Inventor · disambiguated record
Yoichi Obata
Also filed as: OBATA YOICHI
10 granted patents·4 pending applications·148 citations·filing 1994–2007
90Inventor score
Files withSUMITOMO CHEMICAL CO14
Top patents by PatentIndex Score
14 records- 0192US6337377B1Process for producing olefin polymers, olefin-polymerizing catalyst and polyproylene for biaxially oriented film produced with said catalystSUMITOMO CHEMICAL CO·Filed 2000·Granted Jan 8, 2002·38 cites·12 claims
- 0282US6639018B2Polypropylene resin composition and process for producing the sameSUMITOMO CHEMICAL CO·Filed 2002·Granted Oct 28, 2003·23 cites·6 claims
- 0380US6127303AProcess for producing olefin polymers, olefin-polymerizing catalyst and polypropylene for biaxially oriented film produced with said catalystSUMITOMO CHEMICAL CO·Filed 1997·Granted Oct 3, 2000·35 cites·10 claims
- 0478US7323252B2Biaxially oriented multilayer polypropylene filmSUMITOMO CHEMICAL CO·Filed 2005·Granted Jan 29, 2008·4 cites·1 claims
- 0559US6812287B2Propylene-based resin composition and heat-shrinkable filmSUMITOMO CHEMICAL CO·Filed 2003·Granted Nov 2, 2004·4 cites·6 claims
- 0656US6699574B2Polypropylene-based resin composition for stretched film, process for producing the same and stretched filmSUMITOMO CHEMICAL CO·Filed 2002·Granted Mar 2, 2004·3 cites·4 claims
- 0754US5773129APolypropylene laminated filmSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 30, 1998·23 cites·28 claims
- 0850US2007238834A1Polypropylene compositionSUMITOMO CHEMICAL CO·Filed 2007·Application pending·0 cites
- 0946US2005187367A1Biaxially oriented polypropylene filmSUMITOMO CHEMICAL CO·Filed 2005·Application pending·0 cites
- 1044US2004010087A1Polypropylene resin composition and heat-shrinkable film obtained from the sameSUMITOMO CHEMICAL CO·Filed 2003·Application pending·0 cites
- 1142US5635557APolypropylene composition and stretched film thereofSUMITOMO CHEMICAL CO·Filed 1994·Granted Jun 3, 1997·5 cites·20 claims
- 1242US2002198318A1Polypropylene-based resin composition, process for producing the same and stretched film containing the sameSUMITOMO CHEMICAL CO·Filed 2002·Application pending·0 cites
- 1341US6001293AProcess for producing polypropylene laminated filmSUMITOMO CHEMICAL CO·Filed 1998·Granted Dec 14, 1999·8 cites·7 claims
- 1437US6103841Aα-olefin polymers, α-olefin-polymerizing catalyst and process for producing α-olefin polymersSUMITOMO CHEMICAL CO·Filed 1997·Granted Aug 15, 2000·5 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →