Dunlop Tires is a
British company owned by Goodyear and Sumitomo. These two
companies entered into this joint venture in 1999.
Goodyear owns 75% and Sumitomo Rubber Industries owns the
other 25 % of the Dunlop Tire Company.
Info Source Wikipedia
John Dunlop invented pneumatic or
air filled tires for bicycles in 1844.