Inventor · disambiguated record
Nobutaka Uchikawa
Also filed as: UCHIKAWA NOBUTAKA
25 granted patents·505 citations·filing 1982–1995
97Inventor score
Top patents by PatentIndex Score
25 records- 0192US5656371AInsulating composition and formed article thereofMITSUBISHI CABLE IND LTD·Filed 1995·Granted Aug 12, 1997·96 cites·14 claims
- 0291US5340848ARadiation-resistant polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1993·Granted Aug 23, 1994·35 cites·13 claims
- 0385US4632976AProcess for the continuous discharge of a slurryMITSUI TOATSU CHEMICALS·Filed 1985·Granted Dec 30, 1986·44 cites·4 claims
- 0484US5187250APoly-α-olefinsMITSUI TOATSU CHEMICALS·Filed 1991·Granted Feb 16, 1993·48 cites·8 claims
- 0581US5278216ASyndiotactic polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1992·Granted Jan 11, 1994·37 cites·14 claims
- 0678US5232992AMolded articles of syndiotactic polypropylene and method for preparing sameMITSUI TOATSU CHEMICALS·Filed 1990·Granted Aug 3, 1993·22 cites·23 claims
- 0777US5548008ARadiation-resistant polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 20, 1996·43 cites·10 claims
- 0874US5478646APolypropylene fiber and a preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1993·Granted Dec 26, 1995·17 cites·8 claims
- 0972US6255425B1Syndiotactic polypropylene copolymer and extruded polypropylene articlesMITSUI CHEMICALS INC·Filed 1994·Granted Jul 3, 2001·22 cites·16 claims
- 1067US5548007ARadiation-resistant polypropylene resin compositionMITSUI TOATSU CHEMICALS·Filed 1995·Granted Aug 20, 1996·18 cites·8 claims
- 1161US5266641AButene-1 copolymers and resin compositions containing the sameMITSUI TOATSU CHEMICALS·Filed 1993·Granted Nov 30, 1993·14 cites·4 claims
- 1261US5212247APolypropylene resin compositions of high syndiotacticity and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1990·Granted May 18, 1993·19 cites·1 claims
- 1357US4751265AProduction of propylene block copolymerMITSUI TOATSU CHEMICALS·Filed 1987·Granted Jun 14, 1988·11 cites·12 claims
- 1455US5314956APolypropylene resin compositions of high syndiotacticity and preparation process thereofMITSUI TOATSU CHEMICALS·Filed 1993·Granted May 24, 1994·11 cites·1 claims
- 1554US5428127APreparation process of syndiotactic polypropleneMITSUI TOATSU CHEMICALS·Filed 1994·Granted Jun 27, 1995·9 cites·7 claims
- 1654US4468257AWashing and removal method of high molecular substancesMITSUI TOATSU CHEMICALS·Filed 1982·Granted Aug 28, 1984·11 cites·2 claims
- 1751US5175208AMethod for preparing block copolymers of propyleneMITSUI TOATSU CHEMICALS·Filed 1989·Granted Dec 29, 1992·8 cites·3 claims
- 1845US5098967AMethod of controlling the molecular weight of polypropyleneMITSUI TOATSU CHEMICALS·Filed 1988·Granted Mar 24, 1992·6 cites·4 claims
- 1942US5169924ACopolymer of propylene and butene-1MITSUI TOATSU CHEMICALS·Filed 1990·Granted Dec 8, 1992·8 cites·2 claims
- 2042US4725338APurification process of polymerization solventMITSUI TOATSU CHEMICALS·Filed 1986·Granted Feb 16, 1988·9 cites·7 claims
- 2140US5624621AProcess of making polyprophylene fibersMITSUI TOATSU CHEMICALS·Filed 1995·Granted Apr 29, 1997·6 cites·6 claims
- 2240US5157092APolymer of 4-methylpentene-1MITSUI TOATSU CHEMICALS·Filed 1990·Granted Oct 20, 1992·5 cites·7 claims
- 2337US4772661AProcess for the production of block copolymer of propyleneMITSUI TOATSU CHEMICALS·Filed 1986·Granted Sep 20, 1988·3 cites·6 claims
- 2432US4409378AProcess for polymerization of α-olefins and catalysts thereforMITSUI TOATSU CHEMICALS·Filed 1983·Granted Oct 11, 1983·1 cites·2 claims
- 2531US5206324AButene-1 copolymer and resin composition containing the sameMITSUI TOATSU CHEMICALS·Filed 1990·Granted Apr 27, 1993·2 cites·4 claims
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