Assignee
PARK DUK-HA
KR·3 granted patents·1 pending application·31 citations·filing 2006–2013
Top patents by PatentIndex Score
4 records- 0193US9076548B1Semiconductor memory device including refresh control circuit and method of refreshing the samePARK DUK-HA·Filed 2013·Granted Jul 7, 2015·22 cites·20 claims
- 0285US8248871B2Redundancy circuits and semiconductor memory devicesPARK DUK-HA·Filed 2010·Granted Aug 21, 2012·9 cites·18 claims
- 0343US8274810B2Semiconductor memory device comprising transistor having vertical channel structurePARK DUK-HA·Filed 2010·Granted Sep 25, 2012·0 cites·7 claims
- 0434US2007152715A1Locked loop circuit for improving locking speed and clock locking method using the samePARK DUK-HA·Filed 2006·Application pending·0 cites
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