Inventor · disambiguated record
Han-Yong Oei
Also filed as: OEI HAN Y · OEI HAN-YONG
4 granted patents·50 citations·filing 1978–1989
76Inventor score
Top patents by PatentIndex Score
4 records- 0176US4199381APreparation of metals for cold formingOXY METAL INDUSTRIES CORP·Filed 1978·Granted Apr 22, 1980·19 cites·4 claims
- 0256US4824490AProcess of producing phosphate coatings on metalsMETALLGESELLSCHAFT AG·Filed 1987·Granted Apr 25, 1989·19 cites·12 claims
- 0337US4416705AComposition and process for production of phosphate coatings on metal surfacesOCCIDENTAL CHEM CO·Filed 1982·Granted Nov 22, 1983·6 cites·7 claims
- 0431US5039361AProcess of phosphating metal surfacesMETALLGESELLSCHAFT AG·Filed 1989·Granted Aug 13, 1991·6 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →