Inventor
OURA YASUHIRO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “OURA YASUHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMCO CORP
4 patentsUS7846252B2Dec 7, 2010
Silicon wafer for IGBT and method for producing same
SUMCO CORP8 citations82
US7344689B2Mar 18, 2008
Silicon wafer for IGBT and method for producing same
SUMCO CORP12 citations82
US7582540B2Sep 1, 2009
Method for manufacturing SOI wafer
SUMCO CORP2 citations59
US7615467B2Nov 10, 2009
Method for manufacturing SOI wafer
SUMCO CORP1 citations49