WhereIsAtlas · Electronics

Toshiba

The Japanese giant that pioneered memory and laptops, then unwound itself

Transformed — After a 2015 accounting scandal it sold Kioxia (memory), dynabook (laptops) and more - a once-vaunted Japanese giant hollowed out.

Toshiba was one of Japan's great tech conglomerates, born in 1939 from a merger of Tokyo Shibaura and Tokyo Denki. It helped invent the modern electronics era, pioneering flash memory and the portable laptop, and for decades its name was on everything from power plants and semiconductors to TVs and notebook PCs.

The unraveling began with a 2015 accounting scandal, in which Toshiba overstated profits by hundreds of millions of dollars. That broke its credibility, and the blow came just as it was heavily exposed to a disastrous US nuclear venture (Westinghouse) that drove billions in writedowns. The once-mighty company had to sell its crown jewels to survive.

It sold its memory business (Kioxia, to a Bain-led consortium), its laptop business (dynabook, to Sharp), and sliced itself down to infrastructure and power. In 2023 Toshiba de-listed after a buyout - a far cry from the conglomerate that once helped define Japanese engineering. The name survives, but the company is a shadow of itself.

Quick facts

Founded
1939 (Tokyo Shibaura + Tokyo Denki)
Flagship wins
Flash memory, laptops, power
2015 scandal
Profits overstated by ~$1.2B
US nuclear writedown
Westinghouse hit (2017)
Sold memory
Kioxia, to a Bain-led group (2018)
Sold laptops
dynabook, to Sharp (2020)

Sources

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