Who Makes Honda 0W20 Synthetic Oil?

Who Makes Honda 0W20 Synthetic Oil? IDEMITSU IS A LEADER IN THE DEVELOPMENT OF 0W-20 AND LOWER VISCOSITY SYNTHETIC OILS. Almost 20 years ago, Idemitsu partnered with Honda to develop a lower viscosity oil to boost fuel economy in their hybrid vehicles. What brand of oil does Honda recommend? Type Product Engine Oil (Petrol) 5W-40