Inventor · disambiguated record
Hsing-Fu Liu
Also filed as: LIU HSING-FU
7 granted patents·1 pending application·84 citations·filing 1991–2012
84Inventor score
Top patents by PatentIndex Score
8 records- 0189US7715216B2Powering circuit of AC-DC converterMACROBLOCK INC·Filed 2008·Granted May 11, 2010·48 cites·20 claims
- 0287US8422253B2Circuit regulator and synchronous timing pulse generation circuit thereofCHANG LON-KOU·Filed 2010·Granted Apr 16, 2013·11 cites·11 claims
- 0374US8575901B2Auto-selecting holding current circuitCHANG LON-KOU·Filed 2012·Granted Nov 5, 2013·4 cites·10 claims
- 0459US9136699B2Dynamic damper and lighting driving circuit comprising the dynamic damperCHANG LON-KOU·Filed 2012·Granted Sep 15, 2015·2 cites·13 claims
- 0552US8941326B2AC-DC dual-use LED driving circuitLI YAN-CUN·Filed 2012·Granted Jan 27, 2015·1 cites·16 claims
- 0643US2007131945A1Light-emitting semiconductor device with open-bypass functionMACROBLOCK INC·Filed 2006·Application pending·0 cites
- 0738US5165654AGas control valveLIU HSING FU·Filed 1991·Granted Nov 24, 1992·12 cites·4 claims
- 0833US5725014AGas control valveFiled 1996·Granted Mar 10, 1998·6 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →