Asian woman looking at see-through screen of data.

Sumitomo Chemical’s Carbon Footprint of Product Calculation Tool CFP-TOMO® Receives Third-Party Validation

Sumitomo Chemical recently received validation for CFP-TOMO®, the Carbon Footprint of Product (CFP) calculation tool it developed. The validation was conducted by TÜV SÜD, an international third-party certification body. This validation was conducted by an independent third-party. It assessed the…

Sumitomo Chemical Develops a Material Capable of Forming a Transparent Thin Film with an Ultra-Low Refractive Index

Sumitomo Chemical has successfully developed a coating solution capable of forming a transparent thin film with an ultra-low refractive index. The Company will expand the material’s applications across a wide range of next-generation optical devices able to meet diverse optical…

Sumitomo Chemical Develops High-Performance Alumina to Enhance the Permeance of Ceramic Separation Membranes Technology that will Contribute to Faster Solid-Liquid Separation in Wastewater Treatment and Other Applications

Sumitomo Chemical has developed a technology that improves permeance while maintaining separation performance in ceramic separation membranes (microfiltration membranes). The technology uses the Company’s high-performance alumina developed for separation membranes (the “newly developed alumina”) to increase the density of through-pores (*1) in…

Sumitomo Chemical Announces Reorganization

Sumitomo Chemical hereby announces that, effective October 1, 2026, the Company will change its organization as outlined below. Head Office: To extend the reach of the Production & Safety Fundamental Technology Center’s fundamental production and safety-related technologies and expertise to…

Sumitomo Chemical to Begin Mass Production and Sales of InP Epitaxial Wafers that Support the Evolution of AI Data Centers

The Company will Establish a Supply System for Core Materials to Contribute to the Societal Implementation of Photonic-Electronic Convergence Technologies Sumitomo Chemical has established a mass production system for 4-inch indium phosphide (InP) epitaxial wafers, a type of compound semiconductor,…

Sumitomo Chemical Group Acquires Subsidiary of COPYR Engaged in Natural Pyrethrin-Based Plant Protection Business

MILANO, August 4, 2026 / TOKYO, August 5, 2026- Sumitomo Chemical Company, Limited (“Sumitomo Chemical”) and COPYR S.p.A. Compagnia del Piretro (“COPYR”) are pleased to announce Sumitomo Chemical group’s acquisition of COPYR’s plant protection business. COPYR—an Italian company belonging to…

Notice Concerning the Determination of the Amount of the Reduction of Capital Reserves Increased through the Share Exchange and the Transfer to Other Capital Surplus

For Immediate Release August 3, 2026 Company Name: Sumitomo Chemical Co., Ltd. Representative: Nobuaki Mito, Representative Director & President Securities Code: 4005 Stock Exchange: Tokyo Stock Exchange Prime Market Inquiries: Shoko Wato, General Manager, Corporate Communications Dept., (Tel: +81-3-5201-0200) As…