Inventor · disambiguated record
Katsuhiko Nakai
Also filed as: NAKAI KATSUHIKO
17 granted patents·1 pending application·107 citations·filing 1999–2013
91Inventor score
Top patents by PatentIndex Score
18 records- 0182US8382894B2Process for the preparation of silicon wafer with reduced slip and warpageSILTRONIC AG·Filed 2009·Granted Feb 26, 2013·8 cites·8 claims
- 0279US6548886B1Silicon semiconductor wafer and method for producing the sameWACKER NSCE CORP·Filed 1999·Granted Apr 15, 2003·70 cites·26 claims
- 0378US8197594B2Silicon wafer for semiconductor and manufacturing method thereofNAKAI KATSUHIKO·Filed 2007·Granted Jun 12, 2012·6 cites·16 claims
- 0477US8357939B2Silicon wafer and production method thereforSILTRONIC AG·Filed 2010·Granted Jan 22, 2013·4 cites·2 claims
- 0575US8142885B2Silicon wafer and method for manufacturing the sameNAKAI KATSUHIKO·Filed 2007·Granted Mar 27, 2012·6 cites·17 claims
- 0674US8343618B2Silicon wafer and method of manufacturing the sameSILTRONIC AG·Filed 2009·Granted Jan 1, 2013·3 cites·3 claims
- 0774US7470323B2Process for producing p-doped and epitaxially coated semiconductor wafers from siliconSILTRONIC AG·Filed 2007·Granted Dec 30, 2008·4 cites·20 claims
- 0872US7875115B2Epitaxial wafer and method for producing epitaxial wafersSILTRONIC AG·Filed 2007·Granted Jan 25, 2011·4 cites·1 claims
- 0963US8872307B2P-type silicon single crystal and method of manufacturing the sameNAKAI KATSUHIKO·Filed 2012·Granted Oct 28, 2014·1 cites·23 claims
- 1058US8835284B2Method of manufacturing annealed waferNAKAI KATSUHIKO·Filed 2011·Granted Sep 16, 2014·1 cites·4 claims
- 1156US8524001B2Silicon wafer and method for producing the sameNAKAI KATSUHIKO·Filed 2009·Granted Sep 3, 2013·0 cites·3 claims
- 1254USRE45238ESilicon wafer and method of manufacturing the sameSILTRONIC AG·Filed 2013·Granted Nov 11, 2014·0 cites·9 claims
- 1351US8241421B2Epitaxial wafer and production method thereofNAKAI KATSUHIKO·Filed 2010·Granted Aug 14, 2012·0 cites·9 claims
- 1446US2010155903A1Annealed wafer and method for producing annealed waferSILTRONIC AG·Filed 2009·Application pending·0 cites
- 1545US8545622B2Annealed wafer and manufacturing method of annealed waferNAKAI KATSUHIKO·Filed 2006·Granted Oct 1, 2013·0 cites·16 claims
- 1641US8961685B2Method of manufacturing silicon single crystal, silicon single crystal, and waferNAKAI KATSUHIKO·Filed 2011·Granted Feb 24, 2015·0 cites·9 claims
- 1738US9303332B2Silicon single crystal substrate and method of manufacturing the sameNAKAI KATSUHIKO·Filed 2012·Granted Apr 5, 2016·0 cites·9 claims
- 1834US8524002B2Silicon wafer and method for producing the sameNAKAI KATSUHIKO·Filed 2010·Granted Sep 3, 2013·0 cites·3 claims
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