YK

Yutaka Kumagai

OC Oki Electric Industry Co.: 2 patents #947 of 2,807Top 35%
Overall (All Time): #2,342,871 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4667330 Semiconductor memory device 1987-05-19
4615030 Semiconductor memory device with self correction circuit 1986-09-30