Inventor
TSUZUKI NAOBUMI
3 patents
Patents
3 patentsUS4172261AOct 23, 1979
Semiconductor device having a highly air-tight package
NIPPON ELECTRIC CO90 citations92
US4092445AMay 30, 1978
Process for forming porous semiconductor region using electrolyte without electrical source
NIPPON ELECTRIC CO41 citations87
US4067040AJan 3, 1978
Semiconductor device
NIPPON ELECTRIC CO16 citations69