Nakajima Aircraft Company, Ltd, built over 16,000 aircraft of all types for the Japanese Army and Navy during Workd War II?
16,000! That's fighters, torpedo bombers, scout planes, level bombers and twin-engined attack aircraft.
The most advanced Nakajima fighter, the Ki.84 Hayate, is regarded by many as the best Japanese fighter of World War II.
It was the only 400+ mph Japanese fighter to see combat. Over 3,500 Hayate's were produced and served in the China, the Phillippines, and the Home Islands beginning in 1944.