Assignee

DFC CO LTD

JP·2 granted patents·68 citations·filing 1993–1993

Technology mixA61B2 A63F1

Top patents by PatentIndex Score

2 records

0176US5470081AControl-signal input device for computer game machinesDFC CO LTD·Filed 1993·Granted Nov 28, 1995·56 cites·7 claims
0228US5460184AMental-concentration measuring method and apparatusDFC CO LTD·Filed 1993·Granted Oct 24, 1995·12 cites·6 claims

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