JPY 4,626.00
−0.11%Aug 25, 2026, 10:48 UTC
ADEKA announced on August 25 that it will invest 6.5 billion yen to build new production facilities for plastic transparency-enhancing additives at its existing plant in North Jeolla Province, South Korea, with operations targeted to start in November 2028.
Source:Aug 20, 2026, 06:39 UTC
ADEKA announced on August 20 that it will accelerate by two years its plan to expand production capacity for photoacid generators, a resist material for advanced semiconductors, at its Chiba plant in Sodegaura, aiming to double capacity by September 2028.
Source:Jul 16, 2026, 20:00 UTC
ADEKA started full-scale operation of its semiconductor R&D center in Kuki, Saitama Prefecture, in July 2026, with a total construction cost of about 12 billion yen.
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