Assignee
PLASTIC KOGAKU KENKYUSHO KK
JP·5 granted patents·172 citations·filing 1976–1984
Top patents by PatentIndex Score
5 records- 0189US4185954ADie for extruding tubes composed of a plurality of layersPLASTIC KOGAKU KENKYUSHO KK·Filed 1977·Granted Jan 29, 1980·64 cites·1 claims
- 0283US4167383AMulti-ring diePLASTIC KOGAKU KENKYUSHO KK·Filed 1977·Granted Sep 11, 1979·45 cites·6 claims
- 0378US4669965AMulti-layer extrusion diePLASTIC KOGAKU KENKYUSHO KK·Filed 1984·Granted Jun 2, 1987·38 cites·13 claims
- 0461US4078454AScrew extruderPLASTIC KOGAKU KENKYUSHO KK·Filed 1976·Granted Mar 14, 1978·19 cites·8 claims
- 0533US4290994AMethod of molding hollow bodiesPLASTIC KOGAKU KENKYUSHO KK·Filed 1980·Granted Sep 22, 1981·6 cites·8 claims
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