Denka Company Limited Employee Directory

Chemical ManufacturingTokio, Japan51-200 Employees

Denka Company Limited is a Japanese chemical manufacturer established in 1915 to produce calcium carbide and chemical fertilizers, leveraging abundant limestone resources and its own electric power plants. It has broadened into a diversified producer and distributor of inorganic and organic materials, electronic materials, and processed resins, rooted in decades of experience in calcium carbide chemistry. The company relies on proprietary technologies in electric furnace control, high-temperature reaction control, and organic synthesis. It is based in Tokyo and operates as a mid-sized enterprise with a workforce in the low hundreds. 

Its product portfolio serves customers across sectors that rely on specialty chemical materials. A notable development in 2026 was a partnership with Otsuka to jointly market in-vitro diagnostic reagents under the QuickNavi line and to establish a stable supply system for these products.

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