Inventor
KOUMO HIDEYASU
JP6 patents
Patents
6 patentsUS5371694ADec 6, 1994
Scientific calculator
SHARP KK14 citations71
US5241489AAug 31, 1993
Electronic computer with fraction and exponent display
SHARP KK7 citations71
US5253191AOct 12, 1993
Electronic computer capable of entering unary operator using prefix notation
SHARP KK2 citations60
US5249147ASep 28, 1993
Electronic apparatus provided with device of calculating complex numbers
SHARP KK2 citations60
US5079732AJan 7, 1992
Multi-functional electronic desk calculator
SHARP KK3 citations60
US5065359ANov 12, 1991
Desk top calculator with access sequence control system for various constants
SHARP KK1 citations50