Sumitomo Bakelite Co., Ltd. engages in the manufacture and sale of phenolic resin and plastic products. It operates through the following segments: Semiconductor Materials, High-performance Plastics, Quality of Life Products, and Others. The Semiconductor Materials segment includes epoxy resin molding compounds for encapsulation of semiconductor devices; positive-type photosensitive coating resins for semiconductor wafers; pastes for die bonding; carrier tapes for mounting semiconductor components; adhesive tapes for assembling semiconductors; and semiconductor substrate materials. The High-performance Plastics segment composes of phenolic molding compounds; phenolic resins for industrial use; precision molded products; and synthetic resin adhesives. The Quality of Life Products segment involves medical devices; melamine resin decorative and fireproof laminates; polyvinyl chloride sheets and multilayered films; freshness preserving films; polycarbonate resin plates; design and construction of sheet waterproof systems; and biotechnology-related products. The Others segment deals with commissioned research and land leasing activities. The company was founded on January 25, 1932 and is headquartered in Tokyo, Japan.