Inventor · disambiguated record
Kazuaki Sakakura
Also filed as: SAKAKURA KAZUAKI
7 granted patents·288 citations·filing 1977–1994
89Inventor score
Files withSUMITOMO CHEMICAL CO7
Top patents by PatentIndex Score
7 records- 0191US4146562AExtrusion coating method with polyolefin foamSUMITOMO CHEMICAL CO·Filed 1977·Granted Mar 27, 1979·67 cites·6 claims
- 0288US4522955AHighly foamed polypropylene product and an extrusion process for forming the productSUMITOMO CHEMICAL CO·Filed 1982·Granted Jun 11, 1985·44 cites·6 claims
- 0382US5061042APhase retarder and liquid crystal display using the sameSUMITOMO CHEMICAL CO·Filed 1991·Granted Oct 29, 1991·70 cites·15 claims
- 0474US5244713AOptical filmSUMITOMO CHEMICAL CO·Filed 1992·Granted Sep 14, 1993·34 cites·26 claims
- 0573US5472538AProcess for producing phase retarder filmSUMITOMO CHEMICAL CO·Filed 1994·Granted Dec 5, 1995·39 cites·14 claims
- 0668US5285303APhase retarder and process for producing the sameSUMITOMO CHEMICAL CO·Filed 1991·Granted Feb 8, 1994·28 cites·3 claims
- 0736US4767303AExtruding apparatus for extruding synthetic resinSUMITOMO CHEMICAL CO·Filed 1987·Granted Aug 30, 1988·6 cites·24 claims
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