Inventor · disambiguated record
Hiroaki Katayama
Also filed as: KATAYAMA HIROAKI
14 granted patents·1 pending application·283 citations·filing 1991–2012
93Inventor score
Files withSUMITOMO CHEMICAL CO11KATAYAMA HIROAKI1MARUO CALCIUM1SUMITMO CHEMICAL COMPANY LTD1SUMITOMO CHEMICAL COMOANY LTD1
Top patents by PatentIndex Score
15 records- 0191US5164172AProcess for producing aragonite crystal form calcium carbonate with acicular shapeMARUO CALCIUM·Filed 1991·Granted Nov 17, 1992·65 cites·10 claims
- 0284US6329478B1Transition metal complex, process for producing the same, olefin polymerization catalyst containing the transition metal complex and process for producing olefin polymersSUMITMO CHEMICAL COMPANY LTD·Filed 1996·Granted Dec 11, 2001·86 cites·40 claims
- 0374US6333388B1Aluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 2000·Granted Dec 25, 2001·10 cites·18 claims
- 0472US6242622B1Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 1999·Granted Jun 5, 2001·22 cites·5 claims
- 0568US6066704ATransition metal complex, catalyst for olefin polymerization, and process for producing olefin polymersSUMITOMO CHEMICAL CO·Filed 1996·Granted May 23, 2000·13 cites·15 claims
- 0667US6660816B2Process for preparing olefin polymersSUMITOMO CHEMICAL CO·Filed 2001·Granted Dec 9, 2003·7 cites·3 claims
- 0757US5840646AOlefin polymerization catalyst componentSUMITOMO CHEMICAL CO·Filed 1996·Granted Nov 24, 1998·12 cites·14 claims
- 0856US6100213AAluminum compound-containing solid catalyst component, catalyst for olefin polymerization and method for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 1997·Granted Aug 8, 2000·17 cites·16 claims
- 0953US6184319B1Olefin polymer, films or sheets made therefrom, and process for the production of olefin polymerSUMITOMO CHEMICAL CO·Filed 1997·Granted Feb 6, 2001·14 cites·18 claims
- 1052US6284699B1Modified particles, catalyst for olefin polymerization containing the same, and method for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 1999·Granted Sep 4, 2001·16 cites·24 claims
- 1144US6034190AOlefin polymerization catalyst componentSUMITOMO CHEMICAL CO·Filed 1998·Granted Mar 7, 2000·6 cites·4 claims
- 1244US2014079375A1Electric heating device and electric vehicleKATAYAMA HIROAKI·Filed 2012·Application pending·0 cites
- 1341US6613850B1Method for feeding boron compounds, fine particles of boron compounds, catalyst components for the polymerization of olefins comprising them, and processes for the production of the particlesSUMITOMO CHEMICAL COMOANY LTD·Filed 1997·Granted Sep 2, 2003·6 cites·23 claims
- 1438US6482765B1Modified particles, carrier prepared therefrom, olefin polymerization catalyst component prepared therefrom, olefin polymerization catalyst prepared therefrom, and process for preparing olefin polymerSUMITOMO CHEMICAL CO·Filed 1998·Granted Nov 19, 2002·8 cites·28 claims
- 1535US6492294B2Transition metal compound, olefin polymerization catalyst component, olefin polymerization catalyst and process for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 2001·Granted Dec 10, 2002·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →