Inventor · disambiguated record
Dong Sook Chang
Also filed as: CHANG DONG SOOK
4 granted patents·7 citations·filing 2007–2009
63Inventor score
Top patents by PatentIndex Score
4 records- 0168US8236697B2Method for manufacturing semiconductor deviceCHANG DONG SOOK·Filed 2008·Granted Aug 7, 2012·5 cites·16 claims
- 0262US8716779B2Flash memory device and mask for fabricating the sameKIM MI HYE·Filed 2009·Granted May 6, 2014·2 cites·11 claims
- 0347US8029949B2Photomask for forming contact hole in semiconductor deviceHYNIX SEMICONDUCTOR INC·Filed 2009·Granted Oct 4, 2011·0 cites·7 claims
- 0441US8045139B2Exposure apparatus capable of asymmetrically adjusting light intensityHYNIX SEMICONDUCTOR INC·Filed 2007·Granted Oct 25, 2011·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →