Inventor · disambiguated record
Hirofumi Koike
Also filed as: KOIKE HIROFUMI
7 granted patents·2 pending applications·30 citations·filing 1988–2021
77Inventor score
Top patents by PatentIndex Score
9 records- 0160US4856858AOptical scannerCITIZEN WATCH CO LTD·Filed 1988·Granted Aug 15, 1989·22 cites·6 claims
- 0258US6815326B2Method of manufacturing semiconductor electrode and semiconductor device provided with electrodes manufactured by the methodFUJI MACHINE MFG·Filed 2003·Granted Nov 9, 2004·7 cites·12 claims
- 0354US11912638B2Method for producing cumeneSUMITOMO CHEMICAL CO·Filed 2020·Granted Feb 27, 2024·0 cites·14 claims
- 0453US6803490B2Process for producing α-phenylethyl alcoholSUMITOMO CHEMICAL CO·Filed 2001·Granted Oct 12, 2004·1 cites·4 claims
- 0553US2015050420A1Method for manufacturing metal filmAISIN SEIKI·Filed 2014·Application pending·0 cites
- 0649US2023118403A1Propylene oxide production apparatus and propylene oxide production methodSUMITOMO CHEMICAL CO·Filed 2021·Application pending·0 cites
- 0748US10350920B2Printing apparatus and power supply unit for printing apparatusSEIKO EPSON CORP·Filed 2017·Granted Jul 16, 2019·0 cites·22 claims
- 0845US7658538B2Method for evaluating solder joint portionAISIN SEIKI·Filed 2008·Granted Feb 9, 2010·0 cites·13 claims
- 0937US10807961B2Method for producing propylene oxideSUMITOMO CHEMICAL CO·Filed 2017·Granted Oct 20, 2020·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →