Assignee
ZHANG GUOQIANG DAVID
US·1 granted patent·2 pending applications·0 citations·filing 2010–2010
Top patents by PatentIndex Score
3 records- 0135US8310031B2Semiconductor and solar wafersZHANG GUOQIANG DAVID·Filed 2010·Granted Nov 13, 2012·0 cites·19 claims
- 0235US2012028555A1Grinding Tool For Trapezoid Grinding Of A WaferZHANG GUOQIANG DAVID·Filed 2010·Application pending·0 cites
- 0330US2012028439A1Semiconductor And Solar Wafers And Method For Processing SameZHANG GUOQIANG DAVID·Filed 2010·Application pending·0 cites
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