Assignee
OISHI MASATOSHI
JP·1 granted patent·2 pending applications·44 citations·filing 2002–2009
Top patents by PatentIndex Score
3 records- 0191US8087333B2Method for press punching a hole in sheet metal and press dieOISHI MASATOSHI·Filed 2002·Granted Jan 3, 2012·44 cites·6 claims
- 0240US2011283852A1Sheet metal punching apparatus and method thereofOISHI MASATOSHI·Filed 2009·Application pending·0 cites
- 0335US2006107721A1Punch for punching sheet metal and apparatus for punching sheet metal having the punchOISHI MASATOSHI·Filed 2004·Application pending·0 cites
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