2 news · updated Jul 23, 2026

Tokyo Ohka income up

2026-07-22

Tokyo Ohka Kogyo, Kyushu Electric Sign Geothermal Power Deal

Semiconductor materials producer Tokyo Ohka Kogyo signed a geothermal power deal with Kyushu Electric Power. By July 2026, 50% of its Kumamoto factory's electricity will come from geothermal sources,

chemweek · 2026-07-22 20:58 UTC

2026-02-23

Inventory recognition, high-value products propel Tokyo Ohka Kogyo’s income

Tokyo Ohka Kogyo reported an 18% year-over-year sales increase in 2025, driven by inventory adjustments and strong performance from high-value products.

chemweek · 2026-02-23 16:11 UTC

Tokyo Ohka income up

Tokyo Ohka Kogyo, Kyushu Electric Sign Geothermal Power Deal

Inventory recognition, high-value products propel Tokyo Ohka Kogyo’s income

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