- This article is about the Japanese conglomerate. For other uses, see Sony (disambiguation).
For other related logos and images, see:
Tokyo Tsushin Kogyo
In 1955, the name Sony was used as a brand for transistor radios by TTK.
In 1957, the Sony brand name was chosen to be the corporate name for the company.
The current wordmark was introduced in 1972 and it has stayed unchanged for several decades. This is true for many other Japanese electronics companies, like Panasonic, Nintendo and Casio, all which introduced their current logos in the 1970s.