Inventor
NAKAGAWA HIROHIDE
6 patents
Patents
6 patentsUS4396941AAug 2, 1983
Combined television receiver/tape recorder/calculator
SHARP KK48 citations92
US4259668AMar 31, 1981
Television set/calculator interface including exchangeable keyboard panel and program memory cartridge
SHARP KK32 citations92
US4019178AApr 19, 1977
CMOS drive system for liquid crystal display units
SHARP KK21 citations81
US4005403AJan 25, 1977
Information storage and frequency converter for liquid crystal display
SHARP KK9 citations72
US4218876AAug 26, 1980
Combined timekeeper and calculator with low power consumption features
SHARP KK18 citations68
US3976994AAug 24, 1976
Liquid crystal display system
SHARP KK4 citations61