Inventor · disambiguated record
Toshirou Kotooka
Also filed as: KOTOOKA TOSHIROU
15 granted patents·4 pending applications·279 citations·filing 1997–2021
94Inventor score
Top patents by PatentIndex Score
19 records- 0189US6858076B1Method and apparatus for manufacturing single-crystal ingotKOMATSU DENSHI KINZOKU KK·Filed 2000·Granted Feb 22, 2005·33 cites·6 claims
- 0286US6869478B2Method for producing silicon single crystal having no flawKOMATSU DENSHI KINZOKU KK·Filed 2001·Granted Mar 22, 2005·29 cites·5 claims
- 0385US5900059AMethod and apparatus for fabricating semiconductor single crystalKOMATSU DENSHI KINZOKU KK·Filed 1998·Granted May 4, 1999·53 cites·5 claims
- 0481US7524371B2Method for manufacturing defect-free silicon single crystalSUMCO TECHXIV CORP·Filed 2007·Granted Apr 28, 2009·6 cites·16 claims
- 0581US6117402ADevice for manufacturing single crystalsKOMATSU DENSHI KINZOKU KK·Filed 1999·Granted Sep 12, 2000·40 cites·2 claims
- 0678US6977010B2Apparatus for pulling single crystal by CZ methodKOMATSU DENSHI KINZOKU KK·Filed 2003·Granted Dec 20, 2005·12 cites·8 claims
- 0776US6458203B1System for manufacturing a single-crystal ingot employing czochralski technique, and method of controlling the systemFiled 2000·Granted Oct 1, 2002·13 cites·9 claims
- 0873US6572699B1Method and apparatus for detecting melt levelKOMATSU DENSHI KINZOKU KK·Filed 2000·Granted Jun 3, 2003·16 cites·22 claims
- 0969US6994748B2Method and apparatus for measuring melt levelKOMATSU DENSHI KINZOKU KK·Filed 2001·Granted Feb 7, 2006·8 cites·6 claims
- 1069US5935326AApparatus for manufacturing semiconductor single crystalsKOMATSU DENSHI KINZOKU KK·Filed 1997·Granted Aug 10, 1999·21 cites·5 claims
- 1168US7141113B1Production method for silicon single crystal and production device for single crystal ingot, and heat treating method for silicon crystal waferKOMATSU DENSHI KINZOKU KK·Filed 1999·Granted Nov 28, 2006·22 cites·5 claims
- 1268US6569236B1Device and method for producing single-crystal ingotKOMATSU DENSHI KINZOKU KK·Filed 2000·Granted May 27, 2003·13 cites·22 claims
- 1366US7727334B2Apparatus for pulling single crystal by CZ methodSUMCO TECHXIV CORP·Filed 2007·Granted Jun 1, 2010·2 cites·12 claims
- 1462US2008311019A1Apparatus for pulling single crystal by CZ methodKOMATSU DENSHI KINZOKU KK·Filed 2007·Application pending·0 cites
- 1557US11634833B2Production method of monocrystalline silicon based on an emissivity of a production apparatusSUMCO CORP·Filed 2021·Granted Apr 25, 2023·0 cites·8 claims
- 1650US2008311021A1Apparatus for pulling single crystal by CZ methodKOMATSU DENSHI KINZOKU KK·Filed 2007·Application pending·0 cites
- 1746US6071341AApparatus for fabricating single-crystal siliconKOMATSU DENSHI KINZOKU KK·Filed 1997·Granted Jun 6, 2000·11 cites·20 claims
- 1844US2007240629A1Method for manufacturing a silicon single crystalSUMCO TECHXIV CORP·Filed 2007·Application pending·0 cites
- 1939US2008302295A1Method of Evaluating Quality of Silicon Single CrystalKOTOOKA TOSHIROU·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →