Inventor · disambiguated record
Shigeru Umeno
Also filed as: UMENO SHIGERU
17 granted patents·4 pending applications·104 citations·filing 2000–2018
92Inventor score
Top patents by PatentIndex Score
21 records- 0187US7344689B2Silicon wafer for IGBT and method for producing sameSUMCO CORP·Filed 2006·Granted Mar 18, 2008·12 cites·2 claims
- 0285US6641888B2Silicon single crystal, silicon wafer, and epitaxial wafer.SUMITOMO MITSUBISHI SILICON·Filed 2002·Granted Nov 4, 2003·29 cites·12 claims
- 0383US7846252B2Silicon wafer for IGBT and method for producing sameSUMCO CORP·Filed 2007·Granted Dec 7, 2010·8 cites·4 claims
- 0482US6365461B1Method of manufacturing epitaxial waferSUMITOMO METAL IND·Filed 2000·Granted Apr 2, 2002·19 cites·20 claims
- 0578US7629054B2Single crystal silicon wafer for insulated gate bipolar transistorsSUMCO CORP·Filed 2007·Granted Dec 8, 2009·5 cites·5 claims
- 0677US8771415B2Method of manufacturing silicon single crystal, silicon single crystal ingot, and silicon waferUMENO SHIGERU·Filed 2009·Granted Jul 8, 2014·4 cites·11 claims
- 0772US8617311B2Silicon single crystal wafer for IGBT and method for manufacturing silicon single crystal wafer for IGBTONO TOSHIAKI·Filed 2007·Granted Dec 31, 2013·3 cites·6 claims
- 0863US7563319B2Manufacturing method of silicon waferSUMITOMO MITSUBISHI SILICON·Filed 2003·Granted Jul 21, 2009·9 cites·12 claims
- 0963US7288791B2Epitaxial wafer and method for manufacturing methodSUMITOMO MITSUBISHI SILICON·Filed 2003·Granted Oct 30, 2007·8 cites·7 claims
- 1063US7014704B2Method for growing silicon single crystalSUMITOMO MITSUBISHI SILICON·Filed 2003·Granted Mar 21, 2006·5 cites·3 claims
- 1161US8105436B2Single crystal silicon wafer for insulated gate bipolar transistors and process for producing the sameUMENO SHIGERU·Filed 2008·Granted Jan 31, 2012·1 cites·4 claims
- 1256US8231852B2Silicon wafer and method for producing the sameITOU WATARU·Filed 2010·Granted Jul 31, 2012·1 cites·6 claims
- 1353US11094557B2Silicon waferSUMCO CORP·Filed 2018·Granted Aug 17, 2021·0 cites·9 claims
- 1449US8460463B2Silicon wafer and method for producing the sameUMENO SHIGERU·Filed 2009·Granted Jun 11, 2013·0 cites·5 claims
- 1548US2010052103A1Silicon wafer and method for producing the sameSUMCO CORP·Filed 2009·Application pending·0 cites
- 1647US9412622B2Epitaxial silicon wafer and method for manufacturing sameSUMCO CORP·Filed 2013·Granted Aug 9, 2016·0 cites·4 claims
- 1745US2010288184A1Silicon single crystal wafer for igbt and method for manufacturing silicon single crystal wafer for igbtONO TOSHIAKI·Filed 2010·Application pending·0 cites
- 1844US10177008B2Silicon wafer and method for manufacturing the sameSUMCO CORP·Filed 2014·Granted Jan 8, 2019·0 cites·8 claims
- 1941US2002142170A1Silicon single crystal, silicon wafer, and epitaxial waferSUMITOMO METAL IND·Filed 2002·Application pending·0 cites
- 2039US11121003B2Method of predicting thermal donor formation behavior in silicon wafer, method of evaluating silicon wafer, and method of producing silicon waferSUMCO CORP·Filed 2018·Granted Sep 14, 2021·0 cites·7 claims
- 2137US2011052923A1Method of producing epitaxial wafer as well as epitaxial waferSUMCO CORP·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →