Inventor
SUWANAI NAOKATSU
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SUWANAI NAOKATSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
6 patentsUS6043118AMar 28, 2000
Semiconductor memory circuit device and method for fabricating a semiconductor memory device circuit
HITACHI LTD43 citations95
US5994762ANov 30, 1999
Semiconductor integrated circuit device including boron-doped phospho silicate glass layer and manufacturing method thereof
HITACHI LTD77 citations95
US5237187AAug 17, 1993
Semiconductor memory circuit device and method for fabricating same
HITACHI LTD66 citations95
US5389558AFeb 14, 1995
Method of making a semiconductor memory circuit device
HITACHI LTD35 citations92
US5025741AJun 25, 1991
Method of making semiconductor integrated circuit device with polysilicon contacts
HITACHI LTD33 citations92
US5631182AMay 20, 1997
Method of making a semiconductor memory circuit device
HITACHI LTD15 citations81
RENESAS TECH CORP
4 patentsUS7705462B2Apr 27, 2010
Semiconductor device and a method of manufacturing the same
RENESAS TECH CORP8 citations83
US7615848B2Nov 10, 2009
Semiconductor device and a method of manufacturing the same
RENESAS TECH CORP8 citations83
US7400046B2Jul 15, 2008
Semiconductor device with guard rings that are formed in each of the plural wiring layers
RENESAS TECH CORP6 citations73
US7303986B2Dec 4, 2007
Semiconductor device and a method of manufacturing the same
RENESAS TECH CORP6 citations73