Hiroyuki Yokota

TonenGeneral Sekiyu KK was engaged in the importing, shipping, refining, and marketing of crude oil, petroleum, and chemical products. It operates through the following segments: Oil and Chemicals. The Oil segment engages in the manufacture and sale of gasoline, naphtha, jet fuel, kerosene, diesel fuel, fuel oils, lubricants, and liquefied petroleum gas. The Chemicals segment focuses on the sale of ethylene, propylene, benzene and paraxylene. The company was founded on July 26, 1947 and was headquartered in Tokyo, Japan.

Tonen Chemical Corp. manufactures industrial chemicals. It commercializes and produces a thin, polyethylene-based, porous film that is used as a separator in rechargeable lithium ion batteries used in small electronics such as cell phones, laptop computers, and digital cameras. The company is headquartered in Minato-Ku, Japan.

Part of Exxon Mobil Corp., Tonen Technology KK provides information technology services.

Part of ENEOS Holdings, Inc., NUC Corp. is a Japanese company that manufactures and sells polyethylene and silicone products. The company is based in Tokyo, Japan. NUC was acquired by Tonen General Sekiyu KK from The Dow Chemical Co. on July 02, 2013 for $13 million.

Part of ENEOS Holdings, Inc., EMG Marketing Godo Kaisha is a Japanese company that manufactures crude oil procurement, petroleum and petrochemical products, and also supplies electric power. The company is based in Tokyo, Japan. The company was founded in 1961. EMG Marketing Godo Kaisha was acquired by Tonen General Sekiyu KK from Exxon Mobil Corp. on June 01, 2012 for $3,935.66 million.

Eneos Corp. refines and markets petroleum and petrochemical products. Its products include lubricants, polymers. solvents, aromatics, carbon materials, elastomers, coal, and liquefied natural gas. The company was founded on May 10, 1888 and is headquartered in Tokyo, Japan.