| 1940 |
Formed as Kobe Factory of Tokyo Shibaura Electric Co., began manufacturing marine radio equipment. |
| 1950 |
In corporate restructuring due to antitrust laws, began life as Tokyo Electric Radio Co., a Toshiba group company. |
| 1959 |
Name changed to Toshiba Electronic Industry Co. |
| 1964 |
Head office moved to Yokohama. |
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| 1948 |
Began as Tokyo Electronic Heating Research. Began manufacturing of communications equipment and high frequency heating equipment. |
| 1958 |
Received capital investment from Toshiba and Tokyo Broadcasting System, began manufacturing of television cameras, imaging equipment, audio equipment, and communications equipment. Name changed to Tokyo Electronic Equipment. |
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| 1953 |
Manufactured first domestically-produced ITV at Komukai Factory of Tokyo Shibaura Electric's Telecommunications Division. |
| 1968 |
Moved to the Hino Factory of Tokyo Shibaura Electric's Electrical Telecommunications Division. |
| 2002 |
Toshiba Telecommunications Systems Construction merged with Toshiba Telecommunications System Engineering, integrated with telecommunications system design and manufacturing organizations from the Toshiba Hino Factory to form Toshiba Telecommunciations Systems. |
| January 2004 |
In corporate reorganization, Toshiba Telecommunications Systems acquired Toshiba Consumer Telecommunications Systems business. |
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