in Tokyo, a printing timer was required to time events, and Shinshu Seiki started developing an electronic printer.

In September 1968, Shinshu Seiki launched the world's first mini-printer, the EP-101 ("EP" for Electronic Printer), which was soon incorporated into many calculators. In June 1975, the name Epson was coined for the next generation of printers based on the EP-101, which was released to the public. The Epson name was coined by joining the initials EP (Electronic Printer) and the word ''son'',