Taiyo Holdings Co., Ltd., together with its subsidiaries, engages in the electronics materials business worldwide. The company offers printed wiring boards, such as rigid board materials comprising liquid solder resist, legend ink, plating resist, and etching resist; PKG board materials, including liquid and dry film solder resists; flexible printed circuit board materials comprising liquid and dry film solder resists, and dry film photoimageable coverlay; and build-up materials. The company also provides FPD materials; manufactures and sells prescription drugs and pharmaceuticals; manufactures and markets dyes, pigments, and other chemical products; and operates solar power plants. In addition, it engages in the provision of systems engineering services; developments of systems; and food businesses. Further, it offers anisotropic conductive adhesive, photoimageable interlayer insulating materials, stretchable conductive paste, and photo-imageable white dry film solder products. The company was formerly known as Taiyo Ink Mfg. Co., Ltd. and changed its name to Taiyo Holdings Co., Ltd. in October 2010. Taiyo Holdings Co., Ltd. was incorporated in 1953 and is headquartered in Tokyo, Japan.