Inventor · disambiguated record
Kiyohiko Yokota
Also filed as: YOKOTA KIYOHIKO
15 granted patents·7 pending applications·128 citations·filing 1993–2022
91Inventor score
Top patents by PatentIndex Score
22 records- 0185US5854165ATransition metal compound, catalyst for olefin polymerization, process for preparing olefin polymer by use of catalystIDEMITSU KOSAN CO·Filed 1994·Granted Dec 29, 1998·54 cites·44 claims
- 0282US12071492B2Styrene resin, styrene resin composition, molded article thereof, and styrene resin production methodIDEMITSU KOSAN CO·Filed 2022·Granted Aug 27, 2024·0 cites·18 claims
- 0378US6339135B1Transition metal compound, catalyst for olefin polymerization, process for preparing olefin polymerIDEMITSU KOSAN CO·Filed 1996·Granted Jan 15, 2002·37 cites·15 claims
- 0475US7402610B2Carbonyl compound containing long-chain branched alkyl groupIDEMITSU KOSAN CO·Filed 2005·Granted Jul 22, 2008·2 cites·16 claims
- 0574US8119850B2Process for producing unsaturated hydrocarbon compoundFUJIKAWA SHINJIRO·Filed 2006·Granted Feb 21, 2012·6 cites·10 claims
- 0673US6171994B1Multiple crosslinking type transition metal compound used for olefin polymerization processIDEMITSU KOSAN CO·Filed 1998·Granted Jan 9, 2001·12 cites·12 claims
- 0771US11180584B2Method for producing styrene resin and styrene resin molded articleIDEMITSU KOSAN CO·Filed 2018·Granted Nov 23, 2021·0 cites·18 claims
- 0860US12428607B2Lubricant compositionIDEMITSU KOSAN CO·Filed 2022·Granted Sep 30, 2025·0 cites·20 claims
- 0960US6838409B1Catalyst for olefin/styrene copolymerization, and process for producing olefin/styrene copolymerIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Jan 4, 2005·5 cites·26 claims
- 1057US12351765B2Saturated 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
- 1157US6696527B1Olefin copolymers and films and sheetsIDEMITSU PETROCHEMICAL CO·Filed 2000·Granted Feb 24, 2004·2 cites·10 claims
- 1256US12084537B2Petroleum resin, hydrogenated petroleum resin, and production method for hydrogenated petroleum resinIDEMITSU KOSAN CO·Filed 2019·Granted Sep 10, 2024·0 cites·5 claims
- 1356US2024308936A1Method for producing alpha-olefin oligomer compositionIDEMITSU KOSAN CO·Filed 2022·Application pending·0 cites
- 1455US2013225892A1Process for producing unsaturated hydrocarbon compoundIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 1554US9023960B2Process for producing α-olefin polymer, α-olefin polymer, and lubricating oil compositionKATAYAMA KIYOKAZU·Filed 2009·Granted May 5, 2015·1 cites·8 claims
- 1651US6939929B2Alpha-olefin-aromatic vinyl copolymerIDEMITSU KOSAN CO·Filed 2001·Granted Sep 6, 2005·3 cites·17 claims
- 1750US2012088946A1Process for producing unsaturated hydrocarbon compoundFUJIKAWA SHINJIRO·Filed 2011·Application pending·0 cites
- 1845US2011207977A1Method for producing a-olefin oligomer, a-olefin oligomer, and lubricating oil compositionIDEMITSU KOSAN CO·Filed 2009·Application pending·0 cites
- 1944US6107232APolymerization catalyst and process for preparing polymer by use of sameIDEMITSU KOSAN CO·Filed 1993·Granted Aug 22, 2000·6 cites·19 claims
- 2037US2009069614A1Method for producing unsaturated hydrocarbon compoundIDEMITSU KOSAN CO·Filed 2006·Application pending·0 cites
- 2136US2002137859A1Process for producing alpha-olefin/aromatic vinyl copolymerFiled 2001·Application pending·0 cites
- 2234US2004097366A1Polyolefin-based composite resin, method for production thereof, catalyst for polymerization of vinly compound and method for polymerization of vinly compound using the sameFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →