Inventor
NITABARU MASATOSHI
JP16 patents
⚠️ This page may combine multiple inventors who share the name “NITABARU MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI CHEMICALS INC
8 patentsUS6309997B1Oct 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
US6770723B2Aug 3, 2004
α-olefin/conjugated diene copolymers
MITSUI CHEMICALS INC28 citations92
US6593266B1Jul 15, 2003
Olefin polymerization catalyst and polymerization process
MITSUI CHEMICALS INC42 citations92
US6399724B1Jun 4, 2002
Catalyst for olefin polymerization and method of polymerizing olefin
MITSUI CHEMICALS INC41 citations92
US6451728B1Sep 17, 2002
Olefin polymerization catalyst and process for olefin polymerization
MITSUI CHEMICALS INC20 citations84
US6962890B2Nov 8, 2005
Olefin polymerization catalyst and process for olefin polymerization using the olefin polymerization catalyst
MITSUI CHEMICALS INC9 citations73
MITSUI PETROCHEMICAL IND
8 patentsUS5723640AMar 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
US5360921ANov 1, 1994
Process for preparing cyclopentadienyl group-containing silicon compound or cyclopentadienyl group-containing germanium compound
MITSUI PETROCHEMICAL IND5 citations62
US4835325AMay 30, 1989
Process for producing hydroxybenzenes
MITSUI PETROCHEMICAL IND3 citations60
US4783557ANov 8, 1988
Processes for preparing hydroxynaphthalenes
MITSUI PETROCHEMICAL IND3 citations58
US5210065AMay 11, 1993
Color-forming recording material
MITSUI PETROCHEMICAL IND1 citations48