Inventor · disambiguated record
Sam-Kyu Chang
Also filed as: CHANG SAM-KYU
5 granted patents·64 citations·filing 1996–2000
80Inventor score
Files withPO HANG IRON & STEEL5
Top patents by PatentIndex Score
5 records- 0167US6797372B2Resin-coated steel for fuel tanks of automobile and method for manufacturing the samePO HANG IRON & STEEL·Filed 2000·Granted Sep 28, 2004·9 cites·7 claims
- 0265US5803988AMethod for manufacturing non-oriented electrical steel sheet showing superior adherence of insulating coated layerPO HANG IRON & STEEL·Filed 1996·Granted Sep 8, 1998·24 cites·4 claims
- 0362US6565671B1Surface-treated steel sheet coated with chromate film for fuel tanks and method of fabricating the samePO HANG IRON & STEEL·Filed 2000·Granted May 20, 2003·7 cites·7 claims
- 0456US6667105B1Coating composition for forming insulating films, non-oriented electrical steel sheet with the coating composition coated thereon, and method for forming the insulating films on the steel sheetPO HANG IRON & STEEL·Filed 2000·Granted Dec 23, 2003·7 cites·8 claims
- 0551US6387538B1Surface-treated steel sheet for fuel tanks and method of fabricating samePO HANG IRON & STEEL·Filed 1999·Granted May 14, 2002·17 cites·31 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →