Sun A. Kaken Co., Ltd. engages in the manufacture and sale of plastic composite products, industrial materials, and packaging goods. It operates through the following segments: Light Packaging Materials, Industrial Materials, Functional Materials, and Others. The Light Packaging Materials segment handles the manufacture of packaging for food, pharmaceuticals, medical equipment, and precision devices. The Industrial Materials segment provides adhesive tapes and label base materials. The Functional Materials segment supplies functional plastic films used in optical surface protection film and adhesive processed products. The Others segment deals with the purchase and sale of other materials not included in the above segments. The company was founded on September 2, 1942 and is headquartered in Tokyo, Japan.