YO

Yoshifumi Okamura

NE Nec: 4 patents #3,388 of 14,502Top 25%
Overall (All Time): #1,278,289 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6011745 Semiconductor memory system with bank switching control 2000-01-04
5936975 Semiconductor memory device with switching circuit for controlling internal addresses in parallel test 1999-08-10
5784324 Single-chip memory system having a multiple bit line structure for outputting a plurality of data simultaneously 1998-07-21
5566117 Reliable self-refreshing operation in a dram type of semiconductor memory device Shinji Sakuragi 1996-10-15