The Electronic Functional Materials division offers a range of materials used in the manufacture of semiconductors, flat panel displays, and other electronic products. The High Purity Chemicals division provides auxiliary chemicals for photoresist, and the Printing Materials division offers photopolymer plates used in letterpress/relief printing. The Process Equipment division provides photoresist coating and developing machines used to manufacture liquid crystal display panels and semiconductor manufacturing equipment. Tokyo Ohka Kogyo was founded in 1936 and is headquartered in Kawasaki, Japan.