Inventor

USHIYAMA MASAHIRO

JP8 patents

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

HITACHI LTD

5 patents

US5188976AFeb 23, 1993

Manufacturing method of non-volatile semiconductor memory device

HITACHI LTD120 citations98

US6521943B1Feb 18, 2003

Semiconductor device having thin electrode layer adjacent gate insulator and method of manufacture

HITACHI LTD37 citations96

US6656804B2Dec 2, 2003

Semiconductor device and production method thereof

HITACHI LTD26 citations92

US6144062ANov 7, 2000

Semiconductor device having thin electrode layer adjacent gate insulator and method of manufacture

HITACHI LTD35 citations92

US6417052B1Jul 9, 2002

Fabrication process for semiconductor device

HITACHI LTD14 citations83

RENESAS TECH CORP

3 patents

US7163886B2Jan 16, 2007

Semiconductor integrated circuit device and process for manufacturing the same

RENESAS TECH CORP15 citations83

US6849513B2Feb 1, 2005

Semiconductor device and production method thereof

RENESAS TECH CORP2 citations62

US6723625B2Apr 20, 2004

Semiconductor device having thin electrode laye adjacent gate insulator and method of manufacture

RENESAS TECH CORP2 citations62