Inventor

AKATSUKA MASANORI

JP4 patents

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

SUMCO CORP

1 patent

US7700394B2Apr 20, 2010

Method for manufacturing silicon wafer method

SUMCO CORP20 citations82

SUMITOMO METAL IND

1 patent

US6599816B2Jul 29, 2003

Method of manufacturing silicon epitaxial wafer

SUMITOMO METAL IND10 citations69

NAKAI SADAO

1 patent

US5587793ADec 24, 1996

Birefringence distribution measuring method

NAKAI SADAO18 citations65

SUMITOMO MITSUBISHI SILICON

1 patent

US6875643B2Apr 5, 2005

SOI substrate and manufacturing method thereof

SUMITOMO MITSUBISHI SILICON2 citations60