Inventor · disambiguated record
Hiroyuki Koura
Also filed as: KOURA HIROYUKI
4 granted patents·44 citations·filing 1992–2022
74Inventor score
Top patents by PatentIndex Score
4 records- 0162US5449738AProcess for producing ethylene-propylene block copolymerSUMITOMO CHEMICAL CO·Filed 1992·Granted Sep 12, 1995·17 cites·7 claims
- 0259US5473021AProcess for producing ethylene-propylene block copolymerSUMITOMO CHEMICAL CO·Filed 1994·Granted Dec 5, 1995·15 cites·20 claims
- 0356US5381827AGas distributor for use in gas phase polymerization apparatusSUMITOMO CHEMICAL CO·Filed 1993·Granted Jan 17, 1995·12 cites·6 claims
- 0450US12288985B2Power conversion device, control device, and distributed power source systemTOSHIBA MITSUBISHI ELECTRIC INDUSTRIAL SYSTEMS CORP·Filed 2022·Granted Apr 29, 2025·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →