Inventor

KOUGAMI HAZUMU

JP2 patents

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

SUMCO CORP

1 patent

US7405142B2Jul 29, 2008

Semiconductor substrate and field-effect transistor, and manufacturing method for same

SUMCO CORP13 citations80

SUMITOMO MITSUBISHI SILICON

1 patent

US7198997B2Apr 3, 2007

Method for producing semiconductor substrate, method for producing field effect transistor, semiconductor substrate, and field effect transistor

SUMITOMO MITSUBISHI SILICON5 citations58