Inventor · disambiguated record
Yumiko Hirano
Also filed as: HIRANO YUMIKO
2 granted patents·1 pending application·22 citations·filing 2001–2006
56Inventor score
Technology areasC30B
Top patents by PatentIndex Score
3 records- 0179US6517632B2Method of fabricating a single crystal ingot and method of fabricating a silicon waferTOSHIBA CERAMICS CO·Filed 2001·Granted Feb 11, 2003·21 cites·19 claims
- 0261US7291220B2Process of producing silicon waferCOVALENT MATERIALS CORP·Filed 2005·Granted Nov 6, 2007·1 cites·3 claims
- 0344US2007068447A1Method of manufacturing silicon waferTOSHIBA CERAMICS CO·Filed 2006·Application pending·0 cites
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