Assignee
SAKAMURA MACHINE
JP6 patents
Top patents by PatentIndex Score
US5657663AAug 19, 1997
Multi-stage forging apparatus
SAKAMURA MACHINE21 citations92
US6332347B1Dec 25, 2001
Apparatus for full-enclosed die forging
SAKAMURA MACHINE28 citations85
US6485371B2Nov 26, 2002
Grooved nut and manufacturing method thereof
SAKAMURA MACHINE15 citations82
US5813272ASep 29, 1998
Apparatus for full enclosed die forging
SAKAMURA MACHINE16 citations66
US4966028AOct 30, 1990
Multi-stage cold forging machine
SAKAMURA MACHINE17 citations65
US5176604AJan 5, 1993
Tool replacement for a multi-stage press machine
SAKAMURA MACHINE13 citations61