Inventor
OBA YUKINORI
JP3 patents
Patents
3 patentsUS9511406B2Dec 6, 2016
Method of producing iron core
MITSUI HIGH TEC INC1 citations47
US9511405B2Dec 6, 2016
Method of producing iron core and apparatus for producing iron core
MITSUI HIGH TEC INC1 citations47
US9539799B2Jan 10, 2017
Manufacturing method for laminated core and manufacturing apparatus therefor
MITSUI HIGH TEC INC0 citations34