductor manufacturers.
Awarded for the 12th straight year and 17th time overall
Excellent Production Support
Awarded for the 5th straight year and 19th time overall
Best Partner Award
Awarded for the first time
Best Partner
Growth Strategy
Silicon Wafer Industry: Undergoing Rapid Growth
While a silicon wafer is not something we see in everyday life, it is in fact essential to our daily living. These remarkable wafers are necessary for manufacturing semiconductors, which are found in all kinds of electronic products that enrich our lives. Through technology innovation in many different areas, electronic devices have advanced, contributing to better living and social progress.
SUMCO is a company that has continued to take up the challenge of innovating silicon wafer technology, without which these advances could not be made.
