Inventor
YOSHIDA MASAKICHI
JP2 patents
Patents
2 patentsUS6804423B2Oct 12, 2004
Optical-electrical wiring board, mounted board and method of manufacturing optical-electrical wiring board
TOPPAN PRINTING CO LTD63 citations93
US5335315AAug 2, 1994
Method for determining a graphic area ratio of a printing plate and an apparatus therefor
TOPPAN PRINTING CO LTD11 citations65