Yokohama Rubber Develops Double-Tube Internal Heat Exchanger for Cars on September 5, 2018 in Innovation Yokohama Rubber Co. Ltd. (TYO:5101) recently announced that it has developed a double-tube internal heat exchanger (IHX) that offers improved…... Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Continue Reading