Inventor · disambiguated record
Tsutomu Ushioda
Also filed as: USHIODA TSUTOMU
18 granted patents·2 pending applications·501 citations·filing 1997–2007
95Inventor score
Top patents by PatentIndex Score
20 records- 0194US5874505APolypropylene compositionCHISSO CORP·Filed 1997·Granted Feb 23, 1999·105 cites·13 claims
- 0287US6479646B1Metallocene compounds having indenyl ligand and catalysts for olefin polymerization containing the sameCHISSO CORP·Filed 2000·Granted Nov 12, 2002·30 cites·20 claims
- 0386US6995279B2Metallocene compounds, processes for the production of olefin polymers using catalysts containing the compounds, and olefin polymers produced by the processesCHISSO PETROCHEMICAL CORP·Filed 2003·Granted Feb 7, 2006·19 cites·2 claims
- 0486US6388040B1Propylene/ethylene/α-olefin terpolymers and processes for the production thereofCHISSO CORP·Filed 1999·Granted May 14, 2002·94 cites·12 claims
- 0582US6326432B1Polypropylene compositionCHISSO CORP·Filed 1998·Granted Dec 4, 2001·46 cites·11 claims
- 0680US6846943B2Metallocene compound, olefin polymerization catalyst containing the compound, and method for producing an olefin polymer by use of the catalystCHISSO CORP·Filed 2001·Granted Jan 25, 2005·19 cites·9 claims
- 0777US6303698B1Propylene copolymer and process for the production thereofCHISSO CORP·Filed 1998·Granted Oct 16, 2001·33 cites·20 claims
- 0876US6365689B1Propylene/ethylene random copolymer, molding material, and molded articleCHISSO CORP·Filed 1998·Granted Apr 2, 2002·33 cites·20 claims
- 0976US6303696B1Propylene (co)polymer composition using metallocene catalystCHISSO CORP·Filed 1998·Granted Oct 16, 2001·29 cites·12 claims
- 1065US6344528B1Catalyst for olefin (CO) polymerization and process for the production of olefin (CO) polymersCHISSO CORP·Filed 2000·Granted Feb 5, 2002·7 cites·2 claims
- 1161US6635733B2Elastomeric polypropyleneCHISSO CORP·Filed 2001·Granted Oct 21, 2003·18 cites·17 claims
- 1261US6441111B1Polydisperse propylene polymer and process for producing the sameCHISSO CORP·Filed 1998·Granted Aug 27, 2002·16 cites·3 claims
- 1358US6410662B1Process for the preparation of olefin (co) polymers, olefin copolymers, and application thereofCHISSO CORP·Filed 1998·Granted Jun 25, 2002·25 cites·24 claims
- 1457US6515037B2Polypropylene base resin composition for foam-molding, foamed article using the same composition, production process for the same foamed article and foam-molded product using the foamed-articleCHISSO CORP·Filed 2001·Granted Feb 4, 2003·4 cites·8 claims
- 1549US7019157B2Metallocene compounds, production process for olefin polymers using catalysts containing them and olefin polymers produced by the production processCHISSO PETROCHEMICAL CORP·Filed 2002·Granted Mar 28, 2006·9 cites·3 claims
- 1646US7906599B2Transition metal compound, catalyst for olefin polymerization containing the same, and method for producing propylene/ethylene-α-olefin block copolymer by using the catalystJAPAN POLYPROPYLENE CORP·Filed 2007·Granted Mar 15, 2011·0 cites·15 claims
- 1743US6337372B1Propylene/propylene/olefin block copolymer and process for producing the sameCHISSO CORP·Filed 1999·Granted Jan 8, 2002·6 cites·16 claims
- 1839US6153710APreactivated catalyst for olefin (CO)polymer, catalyst for olefin (CO)polymerization, olefin (CO)polymer composition, and process for producing the sameCHISSO CORP·Filed 1998·Granted Nov 28, 2000·8 cites·19 claims
- 1939US2001031834A1Polypropylene compositionCHISSO CORP·Filed 2001·Application pending·0 cites
- 2026US2001031842A1Process for producing ethylene-alpha-olefin copolymersFiled 1998·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →