Inventor
USHIODA TSUTOMU
JP18 patents
⚠️ This page may combine multiple inventors who share the name “USHIODA TSUTOMU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHISSO CORP
15 patentsUS6388040B1May 14, 2002
Propylene/ethylene/α-olefin terpolymers and processes for the production thereof
CHISSO CORP94 citations97
US5874505AFeb 23, 1999
Polypropylene composition
CHISSO CORP105 citations96
US6479646B1Nov 12, 2002
Metallocene compounds having indenyl ligand and catalysts for olefin polymerization containing the same
CHISSO CORP30 citations92
US6326432B1Dec 4, 2001
Polypropylene composition
CHISSO CORP46 citations92
US6303698B1Oct 16, 2001
Propylene copolymer and process for the production thereof
CHISSO CORP33 citations92
US6303696B1Oct 16, 2001
Propylene (co)polymer composition using metallocene catalyst
CHISSO CORP29 citations92
US6410662B1Jun 25, 2002
Process for the preparation of olefin (co) polymers, olefin copolymers, and application thereof
CHISSO CORP25 citations91
US6365689B1Apr 2, 2002
Propylene/ethylene random copolymer, molding material, and molded article
CHISSO CORP33 citations91
US6846943B2Jan 25, 2005
Metallocene compound, olefin polymerization catalyst containing the compound, and method for producing an olefin polymer by use of the catalyst
CHISSO CORP19 citations83
US6441111B1Aug 27, 2002
Polydisperse propylene polymer and process for producing the same
CHISSO CORP16 citations83
US6635733B2Oct 21, 2003
Elastomeric polypropylene
CHISSO CORP18 citations82
US6344528B1Feb 5, 2002
Catalyst for olefin (CO) polymerization and process for the production of olefin (CO) polymers
CHISSO CORP7 citations73
US6153710ANov 28, 2000
Preactivated catalyst for olefin (CO)polymer, catalyst for olefin (CO)polymerization, olefin (CO)polymer composition, and process for producing the same
CHISSO CORP8 citations73
US6515037B2Feb 4, 2003
Polypropylene 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-article
CHISSO CORP4 citations62
US6337372B1Jan 8, 2002
Propylene/propylene/olefin block copolymer and process for producing the same
CHISSO CORP6 citations62
CHISSO PETROCHEMICAL CORP
2 patentsUS6995279B2Feb 7, 2006
Metallocene compounds, processes for the production of olefin polymers using catalysts containing the compounds, and olefin polymers produced by the processes
CHISSO PETROCHEMICAL CORP19 citations84
US7019157B2Mar 28, 2006
Metallocene compounds, production process for olefin polymers using catalysts containing them and olefin polymers produced by the production process
CHISSO PETROCHEMICAL CORP9 citations73