Assignee
SUMITOMO SITIX CORP
JP·36 granted patents·757 citations·filing 1992–1999
Top patents by PatentIndex Score
36 records- 0193US5954873AManufacturing method for a silicon single crystal waferSUMITOMO SITIX CORP·Filed 1997·Granted Sep 21, 1999·151 cites·9 claims
- 0278US5873468AThin-plate supporting container with filter meansSUMITOMO SITIX CORP·Filed 1996·Granted Feb 23, 1999·48 cites·6 claims
- 0377US6245430B1Silicon single crystal wafer and manufacturing method for itSUMITOMO SITIX CORP·Filed 1999·Granted Jun 12, 2001·28 cites·23 claims
- 0477US5508207AMethod 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
- 0574US5931662ASilicon single crystal wafer annealing method and equipment and silicon single crystal wafer and manufacturing method related theretoSUMITOMO SITIX CORP·Filed 1997·Granted Aug 3, 1999·43 cites·17 claims
- 0673US5916364AMethod and apparatus for pulling a single crystalSUMITOMO SITIX CORP·Filed 1997·Granted Jun 29, 1999·26 cites·17 claims
- 0770US6086671AMethod for growing a silicon single crystalSUMITOMO SITIX CORP·Filed 1998·Granted Jul 11, 2000·23 cites·12 claims
- 0867US5772724AHigh purity titanium production processSUMITOMO SITIX CORP·Filed 1996·Granted Jun 30, 1998·21 cites·18 claims
- 0966US5759971ASemiconductor wafer cleaning liquidSUMITOMO SITIX CORP·Filed 1995·Granted Jun 2, 1998·40 cites·1 claims
- 1065US5979474ACleaning equipment for semiconductor substratesSUMITOMO SITIX CORP·Filed 1998·Granted Nov 9, 1999·40 cites·3 claims
- 1164US6099641AApparatus for pulling a single crystalSUMITOMO SITIX CORP·Filed 1999·Granted Aug 8, 2000·14 cites·4 claims
- 1263US6110272AMethod for producing silicon single crystalSUMITOMO SITIX CORP·Filed 1998·Granted Aug 29, 2000·25 cites·9 claims
- 1361US6015461ASeed crystal holders, for pulling a single crystalSUMITOMO SITIX CORP·Filed 1997·Granted Jan 18, 2000·14 cites·10 claims
- 1459US5961715AMethod for pulling a single crystalSUMITOMO SITIX CORP·Filed 1997·Granted Oct 5, 1999·12 cites·1 claims
- 1559US5932002ASeed crystals for pulling a single crystal and methods using the sameSUMITOMO SITIX CORP·Filed 1997·Granted Aug 3, 1999·22 cites·20 claims
- 1659US5730799ADevice for producing single crystalsSUMITOMO SITIX CORP·Filed 1994·Granted Mar 24, 1998·15 cites·4 claims
- 1758US6139632ASeed crystals, seed crystal holders, and a method for pulling a single crystalSUMITOMO SITIX CORP·Filed 1999·Granted Oct 31, 2000·16 cites·5 claims
- 1858US6086670ASilicon wafer and method for producing the sameSUMITOMO SITIX CORP·Filed 1998·Granted Jul 11, 2000·19 cites·5 claims
- 1958US6080238ASingle crystal pulling methodSUMITOMO SITIX CORP·Filed 1998·Granted Jun 27, 2000·13 cites·9 claims
- 2054US5575847AApparatus for producing single crystalsSUMITOMO SITIX CORP·Filed 1994·Granted Nov 19, 1996·16 cites·12 claims
- 2152US5840116AMethod of growing crystalsSUMITOMO SITIX CORP·Filed 1997·Granted Nov 24, 1998·10 cites·9 claims
- 2250US6267816B1Method for single crystal growthSUMITOMO SITIX CORP·Filed 1998·Granted Jul 31, 2001·9 cites·12 claims
- 2348US5919306ASilicon melting crucibleSUMITOMO SITIX CORP·Filed 1997·Granted Jul 6, 1999·17 cites·15 claims
- 2446US5925147AProcess for producing single crystalsSUMITOMO SITIX CORP·Filed 1996·Granted Jul 20, 1999·9 cites·2 claims
- 2545US5683505AProcess for producing single crystalsSUMITOMO SITIX CORP·Filed 1996·Granted Nov 4, 1997·8 cites·20 claims
- 2643US6032817AEasily attachable/detachable lid mounted containerSUMITOMO SITIX CORP·Filed 1998·Granted Mar 7, 2000·11 cites·6 claims
- 2743USRE35242EMethod for growing silicon single crystalSUMITOMO SITIX CORP·Filed 1992·Granted May 21, 1996·6 cites·16 claims
- 2840US6093259AColor development method of metallic titanium and black and colored titanium manufactured by this methodSUMITOMO SITIX CORP·Filed 1997·Granted Jul 25, 2000·10 cites·11 claims
- 2939US5471949AApparatus for producing silicon single crystalSUMITOMO SITIX CORP·Filed 1994·Granted Dec 5, 1995·6 cites·15 claims
- 3034US5477806AMethod of producing silison single crystalSUMITOMO SITIX CORP·Filed 1994·Granted Dec 26, 1995·3 cites·6 claims
- 3133US5551978AApparatus for producing single crystalSUMITOMO SITIX CORP·Filed 1995·Granted Sep 3, 1996·4 cites·8 claims
- 3231US5948160AMethod for detecting torsional oscillations and method for manufacturing a single crystalSUMITOMO SITIX CORP·Filed 1997·Granted Sep 7, 1999·2 cites·11 claims
- 3331US5611857AApparatus for producing single crystalsSUMITOMO SITIX CORP·Filed 1995·Granted Mar 18, 1997·2 cites·16 claims
- 3430US5474019AProcess for producing silicon single crystalsSUMITOMO SITIX CORP·Filed 1994·Granted Dec 12, 1995·2 cites·15 claims
- 3528US5989341ASingle crystal producing apparatus and a single crystal producing method using sameSUMITOMO SITIX CORP·Filed 1997·Granted Nov 23, 1999·2 cites·20 claims
- 3626US5435263AMethod of producing single crystalSUMITOMO SITIX CORP·Filed 1994·Granted Jul 25, 1995·1 cites·10 claims
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