Inventor · disambiguated record
Koichi Sogawa
Also filed as: SOGAWA KOICHI
9 granted patents·103 citations·filing 1993–2010
88Inventor score
Top patents by PatentIndex Score
9 records- 0177US7692319B2Efficient provision of alignment marks on semiconductor waferRICOH KK·Filed 2006·Granted Apr 6, 2010·7 cites·12 claims
- 0275US8043928B2Efficient provision of alignment marks on semiconductor waferRICOH CO LTD·Filed 2010·Granted Oct 25, 2011·4 cites·13 claims
- 0374US5362662AMethod for producing semiconductor memory device having a planar cell structureRICOH KK·Filed 1993·Granted Nov 8, 1994·34 cites·21 claims
- 0469US7755207B2Wafer, reticle, and exposure method using the wafer and reticleRICOH KK·Filed 2006·Granted Jul 13, 2010·7 cites·17 claims
- 0564US6022650AOverlay target for precise positional determinationRICOH KK·Filed 1998·Granted Feb 8, 2000·23 cites·12 claims
- 0658US8116894B2Chemical mechanical polishing method and chemical mechanical polishing deviceMIYATA MASANORI·Filed 2008·Granted Feb 14, 2012·3 cites·4 claims
- 0750US5308781ASemiconductor memory deviceRICOH KK·Filed 1993·Granted May 3, 1994·14 cites·6 claims
- 0849US5670402AMethod of manufacturing core implanted semiconductor devicesRICOH KK·Filed 1995·Granted Sep 23, 1997·11 cites·9 claims
- 0935US6558859B2Method of checking pattern measurement and image recognition assisting patternRICOH KK·Filed 2001·Granted May 6, 2003·0 cites·7 claims
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