Inventor · disambiguated record
Takashi Sumitomo
Also filed as: SUMITOMO TAKASHI
21 granted patents·511 citations·filing 1988–2001
96Inventor score
Top patents by PatentIndex Score
21 records- 0190US5166238AStyrene-based resin compositionIDEMITSU KOSAN CO·Filed 1990·Granted Nov 24, 1992·65 cites·34 claims
- 0289US5270353AResin compositionIDEMITSU KOSAN CO·Filed 1991·Granted Dec 14, 1993·52 cites·6 claims
- 0389US5089353AMulti-layer material having gas barrier propertiesKURARAY CO·Filed 1989·Granted Feb 18, 1992·40 cites·26 claims
- 0486US5395890AStyrene-based resin compositionIDEMITSU KOSAN CO·Filed 1990·Granted Mar 7, 1995·34 cites·2 claims
- 0584US5109068AStyrene-based polymer composition, stretched molding thereof and process for producing the sameIDEMITSU KOSAN CO·Filed 1989·Granted Apr 28, 1992·46 cites·7 claims
- 0682US5346950AResin compositionKURARAY CO·Filed 1993·Granted Sep 13, 1994·49 cites·11 claims
- 0771US6013726AComposition of styrene resin, thermoplastic resin and rubberIDEMITSU KOSAN CO·Filed 1995·Granted Jan 11, 2000·28 cites·15 claims
- 0871US5034441AStyrene-based resin composition and process for producing molding products thereofIDEMITSU KOSAN CO·Filed 1990·Granted Jul 23, 1991·17 cites·6 claims
- 0967US5990217AStyrene based resin compositionIDEMITSU KOSAN CO·Filed 1998·Granted Nov 23, 1999·19 cites·14 claims
- 1066US6201090B1Propylene/ethylene block copolymerIDEMITSU PETROCHEMICAL CO·Filed 1999·Granted Mar 13, 2001·21 cites·10 claims
- 1166US5985973APolypropylene-based resins and polypropylene-based resin compositionsIDEMITSU PETROCHEMICAL CO·Filed 1997·Granted Nov 16, 1999·24 cites·6 claims
- 1261US5322869AStyrene-based resin composition and process for production of moldingsIDEMITSU KOSAN CO·Filed 1991·Granted Jun 21, 1994·11 cites·9 claims
- 1360US6087435AComposition of styrene resin, thermoplastic resin and rubber particlesIDEMITSU KOSAN CO·Filed 1995·Granted Jul 11, 2000·18 cites·40 claims
- 1459US6046275AStyrene resin with rubber polymer particlesIDEMITSU KOSAN CO·Filed 1995·Granted Apr 4, 2000·17 cites·12 claims
- 1557US4937272AExpanded thermoplastic resinous materials and process for production thereofIDEMITSU KOSAN CO·Filed 1988·Granted Jun 26, 1990·13 cites·15 claims
- 1656US5891951AStyrene-based resin compositionIDEMITSU KOSAN CO·Filed 1995·Granted Apr 6, 1999·13 cites·23 claims
- 1754US6639038B2Crystalline polypropylene and its moldings and filmsIDEMITSU PETROCHEMICAL CO·Filed 2001·Granted Oct 28, 2003·3 cites·13 claims
- 1854US6008293ASyndiotactic polystyrene and polycarbonate resin compositionsIDEMITSU KOSAN CO·Filed 1995·Granted Dec 28, 1999·14 cites·8 claims
- 1953US6051655AStyrene-based resin composition with thermoplastic resinIDEMITSU KOSAN CO·Filed 1995·Granted Apr 18, 2000·10 cites·10 claims
- 2051US6093768ASyndiotactic styrene resin, thermoplastic resin and rubberIDEMITSU KOSAN CO·Filed 1995·Granted Jul 25, 2000·13 cites·22 claims
- 2138US6043307AStyrene-based resin compositionIDEMITSU KOSAN CO·Filed 1995·Granted Mar 28, 2000·4 cites·20 claims
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