Inventor
HAMANO KOICHI
US4 patents
Patents
4 patentsUS4220991ASep 2, 1980
Electronic cash register with removable memory packs for cashier identification
TOKYO ELECTRIC CO LTD218 citations97
US4213179AJul 15, 1980
Data processing apparatus for electronic cashier registers
TOKYO ELECTRIC CO LTD45 citations91
US4661908AApr 28, 1987
Sales data processing system
TOKYO ELECTRIC CO LTD39 citations89
US4245331AJan 13, 1981
Memory pack
TOKYO ELECTRIC CO LTD8 citations72