Inventor
KATAOKA YOSHIRO
7 patents
Patents
7 patentsUS4724527AFeb 9, 1988
Electronic personal asset control device
SHARP KK28 citations92
US4587409AMay 6, 1986
Information processing device
SHARP KK26 citations92
US5742563AApr 21, 1998
Electronic device with calendar function including determining the first week of the year
SHARP KK23 citations91
US5530684AJun 25, 1996
Electronic device with calendar function
SHARP KK36 citations91
US5448532ASep 5, 1995
Electronic world clock device for indicating times for various spots in the world
SHARP KK22 citations91
US4340375AJul 20, 1982
Electronic learning aid
SHARP KK44 citations89
US4321046AMar 23, 1982
Electronic learning aid operable in an examination mode
SHARP KK13 citations67