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IT-related Chemicals Sector

The IT-related Chemicals Sector supplies a wide range of products that support ICT-related industries, including optical films for liquid crystal displays (LCDs), color resists, photoresists and high-purity chemicals used in the semiconductor manufacturing process, compound semiconductors (MOEPI wafers) used for devices such as antennas switches and amplifiers of cell phones and smartphones, and aluminum sputtering targets used for semiconductor chips' wiring.

Osaka Works

Osaka Works

Japan Dyestuffs Manufacturing Company, the predecessor of the Osaka Works, was established in 1916 for the domestic production of synthetic dyes, eventually becoming the largest dyestuffs manufacturing company in Japan. In 1944, this company was merged with Sumitomo Chemical and became the Osaka Works. Since then, it has been continuously delivering useful technologies and new products in response to the needs of the times. The Osaka Works has developed as the core for the manufacture of fine chemical products. At present, the Osaka Works produces photoresists, agricultural chemicals, dyes, and polymer additives by leveraging the technologies it has developed, while working closely with a research laboratory located on the same premises to meet diverse customer needs.

Main Products
Photoresists, Crop protection chemicals, Dyes and Polymer additives

Ohe Works

Ohe Works

In April 2009, the Ohe Works was established as a manufacturing and assembly plant in the Ohe district of our Ehime Works, where we have been producing optical functional films and our separator for lithium-ion secondary batteries. In cooperation with the adjacent IT-related Chemicals Research Laboratory, the Quality Assurance Office of the IT-related Chemicals Sector, and the Optical Materials Division, the Ohe Works has worked to build manufacturing and technological capabilities and also gather the talent and technology ideally suited for the field of manufacturing and assembly in order to strengthen the competitiveness of our existing businesses and enter new business fields to support the further development and growth of the manufacturing and assembly business of Sumitomo Chemical and the Sumitomo Chemical Group.

Main Products
Polarizing films (SUMIKALAN), and Separator for Lithium-ion Secondary Batteries

IT-related Chemicals Research Laboratory

IT-related Chemicals Research Laboratory

This laboratory conducts a wide range of R&D activities for products and technologies that support the IT industry, including optical wide films and other liquid crystal display materials and semiconductor processing materials such as photoresists.
In order to provide customers with leading-edge products in response to their needs in an appropriate and prompt manner, the laboratory collaborates with SCIOCS, Dongwoo Fine-Chem of South Korea, and Sumika Technology of Taiwan, all of which are subsidiaries of Sumitomo Chemical, thereby also contributing to the globalization of the Company's business.