Inventor
NAGANO YOSHINARI
JP5 patents
Patents
5 patentsUS5662822ASep 2, 1997
Dam bar cutting apparatus and dam bar cutting method
HITACHI CONSTRUCTION MACHINERY99 citations95
US5632083AMay 27, 1997
Lead frame fabricating method and lead frame fabricating apparatus
HITACHI CONSTRUCTION MACHINERY80 citations94
US5763853AJun 9, 1998
Laser processing apparatus, laser processing method and dam bar processing method
HITACHI CONSTRUCTION MACHINERY24 citations91
US5580466ADec 3, 1996
Metal plate processing method, lead frame processing method, lead frame, semiconductor device manufacturing method, and semiconductor device
HITACHI CONSTRUCTION MACHINERY37 citations91
US5548890AAug 27, 1996
Lead frame processing method
HITACHI CONSTRUCTION MACHINERY37 citations91