Inventor

HIRANO YUMIKO

JP2 patents

⚠️ This page may combine multiple inventors who share the name “HIRANO YUMIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOSHIBA CERAMICS CO

1 patent

US6517632B2Feb 11, 2003

Method of fabricating a single crystal ingot and method of fabricating a silicon wafer

TOSHIBA CERAMICS CO21 citations87

COVALENT MATERIALS CORP

1 patent

US7291220B2Nov 6, 2007

Process of producing silicon wafer

COVALENT MATERIALS CORP1 citations43