Assignee
CHO BUMCHUL
KR·2 granted patents·6 citations·filing 2011–2011
Top patents by PatentIndex Score
2 records- 0170US8766526B2Light-emitting device package providing improved luminous efficacy and uniform distributionCHO BUMCHUL·Filed 2011·Granted Jul 1, 2014·4 cites·20 claims
- 0257US8613533B2Optical sheet and light emitting device package having the sameCHO BUMCHUL·Filed 2011·Granted Dec 24, 2013·2 cites·19 claims
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