Wireless communications

	1912		World's first practical wireless telephone invented
	1959		Marine Telephone Service Begins
	1968		Pager Service Begins in Tokyo's 32 Metropolitan Wards
	1972		Miniature Pocket Pagers Go On Sale
	1979		Car telephone service introduced
	1982		Dual call service introduced for the Pocket Bell (pager)
	1985		Shoulder Phone (Out-of-Vehicle Mobile Telephone) Service Starts
	1987		Mobile telephone service introduced
			Display-Type Pager Service introduced
	1992		Mobile Communications Business Is Spun Off