Inventor · disambiguated record

Hidekazu Matsumura

Also filed as: MATSUMURA HIDEKAZU

2 granted patents·70 citations·filing 1988–1989

65Inventor score

Technology areasG06K G06Q

Files withTOPPAN PRINTING CO LTD2

Top patents by PatentIndex Score

2 records

0149US4908038AHigh-security integrated-circuit cardTOPPAN PRINTING CO LTD·Filed 1988·Granted Mar 13, 1990·54 cites·8 claims
0246US5015834AInformation card system communicable in contactless mannerTOPPAN PRINTING CO LTD·Filed 1989·Granted May 14, 1991·16 cites·24 claims

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