Brand Story
pico- 《prefix》
1 one trillionth (1/1,000,000,000,000)
2 very small
3 square of [micro-]

Pico in the PicoKey, which is a prefix in the International System of Units (SI) denoting a factor of 1/1012, means 12 in the Keypad consisting of 12 keys, and Key means keys in the Keypad.

Also 1/1012 represents very high utilization as it is small enough.

is the Trade Mark of character input method, character input device, and character input program in small device using 12 keys.

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