Inventor · disambiguated record
Masataka Horai
Also filed as: HORAI MASATAKA
7 granted patents·3 pending applications·165 citations·filing 1993–2004
87Inventor score
Files withSUMITOMO MITSUBISHI SILICON4SUMITOMO METAL IND2ASAYAMA EIICHI1SUMCO CORP1SUMITOMO SITIX CORP1
Top patents by PatentIndex Score
10 records- 0185US6641888B2Silicon single crystal, silicon wafer, and epitaxial wafer.SUMITOMO MITSUBISHI SILICON·Filed 2002·Granted Nov 4, 2003·29 cites·12 claims
- 0283US6878451B2Silicon single crystal, silicon wafer, and epitaxial waferSUMITOMO MITSUBISHI SILICON·Filed 2003·Granted Apr 12, 2005·15 cites·3 claims
- 0377US5508207AMethod of annealing a semiconductor wafer in a hydrogen atmosphere to desorb surface contaminantsSUMITOMO SITIX CORP·Filed 1993·Granted Apr 16, 1996·69 cites·1 claims
- 0474US7316745B2High-resistance silicon wafer and process for producing the sameSUMCO CORP·Filed 2003·Granted Jan 8, 2008·21 cites·15 claims
- 0571US6709957B2Method of producing epitaxial wafersSUMITOMO MITSUBISHI SILICON·Filed 2002·Granted Mar 23, 2004·9 cites·10 claims
- 0669US6835245B2Method of manufacturing epitaxial wafer and method of producing single crystal as material thereforSUMITOMO MITSUBISHI SILICON·Filed 2001·Granted Dec 28, 2004·8 cites·5 claims
- 0758US6113687AMethod for making a silicon single crystal waferSUMITOMO METAL IND·Filed 1998·Granted Sep 5, 2000·14 cites·12 claims
- 0846US2004216659A1Method of making an epitaxial waferASAYAMA EIICHI·Filed 2004·Application pending·0 cites
- 0941US2002142170A1Silicon single crystal, silicon wafer, and epitaxial waferSUMITOMO METAL IND·Filed 2002·Application pending·0 cites
- 1036US2003104222A1Silicon wafer and epitaxial silicon waferFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →