KO

Ken-Ichi Oyama

NE Nec: 2 patents #67 of 1,182Top 6%
Overall (1997): #33,374 of 185,788Top 20%
2
Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5637897 Nonvolatile semiconductor memory device with dual insulation layers between adjacent gate structures — 1997-06-10
5636168 Method for testing a nonvolatile semiconductor memory device — 1997-06-03