P

Inventor

SHINAGAWA TORU

JP6 patents
⚠️ This page may combine multiple inventors who share the name “SHINAGAWA TORU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HITACHI MAXELL

3 patents
US5200600AApr 6, 1993

IC card and method for writing information therein

HITACHI MAXELL78 citations94
US5126541AJun 30, 1992

Integrated circuit card

HITACHI MAXELL56 citations94
US5003594AMar 26, 1991

Portable electronic device and its secret information collation method

HITACHI MAXELL69 citations94

UNIV CALIFORNIA

2 patents
US5410676AApr 25, 1995

Information system using designating areas for retrieving/converting data and directories of different formats storing in optical and magnetic storage

UNIV CALIFORNIA96 citations91
US5471606ANov 28, 1995

Information storage and processing

UNIV CALIFORNIA19 citations77

HATACHI MAXELL LTD

1 patent
US5276903AJan 4, 1994

Method for rewriting partial program data in an IC card and apparatus therefor

HATACHI MAXELL LTD27 citations87