Inventor
KUBOI TAKESHI
JP4 patents
Patents
4 patentsUS6517602B2Feb 11, 2003
Solder ball and method for producing same
HITACHI METALS LTD46 citations89
US5997807ADec 7, 1999
Thin plate made of an Fe-Ni alloy for electronic parts, shadow mask and cathode-ray tube with the shadow mask
HITACHI METALS LTD7 citations69
US7017754B2Mar 28, 2006
Method and apparatus for classifying fine balls and method for producing cylindrical sieve
HITACHI METALS LTD8 citations67
US6554166B2Apr 29, 2003
Apparatus for producing fine metal balls
HITACHI METALS LTD11 citations66