Assignee
PLACO CO LTD
JP·2 granted patents·40 citations·filing 1987–1989
Top patents by PatentIndex Score
2 records- 0156US5037289ABlow molding mold for forming hollow double-walled product and blow molding apparatus using such moldPLACO CO LTD·Filed 1989·Granted Aug 6, 1991·18 cites·13 claims
- 0255US4738612APivotable blow-molding apparatus for molding hollow articles of synthetic resinPLACO CO LTD·Filed 1987·Granted Apr 19, 1988·22 cites·10 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →