Inventor
OZEKI TOMOTAKA
JP5 patents
Patents
5 patentsUS4864542ASep 5, 1989
Memory cartridge having stored data protecting function and memory protecting method
HITACHI MAXELL96 citations94
US4814924AMar 21, 1989
Composite memory device
HITACHI MAXELL60 citations93
US5402385AMar 28, 1995
Memory card
HITACHI MAXELL27 citations89
US5069989ADec 3, 1991
Alkaline cell
HITACHI MAXELL15 citations72
US5282113AJan 25, 1994
Memory card with a plurality of contact spaces
HITACHI MAXELL3 citations59