Inventor

OKA NORIAKI

JP3 patents

Patents

3 patents

US6022797AFeb 8, 2000

Method of manufacturing through holes in a semiconductor device

HITACHI LTD62 citations93

US5892276AApr 6, 1999

Semiconductor integrated circuit

HITACHI LTD42 citations90

US5986294ANov 16, 1999

Semiconductor integrated circuit

HITACHI LTD14 citations71