Inventor · disambiguated record
Kyoko Hamahara
Also filed as: HAMAHARA KYOKO
12 granted patents·152 citations·filing 1987–2003
91Inventor score
Top patents by PatentIndex Score
12 records- 0186US5993974APorcelain-enameled steel sheets and frits for enamelingKAWASAKI STEEL CO·Filed 1998·Granted Nov 30, 1999·69 cites·15 claims
- 0272US6322906B1Perforative corrosion resistant galvanized steel sheetKAWASAKI STEEL CO·Filed 2000·Granted Nov 27, 2001·14 cites·3 claims
- 0370US5360676ATin mill black plate for canmaking, and method of manufacturingKAWASAKI STEEL CO·Filed 1993·Granted Nov 1, 1994·16 cites·6 claims
- 0462US6537674B1Surface treated steel sheetKAWASAKI STEEL CO·Filed 2000·Granted Mar 25, 2003·5 cites·6 claims
- 0558US5834128AOrganic film-coated zinc plated steel sheetKAWASAKI STEEL CO·Filed 1996·Granted Nov 10, 1998·15 cites·6 claims
- 0654US6555249B1Surface treated steel sheet and method for production thereofKAWASAKI STEEL CO·Filed 2000·Granted Apr 29, 2003·5 cites·6 claims
- 0746US5514483AOrganic composite coated steel plates having improved corrosion resistance in as-worked stateKAWASAKI STEEL CO·Filed 1993·Granted May 7, 1996·12 cites·7 claims
- 0839US7041382B2Coated steel sheet provided with electrodeposition painting having superior appearanceJFE STEEL CORP·Filed 2003·Granted May 9, 2006·0 cites·12 claims
- 0937US5997714AOrganic coated material having an electrolytically polymerized coating film containing chromium and methodKAWASAKI STEEL CO·Filed 1996·Granted Dec 7, 1999·7 cites·6 claims
- 1036US5723210AOrganic composite coated steel sheetKAWASAKI STEEL CO·Filed 1996·Granted Mar 3, 1998·6 cites·9 claims
- 1130US5496420ACan-making steel sheetKAWASAKI STEEL CO·Filed 1994·Granted Mar 5, 1996·2 cites·3 claims
- 1221US4832800AProcess for preparing surface-treated steel strips adapted for electric resistance weldingOGATA HAJIME·Filed 1987·Granted May 23, 1989·1 cites·2 claims
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