Inventor
OHARA MASAMI
JP6 patents
⚠️ This page may combine multiple inventors who share the name “OHARA MASAMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMCO CORP
4 patentsUS12371812B2Jul 29, 2025
Quartz glass crucible and manufacturing method thereof
SUMCO CORP0 citations60
US9708730B1Jul 18, 2017
Quality-evaluated vitreous silica crucible
SUMCO CORP0 citations50
US9653268B2May 16, 2017
Inspection method of vitreous silica crucible
SUMCO CORP0 citations50
US9557276B2Jan 31, 2017
Inspection method of vitreous silica crucible
SUMCO CORP0 citations50