Inventor · disambiguated record
Hirofumi Jyohouji
Also filed as: JYOHOUJI HIROFUMI
4 granted patents·66 citations·filing 1989–1992
75Inventor score
Technology areasC08F
Files withSUMITOMO CHEMICAL CO4
Top patents by PatentIndex Score
4 records- 0186US5134104ALiquid catalyst component, catalyst system containing said component and process for producing ethylene-α-olefin copolymer using said catalyst systemSUMITOMO CHEMICAL CO·Filed 1991·Granted Jul 28, 1992·49 cites·7 claims
- 0259US5039766ALiquid catalyst component, catalyst system containing said component and process for producing ethylene-alpha-olefin copolymer using said catalyst systemSUMITOMO CHEMICAL CO·Filed 1989·Granted Aug 13, 1991·12 cites·8 claims
- 0341US5215951AProcess for producing α-olefin polymerSUMITOMO CHEMICAL CO·Filed 1991·Granted Jun 1, 1993·4 cites·18 claims
- 0432US5258474AProcess for producing α-olefin polymerSUMITOMO CHEMICAL CO·Filed 1992·Granted Nov 2, 1993·1 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →