Inventor · disambiguated record
Sumihisa Masuda
Also filed as: MASUDA SUMIHISA
7 granted patents·40 citations·filing 1999–2023
80Inventor score
Technology areasH10P
Top patents by PatentIndex Score
7 records- 0177US8952496B2Semiconductor wafer and method of producing sameSUMCO CORP·Filed 2014·Granted Feb 10, 2015·4 cites·2 claims
- 0267US8772177B2Semiconductor wafer and method of producing the sameMASUDA SUMIHISA·Filed 2010·Granted Jul 8, 2014·3 cites·9 claims
- 0365US12406863B2Wafer separation apparatus and method, and method for manufacturing silicon waferSUMCO CORP·Filed 2023·Granted Sep 2, 2025·0 cites·6 claims
- 0460US6465328B1Semiconductor wafer manufacturing methodSUMITOMO METAL IND·Filed 1999·Granted Oct 15, 2002·26 cites·5 claims
- 0545US9631297B2Method of producing epitaxial silicon wafer and epitaxial silicon waferSUMCO CORP·Filed 2013·Granted Apr 25, 2017·0 cites·7 claims
- 0638US6211088B1Manufacturing method for semiconductor gas-phase epitaxial waferSUMITOMO METAL IND·Filed 1999·Granted Apr 3, 2001·7 cites·7 claims
- 0734US9685315B2Method of producing epitaxial wafer and the epitaxial wafer having a highly flat rear surfaceMASUDA SUMIHISA·Filed 2011·Granted Jun 20, 2017·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →