Inventor
SHIRAISHI TAKAYOSHI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAISHI TAKAYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
5 patentsUS4885788ADec 5, 1989
IC card
HITACHI LTD139 citations97
US4947447AAug 7, 1990
Method for data coding
HITACHI LTD71 citations95
US4885777ADec 5, 1989
Electronic transaction system
HITACHI LTD154 citations95
US4831659AMay 16, 1989
Method for image data coding
HITACHI LTD86 citations95
US4797921AJan 10, 1989
System for enciphering or deciphering data
HITACHI LTD79 citations94