Inventor · disambiguated record
Kiyokazu Katayama
Also filed as: KATAYAMA KIYOKAZU
12 granted patents·7 pending applications·63 citations·filing 1998–2022
88Inventor score
Top patents by PatentIndex Score
19 records- 0182US7737069B2Magnesium compound, catalyst for olefin polymerization and method for producing olefin polymerIDEMITSU KOSAN CO·Filed 2005·Granted Jun 15, 2010·5 cites·5 claims
- 0280US6552136B1Organosilicon compound, catalyst for olefin polymer production, and method for producing olefin polymerIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Apr 22, 2003·18 cites·14 claims
- 0376US6870022B2Process for producing α-olefin polymerIDEMITSU KOSAN CO·Filed 2001·Granted Mar 22, 2005·16 cites·17 claims
- 0467US7754640B2Magnesium compound, solid catalyst component, catalyst for ethylene polymerization and method of producing ethylene polymerIDEMITSU KOSAN CO·Filed 2006·Granted Jul 13, 2010·2 cites·9 claims
- 0566US7723254B2Magnesium compound, solid catalyst component, olefin polymerization catalyst, and method for producing olefin polymerIDEMITSU KOSAN CO·Filed 2009·Granted May 25, 2010·1 cites·12 claims
- 0661US6495639B1Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymersIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Dec 17, 2002·4 cites·3 claims
- 0760US12428607B2Lubricant compositionIDEMITSU KOSAN CO·Filed 2022·Granted Sep 30, 2025·0 cites·20 claims
- 0859US2023235202A1Plasticizer for resinsIDEMITSU KOSAN CO·Filed 2021·Application pending·0 cites
- 0957US12351765B2Saturated aliphatic hydrocarbon compound composition, lubricant composition, and method for producing saturated aliphatic hydrocarbon compound compositionIDEMITSU KOSAN CO·Filed 2020·Granted Jul 8, 2025·0 cites·19 claims
- 1057US6204215B1Solid catalyst component for olefin polymerization, catalyst for olefin polymerization, and method for producing olefin polymersIDEMITSU PETROCHEMICAL CO·Filed 1998·Granted Mar 20, 2001·11 cites·4 claims
- 1156US2024308936A1Method for producing alpha-olefin oligomer compositionIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1254US9023960B2Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil compositionKATAYAMA KIYOKAZU·Filed 2009·Granted May 5, 2015·1 cites·8 claims
- 1348US9745396B2Methods for producing α-olefin polymer and hydrogenated α-olefin polymerIDEMITSU KOSAN CO·Filed 2014·Granted Aug 29, 2017·0 cites·12 claims
- 1448US2007219326A1Magnesium Compound, Solid Catalyst Component, Olefin Polymerization Catalyst, and Method for Producing Olefin PolymerIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 1541US6331620B1Solid catalyst components for olefin polymerization, catalysts for olefin polymerization and process for producing olefin polymersIDEMITSU PETROCHEMICAL CO·Filed 1998·Granted Dec 18, 2001·5 cites·7 claims
- 1639US2014256997A11-octene, 1-decene, 1-dodecene ternary copolymer and lubricant composition containing sameSHIMIZU HITOMI·Filed 2012·Application pending·0 cites
- 1737US2014309151A11-octene/1-decene copolymer and lubricating-oil composition containing sameSHIMIZU HITOMI·Filed 2012·Application pending·0 cites
- 1837US2014235909A11-decene/1-dodecene copolymer and lubricating-oil composition containing sameSHIMIZU HITOMI·Filed 2012·Application pending·0 cites
- 1931US2012302481A1Alpha-olefin (co)polymer, hydrogenated alpha-olefin (co)polymer and lubricating oil composition containing the sameKATAYAMA KIYOKAZU·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →