P
PatentIndex
Search
Landscape
Sign in
Inventor
TOMIZAWA KAZUTAKA
2 patents
Patents
2 patents
US4047199A
Sep 6, 1977
Semiconductor device
AGENCY IND SCIENCE TECHN
11 citations
68
US4021680A
May 3, 1977
Semiconductor device
AGENCY IND SCIENCE TECHN
2 citations
59