EU

Eiichi Umemura

OC Oki Electric Industry Co.: 8 patents #196 of 2,807Top 7%
Overall (All Time): #660,092 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
7215029 Multilayer interconnection structure of a semiconductor 2007-05-08
7081758 Inspection pattern, inspection method, and inspection system for detection of latent defect of multi-layer wiring structure Hiroyuki Fukunaga, Hiroyuki Nakayashiki 2006-07-25
6884637 Inspection pattern, inspection method, and inspection system for detection of latent defect of multi-layer wiring structure Hiroyuki Fukunaga, Hiroyuki Nakayashiki 2005-04-26
6787705 Interconnection structure of semiconductor element 2004-09-07
6690092 Multilayer interconnection structure of a semiconductor device 2004-02-10
6677236 Semiconductor device fabrication method for interconnects that suppresses loss of interconnect metal 2004-01-13
6444918 Interconnection structure of semiconductor element 2002-09-03
6346749 Semiconductor device 2002-02-12