Taiyo. 

Taiyo Holdings Co., Ltd., operating globally through its subsidiaries, primarily focuses on the electronics materials industry. Its extensive product portfolio includes materials for various printed wiring boards: for rigid boards, it provides liquid solder resist, legend ink, plating resist, and etching resist; for PKG boards, both liquid and dry film solder resists are offered; and for flexible printed circuit boards, it supplies liquid and dry film solder resists along with dry film photoimageable coverlay. The company also manufactures build-up materials, FPD materials, anisotropic conductive adhesive, photoimageable interlayer insulating materials, stretchable conductive paste, and photo-imageable white dry film solder products. Beyond its core electronics business, Taiyo Holdings is involved in diverse sectors. It produces and distributes prescription pharmaceuticals, manufactures and markets dyes, pigments, and other chemical products, and operates solar power plants. Additionally, the company provides systems engineering services, develops various systems, and engages in food-related enterprises. Founded in Tokyo, Japan, in 1953, the company was known as Taiyo Ink Mfg. Co., Ltd. until its name change to Taiyo Holdings Co., Ltd. in October 2010.