Inventor
MURATA TETSUJI
JP3 patents
Patents
3 patentsUS8104369B2Jan 31, 2012
Hollow rack, hollow rack end diameter reducing method, hollow rack end diameter reducing apparatus, and hollow rack manufacturing method
YAMAWAKI TAKASHI7 citations80
US8595936B2Dec 3, 2013
Hollow rack end diameter reducing method
YAMAWAKI TAKASHI1 citations59
US8499660B2Aug 6, 2013
Hollow rack and hollow rack manufacturing method
YAMAWAKI TAKASHI0 citations48