Assignee
TOMITA KEN
JP·4 granted patents·1 citations·filing 2011–2012
Top patents by PatentIndex Score
4 records- 0173US8987041B2Method for manufacturing solid-state imaging deviceTOMITA KEN·Filed 2012·Granted Mar 24, 2015·1 cites·14 claims
- 0244US8436402B2Exposure mask used for manufacturing a semiconductor device having impurity layer and a semiconductor deviceTOMITA KEN·Filed 2011·Granted May 7, 2013·0 cites·11 claims
- 0342US9177990B2Method for forming impurity layer, exposure mask therefore and method for producing solid-state imaging deviceTOMITA KEN·Filed 2011·Granted Nov 3, 2015·0 cites·26 claims
- 0439US8518810B2Method for manufacturing a semiconductor deviceTOMITA KEN·Filed 2011·Granted Aug 27, 2013·0 cites·16 claims
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