Inventor

MYOOI TETSUO

JP3 patents

Patents

3 patents

US4172285AOct 23, 1979

Key-operated program calculator

SHARP KK8 citations71

US4507743AMar 26, 1985

Calculation system utilizing definable keys

SHARP KK7 citations70

US4554641ANov 19, 1985

Programmable calculator

SHARP KK5 citations59