Official website of SUMCO Corporation, a manufacturer of high-quality silicon wafers for semiconductors.
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News Room

Who We Are

Supporting Global Innovation:
A Manufacturer Specializing in Silicon Wafers

SUMCO, as a front-runner in silicon wafers that form the foundation of semiconductor technology, is a company with a vital role in making society more advanced by supporting cutting-edge innovation.

Supporting Global Innovation:
A Manufacturer Specializing in Silicon Wafers

SUMCO, as a front-runner in silicon wafers that form the foundation of semiconductor technology, is a company with a vital role in making society more advanced by supporting cutting-edge innovation.

Jiro Ryuta, Representative Director, President

Message

The World’s Best in Technology.
Fully Committing to the Improvement in Corporate Value.

Jiro Ryuta, Representative Director, President

Products

SUMCO’s silicon wafers form the foundation supporting technology worldwide.
Creating the future through cutting-edge innovation.
Here, we introduce our business and products dedicated to providing high-quality silicon wafers.

Business and Product Overview

SUMCO’s silicon wafers form the foundation supporting technology worldwide.
Creating the future through cutting-edge innovation.
Here, we introduce our business and products dedicated to providing high-quality silicon wafers.

Company

Advancing Society Through Technology

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.

Employees

(30 locations in 8 countries worldwide)

9,714

Overseas sales ratio

80 % or higher

Global share

No.2

Number of patents

Industry leader

as of December 31, 2025

Latest IR Materials

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Sustainability

For the sustainable growth of society and business

Through the stable supply of silicon wafers that support our daily lives, and the technological development of cutting-edge silicon wafers that drive the evolution of semiconductor devices, the SUMCO Group is committed to contributing to industrial development, enhancing the quality of life, solving social challenges, and realizing a sustainable society.