Toshiba

Lore & Background

Toshiba traces its roots to Tanaka Seisakusho, established on 11 July 1875 by inventor-engineer Tanaka Hisashige. It was the first Japanese company to manufacture telegraph equipment and also produced switches and miscellaneous electrical and communications equipment. After Tanaka's death in 1881, the company became partly owned by General Electric and expanded into torpedo and mine production for the Imperial Japanese Navy, but later became insolvent and was taken over by Mitsui Bank in 1893, renamed Shibaura Seisakusho. The other half of Toshiba's origin, Hakunetsusha (later Tokyo Denki), was founded in 1890 by Miyoshi Shōichi and specialized in lightbulbs. It struggled against imports but survived after the First Sino-Japanese and Russo-Japanese wars, and in 1905 entered a collaboration with General Electric, which acquired 51 percent ownership.

The two companies merged in 1939 to form Tokyo Shibaura Denki, soon nicknamed Toshiba. The group expanded rapidly through organic growth and acquisitions in the 1940s and 1950s. Toshiba is responsible for numerous Japanese firsts, including radar (1912), the TAC digital computer (1954), transistor television, color CRTs and microwave oven (1959), color video phone (1971), Japanese word processor (1978), MRI system (1982), personal computer Pasopia (1981), laptop personal computer (1986), NAND EEPROM (1991), DVD (1995), the Libretto sub-notebook personal computer (1996) and HD DVD (2005). In 1987, a subsidiary, Toshiba Machine, was accused of illegally selling CNC milling machines to the Soviet Union in violation of the CoCom agreement, straining US-Japan relations and resulting in sanctions.

During the 2010s, Toshiba faced a much-publicised accounting scandal and the bankruptcy of its subsidiary nuclear energy company Westinghouse in 2017. This forced the conglomerate to shed underperforming businesses, eliminating its century-long presence in consumer markets. After a rejection to split the company, Toshiba was purchased by a consortium led by Japan Industrial Partners (JIP) and Tolba in 2023, turning private and delisting after 74 years from the Tokyo Stock Exchange, where it was formerly a constituent of the Nikkei 225 and TOPIX 100 indices.

Reader's Guide

Toshiba's significance in PC gaming stems from its pioneering role in portable computing. It released the first mass-market laptop in 1985 and later ranked as a major vendor of laptops, including the Libretto sub-notebook personal computer (1996). As a semiconductor company and the inventor of flash memory (NAND EEPROM, 1991), Toshiba was one of the top 10 in the chip industry until its flash memory unit was spun off as Kioxia in the late 2010s. Its legacy in the PC space is tied to its early dominance in laptops, which made mobile gaming and computing more accessible. However, Toshiba exited the PC business in 2020, having divested it into Dynabook Inc. The company's broader technological contributions—such as the DVD (1995) and HD DVD (2005)—also influenced gaming media and storage. Despite its exit from consumer markets following financial troubles and a 2023 privatization, Toshiba's historical role as a laptop innovator and flash memory inventor remains foundational to modern PC gaming hardware.

Did You Know?

• It invented NAND flash memory (NAND EEPROM) in 1991.
• The Toshiba name is a nickname from its former name Tokyo Shibaura Denki, officially adopted in 1978.
• Toshiba was delisted from the Tokyo Stock Exchange in 2023 after 74 years.