Aug 31, 2026, 04:32 UTC
Sumitomo Chemical announced it has established mass production of indium phosphide epitaxial wafers, a compound semiconductor, and started sales, targeting next-generation data centers and high-speed networks.
Aug 21, 2026, 02:30 UTC
Sumitomo Chemical rose and touched its 75-day moving average, supported by value-stock preference and a target price hike by a foreign securities firm.
Source:Aug 18, 2026, 02:05 UTC
Seiko Epson and Sumitomo Chemical announced a partnership in the field of piezoelectric materials.
Source:Jul 20, 2026, 11:42 UTC
Sumitomo Chemical will mass-produce a new solid electrolyte material for all-solid-state batteries by fiscal year 2028, aiming to reduce manufacturing costs and improve safety for electric vehicles.
Jul 2, 2026, 09:08 UTC
Sumitomo Chemical and Samsung Electro-Mechanics will form a joint venture.