Inventor · disambiguated record
Etsuo Hamada
Also filed as: HAMADA ETSUO
9 granted patents·4 pending applications·63 citations·filing 1998–2025
86Inventor score
Top patents by PatentIndex Score
13 records- 0179US9200165B2Surface treatment liquid for zinc or zinc alloy coated steel sheet, zinc or zinc alloy-coated steel sheet, and method for manufacturing the sameIMOKAWA TORU·Filed 2011·Granted Dec 1, 2015·3 cites·6 claims
- 0279US6677053B2Surface-treated steel sheet and production method thereforNIPPON KOKAN KK·Filed 2001·Granted Jan 13, 2004·22 cites·44 claims
- 0373US9512331B2Surface treatment agent for zinc or zinc alloy coated steel sheet, zinc or zinc alloy coated steel sheet, and method of producing the steel sheetIMOKAWA TORU·Filed 2011·Granted Dec 6, 2016·2 cites·4 claims
- 0473US8900962B2Method for manufacturing semiconductor deviceYAMASHITA DAISUKE·Filed 2011·Granted Dec 2, 2014·3 cites·7 claims
- 0573US7875363B2Surface-treated steel sheetJFE STEEL CORP·Filed 2006·Granted Jan 25, 2011·3 cites·3 claims
- 0667US8304092B2Surface-treated galvanized steel sheet with superior flat-portion corrosion resistance, blackening resistance, and appearance and corrosion resistance after press forming and aqueous surface-treatment liquid for galvanized steel sheetOKAI KAZUHISA·Filed 2007·Granted Nov 6, 2012·3 cites·6 claims
- 0767US7338718B2Zinc hot dip galvanized steel plate excellent in press formability and method for production thereofJFE STEEL CORP·Filed 2003·Granted Mar 4, 2008·10 cites·18 claims
- 0854US6060899ASemiconductor device with test circuitNEC CORP·Filed 1998·Granted May 9, 2000·17 cites·17 claims
- 0954US2025210416A1Semiconductor device manufacturing methodTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1049US2009162240A1Brake disk having high temper softening resistanceJFE STEEL CORP·Filed 2006·Application pending·0 cites
- 1147US2008149228A1Methods for producing a hot-dip galvanized steel sheet having excellent press formabilityJFE STEEL CORP·Filed 2008·Application pending·0 cites
- 1246US10763112B2Method for manufacturing deviceTOSHIBA KK·Filed 2018·Granted Sep 1, 2020·0 cites·11 claims
- 1340US2013249063A1Shield plate, method for manufacturing a semiconductor device, and semiconductor deviceTOSHIBA KK·Filed 2013·Application pending·0 cites
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