Inventor · disambiguated record
Tadashi Asanuma
Also filed as: ASANUMA TADASHI · ITO AKIRA
67 granted patents·1 pending application·1,184 citations·filing 1978–2004
99Inventor score
Top patents by PatentIndex Score
68 records- 0193US5200439AMethod for increasing intrinsic viscosity of syndiotactic polypropyleneMITSUI TOATSU CHEMICALS·Filed 1991·Granted Apr 6, 1993·82 cites·18 claims
- 0291US5340848ARadiation-resistant polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1993·Granted Aug 23, 1994·35 cites·13 claims
- 0387US6197894B1Preparation of hydrogenated product of cyclic olefin ring-opening metathesis polymerMITSUI CHEMICALS INC·Filed 1998·Granted Mar 6, 2001·57 cites·5 claims
- 0486US5840389ATransparent impact-resistant molded articlesMITSUI CHEMICALS INC·Filed 1997·Granted Nov 24, 1998·54 cites·11 claims
- 0585US4632976AProcess for the continuous discharge of a slurryMITSUI TOATSU CHEMICALS·Filed 1985·Granted Dec 30, 1986·44 cites·4 claims
- 0684US6121394AMetallocene-catalyzed olefin polymerization in the absence of aluminoxaneMITSUI CHEMICALS INC·Filed 1995·Granted Sep 19, 2000·53 cites·8 claims
- 0784US5374685ASyndiotactic propylene copolymer, method for preparing same, and its useMITSUI TOATSU CHEMICALS·Filed 1994·Granted Dec 20, 1994·30 cites·13 claims
- 0884US5187250APoly-α-olefinsMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 16, 1993·48 cites·8 claims
- 0982US5591817AMolded articles of syndiotactic polypropylene and method for preparing sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jan 7, 1997·45 cites·4 claims
- 1081US5278216ASyndiotactic polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1992·Granted Jan 11, 1994·37 cites·14 claims
- 1180US5354839APolyimide and preparation process of sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Oct 11, 1994·23 cites·28 claims
- 1278US5232992AMolded articles of syndiotactic polypropylene and method for preparing sameMITSUI TOATSU CHEMICALS·Filed 1990·Granted Aug 3, 1993·22 cites·23 claims
- 1377US5548008ARadiation-resistant polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 20, 1996·43 cites·10 claims
- 1476US5373059ASyndiotactic propylene copolymer, method for preparing same, and its useMITSUI TOATSU CHEMICALS·Filed 1994·Granted Dec 13, 1994·30 cites·5 claims
- 1574US5478646APolypropylene fiber and a preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1993·Granted Dec 26, 1995·17 cites·8 claims
- 1672US6255425B1Syndiotactic polypropylene copolymer and extruded polypropylene articlesMITSUI CHEMICALS INC·Filed 1994·Granted Jul 3, 2001·22 cites·16 claims
- 1772US5888636AMulti-layer blow molded article of polypropyleneMITSUI CHEMICALS INC·Filed 1996·Granted Mar 30, 1999·31 cites·37 claims
- 1872US4220745AProcess for polymerization of α-olefinsMITSUI TOATSU CHEMICALS·Filed 1978·Granted Sep 2, 1980·14 cites·14 claims
- 1969US5480965AReadily soluble, amorphous polyimide, and preparation process of sameMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jan 2, 1996·14 cites·32 claims
- 2069US5326824ASyndiotactic propylene copolymer, method for preparing same, and its useMITSUI TOATSU CHEMICALS·Filed 1991·Granted Jul 5, 1994·23 cites·13 claims
- 2169US5200131AMethod for molding syndiotactic polypropyleneMITSUI TOATSU CHEMICALS·Filed 1991·Granted Apr 6, 1993·24 cites·10 claims
- 2267US5548007ARadiation-resistant polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 20, 1996·18 cites·8 claims
- 2365US6063725AOlefin polymerization catalyst systemMITSUI CHEMICALS INC·Filed 1996·Granted May 16, 2000·19 cites·9 claims
- 2464US5166225AProcess for producing of crosslinked polyolefinsMITSUI TOATSU CHEMICALS·Filed 1989·Granted Nov 24, 1992·20 cites·41 claims
- 2563US4729772ASeparation method of polymer powder and carrier gasMITSUI TOATSU CHEMICALS·Filed 1986·Granted Mar 8, 1988·21 cites·4 claims
- 2663US2006167726A1Office routine work management system and office routine work management methodMITSUI CHEMICALS INC·Filed 2004·Application pending·0 cites
- 2762US5534595ASyndiotactic propylene copolymer, preparation of the same, and resin composition containing the sameMITSUI TOATSU CHEMICALS·Filed 1995·Granted Jul 9, 1996·17 cites·15 claims
- 2861US5376406AMethod for preparing decomposable film and its utilizationMITSUI TOATSU CHEMICALS·Filed 1993·Granted Dec 27, 1994·16 cites·14 claims
- 2961US5266641AButene-1 copolymers and resin compositions containing the sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Nov 30, 1993·14 cites·4 claims
- 3061US5212247APolypropylene resin compositions of high syndiotacticity and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1990·Granted May 18, 1993·19 cites·1 claims
- 3160US4581426AProcess for polymerization of α-olefins and catalysts thereforMITSUI TOATSU CHEMICALS·Filed 1985·Granted Apr 8, 1986·12 cites·5 claims
- 3259US5219968APropylene copolymerMITSUI TOATSU CHEMICALS·Filed 1991·Granted Jun 15, 1993·13 cites·10 claims
- 3359US5132157AStretched films of polypropleneMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jul 21, 1992·20 cites·3 claims
- 3458US5300620AHeat-resistant adhesive and method of adhesion by using adhesiveMITSUI TOATSU CHEMICALS·Filed 1993·Granted Apr 5, 1994·17 cites·6 claims
- 3557US4751265AProduction of propylene block copolymerMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jun 14, 1988·11 cites·12 claims
- 3656US4742131AMethod of controlling polymerization temperatureMITSUI TOATSU CHEMICALS·Filed 1986·Granted May 3, 1988·14 cites·4 claims
- 3755US5321096APolyimide compositionMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jun 14, 1994·13 cites·14 claims
- 3855US5314956APolypropylene resin compositions of high syndiotacticity and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1993·Granted May 24, 1994·11 cites·1 claims
- 3955US5081190ABlock copolymer of propylene and a process for the production thereofMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jan 14, 1992·10 cites·10 claims
- 4054US5428127APreparation process of syndiotactic polypropleneMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jun 27, 1995·9 cites·7 claims
- 4154US4468257AWashing and removal method of high molecular substancesMITSUI TOATSU CHEMICALS·Filed 1982·Granted Aug 28, 1984·11 cites·2 claims
- 4253US5759469AMethod for preparing molded articles of syndiotactic polypropyleneMITSUI TOATSU CHEMICALS·Filed 1996·Granted Jun 2, 1998·14 cites·4 claims
- 4352US5252700AHeat-resistant adhesive and method of adhesion by using adhesiveMITSUI TOATSU CHEMICALS·Filed 1992·Granted Oct 12, 1993·14 cites·9 claims
- 4451US5175208AMethod for preparing block copolymers of propyleneMITSUI TOATSU CHEMICALS·Filed 1989·Granted Dec 29, 1992·8 cites·3 claims
- 4550US5334684Aα-olefin-alkenylsilane copolymer and method for preparing sameMITSUI TOATSU CHEMICALS·Filed 1992·Granted Aug 2, 1994·8 cites·6 claims
- 4650US5085895APolyolefin resin compositionMITSUI TOATSU CHEMICALS·Filed 1990·Granted Feb 4, 1992·9 cites·30 claims
- 4746US5314957AMolded article of crosslinked polyolefin and method for preparing itMITSUI TOATSU CHEMICALS·Filed 1992·Granted May 24, 1994·6 cites·16 claims
- 4845US5637367ATransparent impact-resistant molded articlesMITSUI TOATSU CHEMICALS·Filed 1993·Granted Jun 10, 1997·10 cites·11 claims
- 4945US5098967AMethod of controlling the molecular weight of polypropyleneMITSUI TOATSU CHEMICALS·Filed 1988·Granted Mar 24, 1992·6 cites·4 claims
- 5044US5225507APolymer and polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jul 6, 1993·6 cites·18 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →