Inventor · disambiguated record
Kelvin Yao
Also filed as: YAO KELVIN · YAO KELVIN K W · YAO KELVIN KOON WAN
4 granted patents·1 pending application·89 citations·filing 1991–2008
78Inventor score
Top patents by PatentIndex Score
5 records- 0180US6375490B1Conveniently oriented receptacle for use in elongated racewaysWIREMOLD CO·Filed 1999·Granted Apr 23, 2002·47 cites·8 claims
- 0258US5394289AFuse opening linkage apparatus for immersion detection circuit interrupterROCOM ELECTRIC CO LTD·Filed 1994·Granted Feb 28, 1995·17 cites·20 claims
- 0352US5157369ACircuit breaker switchROTOTECH ELECTRICAL COMPONENTS·Filed 1991·Granted Oct 20, 1992·13 cites·10 claims
- 0447US2009250440A1Out-of-phase electrical welder and processYAP TZE-YEE RYAN·Filed 2008·Application pending·0 cites
- 0544US5317128AElectric heating unit for heating container space to variable temperature with constant electric currentROTOTECH ELECTRICAL COMPONENTS·Filed 1991·Granted May 31, 1994·12 cites·19 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →