Inventor

SUGIYAMA TSUNETOSHI

JP3 patents

Patents

3 patents

US5844249ADec 1, 1998

Apparatus for detecting defects of wires on a wiring board wherein optical sensor includes a film of polymer non-linear optical material

HOECHST AG35 citations91

US5757193AMay 26, 1998

Apparatus for detecting defects of wiring board

HOECHST AG45 citations90

US5652327AJul 29, 1997

Triazine polymers

HOECHST AG11 citations72