Inventor · disambiguated record
Yasushi Tohi
Also filed as: TOHI YASUSHI · TSUTSUI TOSHIYUKI
32 granted patents·5 pending applications·735 citations·filing 1996–2018
98Inventor score
Top patents by PatentIndex Score
37 records- 0198US7300903B2Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 2005·Granted Nov 27, 2007·56 cites·20 claims
- 0298US6309997B1Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 1998·Granted Oct 30, 2001·186 cites·15 claims
- 0397US7449533B2Metallocene compound, process for preparing metallocene compound, olefin polymerization catalyst, process for preparing polyolefin, and polyolefinMITSUI CHEMICALS INC·Filed 2005·Granted Nov 11, 2008·39 cites·3 claims
- 0496US10435494B2Ethylene/α-olefin/non-conjugated polyene copolymer, and production process and use thereofMITSUI CHEMICALS INC·Filed 2018·Granted Oct 8, 2019·8 cites·14 claims
- 0594US6875718B2Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 2001·Granted Apr 5, 2005·40 cites·15 claims
- 0692US8785574B2Bridged metallocene compound, olefin polymerization catalyst containing the same, and ethylene polymer obtained with the catalystMITSUI CHEMICALS INC·Filed 2013·Granted Jul 22, 2014·12 cites·12 claims
- 0792US6939928B1Metallocene compound, process for producing metallocene compound, olefin polymerization catalyst, process for producing polyolefin, and polyolefinMITSUI CHEMICALS INC·Filed 2000·Granted Sep 6, 2005·101 cites·14 claims
- 0891US10131726B2Ethylene/α-olefin/non-conjugated polyene copolymer, and production process and use thereofMITSUI CHECMICALS INC·Filed 2015·Granted Nov 20, 2018·9 cites·27 claims
- 0991US6770723B2α-olefin/conjugated diene copolymersMITSUI CHEMICALS INC·Filed 2001·Granted Aug 3, 2004·28 cites·8 claims
- 1090US7795194B2Synthetic lubricating oil and lubricating oil compositionMITSUI CHEMICALS INC·Filed 2005·Granted Sep 14, 2010·26 cites·3 claims
- 1187US8129489B2Ethylene polymer and use thereofOKAMOTO MASAHIKO·Filed 2005·Granted Mar 6, 2012·15 cites·5 claims
- 1287US7393965B2Crosslinked metallocene compound for olefin polymerization and method of polymerizing olefin with the sameMITSUI CHEMICALS INC·Filed 2003·Granted Jul 1, 2008·29 cites·16 claims
- 1384US7847040B2α-olefin-based polymer composition, molded product formed from the composition, and novel polymerMITSUI CHEMICALS INC·Filed 2005·Granted Dec 7, 2010·7 cites·7 claims
- 1484US7081493B2Automotive part made of polypropylene resin compositionMITSUI CHEMICALS INC·Filed 2002·Granted Jul 25, 2006·23 cites·8 claims
- 1579US7741419B2Process for producing olefin polymersMITSUI CHEMICALS INC·Filed 2005·Granted Jun 22, 2010·4 cites·3 claims
- 1679US7619030B2Automobile part of polypropylene resin compositionMITSUI CHEMICALS INC·Filed 2006·Granted Nov 17, 2009·4 cites·3 claims
- 1777US9382356B2Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of thoseTOHI YASUSHI·Filed 2007·Granted Jul 5, 2016·5 cites·13 claims
- 1877US7452946B2Ethylene polymerMITSUI CHEMICALS INC·Filed 2004·Granted Nov 18, 2008·15 cites·5 claims
- 1977US6369177B1Catalyst for olefin polymerization and method of polymerizing olefinMITSUI CHEMICALS INC·Filed 1999·Granted Apr 9, 2002·34 cites·10 claims
- 2077US6004897AOlefin polymerization catalyst, process for preparing olefin polymer, and olefin polymerMITSUI CHEMICALS INC·Filed 1996·Granted Dec 21, 1999·32 cites·7 claims
- 2176US9340628B2Process for producing olefin polymerMITSUI CHEMICALS INC·Filed 2013·Granted May 17, 2016·3 cites·5 claims
- 2276US8802779B2Propylene-based polymer composition, use thereof, and method for producing thermoplastic polymer compositionOKAMOTO MASAHIKO·Filed 2006·Granted Aug 12, 2014·4 cites·10 claims
- 2376US7241848B2Process for preparing low molecular weight olefin (CO)polymer and polymerization catalyst used thereforMITSUI CHEMICALS INC·Filed 2003·Granted Jul 10, 2007·8 cites·7 claims
- 2474US8017705B2Process for production of syndiotactic propylene polymerMITSUI CHEMICALS INC·Filed 2007·Granted Sep 13, 2011·4 cites·13 claims
- 2573US7700708B2Ethylene polymer and application thereof to moldingsMITSUI CHEMICALS INC·Filed 2004·Granted Apr 20, 2010·12 cites·14 claims
- 2670US8604140B2Method for preventing fouling in chemical equipment and antifouling agentNAGAI NAOSHI·Filed 2010·Granted Dec 10, 2013·3 cites·11 claims
- 2763US8445609B2Method for producing olefin polymerTOHI YASUSHI·Filed 2010·Granted May 21, 2013·1 cites·11 claims
- 2859US2016280819A1Catalyst for olefin polymerization, method for producing olefin polymer, method for producing propylene-based copolymer, propylene polymer, propylene-based polymer composition, and use of thoseMITSUI CHEMICALS INC·Filed 2016·Application pending·0 cites
- 2956US7879960B2Process for producing propylene polymerMITSUI CHEMICALS INC·Filed 2005·Granted Feb 1, 2011·5 cites·2 claims
- 3056US2007184225A1Polypropylene based monolayer film and use thereofMITSUI CHEMICALS INC·Filed 2006·Application pending·0 cites
- 3153US2008171651A1Process for preparing low molecular weight olefin (CO) polymer and polymerization catalyst used thereofMITSUI CHEMICALS INC·Filed 2007·Application pending·0 cites
- 3247US6297333B1Olefin polymerization catalyst, process for preparing olefin polymer, and olefin polymerMITSUI CHEMICALS INC·Filed 1999·Granted Oct 2, 2001·7 cites·11 claims
- 3346USRE42957EProcess for producing olefin polymersTOHI YASUSHI·Filed 2005·Granted Nov 22, 2011·2 cites·3 claims
- 3446US6444603B1Catalyst component for ethylenically unsaturated monomer polymerization, catalyst for ethylenically unsaturated monomer polymerization, and process for ethylenically unsaturated monomer polymerization using said catalystMITSUI CHEMICALS INC·Filed 1998·Granted Sep 3, 2002·7 cites·14 claims
- 3544US6313243B1Catalyst for olefin polymerization and method of polymerizing olefinMITSUI CHEMICALS INC·Filed 1999·Granted Nov 6, 2001·6 cites·7 claims
- 3644US2009270580A1Ethylene Polymer, and Thermoplastic Resin Composition Comprising the Same, and Molded Product Obtained TherefromPRIME POLYMER CO LTD·Filed 2006·Application pending·0 cites
- 3739US2012135903A1Lubricating oil compositionABE SHOTA·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →