Inventor · disambiguated record
Tutomu Iwatani
Also filed as: IWATANI TUTOMU
13 granted patents·234 citations·filing 1989–1995
93Inventor score
Top patents by PatentIndex Score
13 records- 0184US6121394AMetallocene-catalyzed olefin polymerization in the absence of aluminoxaneMITSUI CHEMICALS INC·Filed 1995·Granted Sep 19, 2000·53 cites·8 claims
- 0284US5476709APolymeric insulating material and formed article making use of the materialMITSUI TOATSU CHEMICALS·Filed 1993·Granted Dec 19, 1995·51 cites·10 claims
- 0372US6255425B1Syndiotactic polypropylene copolymer and extruded polypropylene articlesMITSUI CHEMICALS INC·Filed 1994·Granted Jul 3, 2001·22 cites·16 claims
- 0465US5573840APolymeric insulating material and formed article making use of the materialMITSUI TOATSU CHEMICALS·Filed 1995·Granted Nov 12, 1996·19 cites·15 claims
- 0561US5266641AButene-1 copolymers and resin compositions containing the sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Nov 30, 1993·14 cites·4 claims
- 0661US5212247APolypropylene resin compositions of high syndiotacticity and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1990·Granted May 18, 1993·19 cites·1 claims
- 0759US5219968APropylene copolymerMITSUI TOATSU CHEMICALS·Filed 1991·Granted Jun 15, 1993·13 cites·10 claims
- 0855US5314956APolypropylene resin compositions of high syndiotacticity and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1993·Granted May 24, 1994·11 cites·1 claims
- 0954US5428127APreparation process of syndiotactic polypropleneMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jun 27, 1995·9 cites·7 claims
- 1051US5175208AMethod for preparing block copolymers of propyleneMITSUI TOATSU CHEMICALS·Filed 1989·Granted Dec 29, 1992·8 cites·3 claims
- 1142US5169924ACopolymer of propylene and butene-1MITSUI TOATSU CHEMICALS·Filed 1990·Granted Dec 8, 1992·8 cites·2 claims
- 1240US5157092APolymer of 4-methylpentene-1MITSUI TOATSU CHEMICALS·Filed 1990·Granted Oct 20, 1992·5 cites·7 claims
- 1331US5206324AButene-1 copolymer and resin composition containing the sameMITSUI TOATSU CHEMICALS·Filed 1990·Granted Apr 27, 1993·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →