Inventor
WAKATSUKI YASUHIKO
JP4 patents
Patents
4 patentsUS9180592B2Nov 10, 2015
Piston supply apparatus and piston supply method
HIRATA SPINNING2 citations57
US9643312B2May 9, 2017
Piston supply method
HIRATA SPINNING0 citations47
US9291209B2Mar 22, 2016
Rotation clamping mechanism
HIRATA SPINNING0 citations39
US7345293B2Mar 18, 2008
Device and method for inspecting piston ring
HIRATA SPINNING0 citations27