Inventor

TACHIKAWA AKIYOSHI

JP5 patents

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

SILTRONIC AG

2 patents

US7208043B2Apr 24, 2007

Silicon semiconductor substrate and preparation thereof

SILTRONIC AG9 citations71

US6805742B2Oct 19, 2004

Silicon semiconductor substrate and process for producing the same

SILTRONIC AG6 citations58

NIPPON STEEL CORP

2 patents

US5833749ANov 10, 1998

Compound semiconductor substrate and process of producing same

NIPPON STEEL CORP14 citations67

US5438951AAug 8, 1995

Method of growing compound semiconductor on silicon wafer

NIPPON STEEL CORP10 citations66

WACKER SILTRONIC HALBLEITERMAT

1 patent

US6767848B2Jul 27, 2004

Silicon semiconductor substrate and method for production thereof

WACKER SILTRONIC HALBLEITERMAT4 citations56