Inventor
SEZAKI YOSHINORI
JP6 patents
Patents
6 patentsUS4797939AJan 10, 1989
Pattern masking method and an apparatus therefor
DAINIPPON SCREEN MFG25 citations91
US5384711AJan 24, 1995
Method of and apparatus for inspecting pattern on printed board
DAINIPPON SCREEN MFG38 citations89
US5272762ADec 21, 1993
Method of and apparatus for inspecting wiring pattern on printed board
DAINIPPON SCREEN MFG9 citations72
US5272761ADec 21, 1993
Method and apparatus for inspecting line width on printed board
DAINIPPON SCREEN MFG17 citations71
US5367467ANov 22, 1994
Method of and apparatus for inspecting width of wiring line on printed board
DAINIPPON SCREEN MFG7 citations70
US5039214AAug 13, 1991
Reflection type optical apparatus
DAINIPPON SCREEN MFG15 citations69