Assignee

YOON II SHIK

2 granted patents·7 citations·filing 2004–2018

Technology mixB66B2 G06F1 G09G1 H04N1 H04R1

Top patents by PatentIndex Score

2 records

0156US10618773B2Elevator operation control device and method using monitorYOON II SHIK·Filed 2018·Granted Apr 14, 2020·1 cites·10 claims
0238US7469773B2Assistant ceiling device for shielding escape hatch of an elevatorYOON II SHIK·Filed 2004·Granted Dec 30, 2008·6 cites·3 claims

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