Sony, major Japanese manufacturer of consumer electronics products.
Interesting Facts You Probably Didn't Know About Sony
Sony - Wikipedia
Sony Group Portal - Product & Technology Milestones−Headphone
Sony - Wikipedia
The Complete History Of The Sony Logo - Hatchwise
Sony, History, Products
Sony Group Portal - Sony History Chapter23 Establishing the Sony Brand
Interesting Facts You Probably Didn't Know About Sony
Sony Group Portal - Product & Technology Milestones
PlayStation, Console and Games
Strategy Study: How Sony Became The Ultimate Pivoting Success Story
Sony Group Portal - Product & Technology Milestones
The Walkman's Invention 40 Years Ago Launched a Cultural Revolution, Innovation