Inventor · disambiguated record
Ryoichi Yoshifuku
Also filed as: YOSHIFUKU RYOICHI
4 granted patents·12 citations·filing 2002–2010
67Inventor score
Top patents by PatentIndex Score
4 records- 0163US7989283B2Manufacturing method of semiconductor deviceRENESAS ELECTRONICS CORP·Filed 2010·Granted Aug 2, 2011·2 cites·16 claims
- 0252US6651678B2Method of manufacturing semiconductor deviceMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 25, 2003·6 cites·8 claims
- 0350US6740598B2Wiring layer dry etching method and semiconductor device manufacturing methodRENESAS TECH CORP·Filed 2002·Granted May 25, 2004·4 cites·12 claims
- 0434US6825118B2Method of manufacturing semiconductor device having trench element-isolating structureRENESAS TECH CORP·Filed 2003·Granted Nov 30, 2004·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →