Inventor · disambiguated record
Junpei Kojima
Also filed as: KOJIMA JUNPEI
9 granted patents·137 citations·filing 1983–1986
88Inventor score
Files withSUMITOMO CHEMICAL CO9
Top patents by PatentIndex Score
9 records- 0189US4551501ACrystalline propylene polymer compositionSUMITOMO CHEMICAL CO·Filed 1984·Granted Nov 5, 1985·42 cites·10 claims
- 0277US4820775AAlpha-olefin block copolymer particles and process for the production thereofSUMITOMO CHEMICAL CO·Filed 1986·Granted Apr 11, 1989·27 cites·8 claims
- 0377US4761392ACatalyst system for polymerization of olefinsSUMITOMO CHEMICAL CO·Filed 1986·Granted Aug 2, 1988·34 cites·9 claims
- 0461US4412049AProcess for producing highly stereoregular α-olefin polymersSUMITOMO CHEMICAL CO·Filed 1983·Granted Oct 25, 1983·12 cites·41 claims
- 0555US4504637AOlefin polymerization catalysts and process for producing olefin polymers by using such catalystsSUMITOMO CHEMICAL CO·Filed 1983·Granted Mar 12, 1985·9 cites·18 claims
- 0649US4533706ACatalyst and process using same for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 1983·Granted Aug 6, 1985·7 cites·18 claims
- 0738US4645808AProcess for producing olefin polymerSUMITOMO CHEMICAL CO·Filed 1985·Granted Feb 24, 1987·3 cites·9 claims
- 0836US4554264AProcess for producing α-olefin polymers using novel catalyst systemSUMITOMO CHEMICAL CO·Filed 1984·Granted Nov 19, 1985·3 cites·8 claims
- 0929US4514512AMethod for the production of solid titanium trichloride catalystSUMITOMO CHEMICAL CO·Filed 1983·Granted Apr 30, 1985·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →