P

Inventor

SAITO JUNJI

JP64 patents
⚠️ This page may combine multiple inventors who share the name “SAITO JUNJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MITSUI CHEMICALS INC

20 patents
US6309997B1Oct 30, 2001

Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers

MITSUI CHEMICALS INC186 citations98
US7300903B2Nov 27, 2007

Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers

MITSUI CHEMICALS INC56 citations96
US6875718B2Apr 5, 2005

Olefin polymerization catalysts, transition metal compounds, processes for olefin polymerization, and α-olefin/conjugated diene copolymers

MITSUI CHEMICALS INC40 citations96
US6462136B1Oct 8, 2002

Ethylene copolymer and process for producing the same, resin composition containing the copolymer, and uses of these

MITSUI CHEMICALS INC56 citations96
US5959046ASep 28, 1999

Processes for producing propylene polymer utilizing bis (1-(4-isopropyl-7-methyl-indenyl) zirconium halide-base catalyst components

MITSUI CHEMICALS INC55 citations96
US7109284B2Sep 19, 2006

Olefin polymerization catalyst, process for polymerizing olefins, ethylene polymer obtained by said process and use thereof

MITSUI CHEMICALS INC22 citations92
US6838540B2Jan 4, 2005

Olefin polymer and production processes thereof

MITSUI CHEMICALS INC33 citations92
US6770723B2Aug 3, 2004

α-olefin/conjugated diene copolymers

MITSUI CHEMICALS INC28 citations92
US6255419B1Jul 3, 2001

Olefin polymerization catalyst and process for producing olefin polymers

MITSUI CHEMICALS INC45 citations92
US6156844ADec 5, 2000

Propylene polymer compositions containing a propylene homo- or co-polymer obtained using a bridged metallocene catalyst and another propylene homo- or co-polymer

MITSUI CHEMICALS INC36 citations92
US6897176B2May 24, 2005

Olefin polymerization catalyst and process for producing olefin polymer with the catalyst

MITSUI CHEMICALS INC20 citations91
US7009014B2Mar 7, 2006

Process for the polymerization olefins

MITSUI CHEMICALS INC14 citations84
US7601423B2Oct 13, 2009

Ethylene-based polymer microparticles, functional group-containing ethylene-based polymer microparticles, and catalyst carriers for manufacture thereof

MITSUI CHEMICALS INC11 citations83
US7452946B2Nov 18, 2008

Ethylene polymer

MITSUI CHEMICALS INC15 citations83
US7687579B2Mar 30, 2010

Ethylene (co) polymer and its use

MITSUI CHEMICALS INC5 citations73
US6962890B2Nov 8, 2005

Olefin polymerization catalyst and process for olefin polymerization using the olefin polymerization catalyst

MITSUI CHEMICALS INC9 citations73
US6930152B2Aug 16, 2005

Propylene polymer compositions

MITSUI CHEMICALS INC5 citations73
US7067587B2Jun 27, 2006

Polyolefin macromonomer, graft polymer obtained from the polyolefin macromonomer, and use thereof

MITSUI CHEMICALS INC7 citations72
US10662321B2May 26, 2020

Cyclic olefin copolymer composition and cross-linked product thereof

MITSUI CHEMICALS INC2 citations68
US6995229B2Feb 7, 2006

Polymer and process for producing the same

MITSUI CHEMICALS INC4 citations63

MITSUI PETROCHEMICAL IND

10 patents
US5767033AJun 16, 1998

Transition metal compound and olefin polymerization catalyst component comprising said compound

MITSUI PETROCHEMICAL IND50 citations96
US5739366AApr 14, 1998

Transition metal compound containing substituted indenyl rings

MITSUI PETROCHEMICAL IND54 citations96
US5723640AMar 3, 1998

Transition metal compound having indenyl-containing metallocene

MITSUI PETROCHEMICAL IND52 citations96
US5710223AJan 20, 1998

Process for polymerizing propylene by using a novel metallocene catalyst

MITSUI PETROCHEMICAL IND59 citations96
US5658997AAug 19, 1997

Process for polymerizing propylene by using a novel metallocene catalyst

MITSUI PETROCHEMICAL IND51 citations96
US5629254AMay 13, 1997

Substituted indenyl ring containing metallocene catalyst for propylene polymerization process

MITSUI PETROCHEMICAL IND59 citations96
US5616663AApr 1, 1997

Transition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerization

MITSUI PETROCHEMICAL IND31 citations93
US6034189AMar 7, 2000

Solid titanium catalyst component for olefin polymerization, process for preparation of the same, olefin polymerization catalyst and process for olefin polymerization

MITSUI PETROCHEMICAL IND25 citations92
US5859272AJan 12, 1999

Transition metal compound, olefin polymerization catalyst component comprising the transition metal compound, olefin polymerization catalyst comprising the olefin polymerization catalyst component, and process for olefin polymerization

MITSUI PETROCHEMICAL IND6 citations74
US5409874AApr 25, 1995

Catalyst for olefin polymerization, process for the polymerization of olefin, and transition metal compound employable for the catalyst

MITSUI PETROCHEMICAL IND12 citations74

MITSUBISHI CHEM IND

8 patents

FUJITSU LTD

7 patents

TSUCHIDA KAZUHITO

2 patents

SONY CORP

1 patent

MUTSUI CHEMICALS INC

1 patent

ASAHI GLASS CO LTD

1 patent

Showing the top 50 of 64 patents by PatentIndex Score.