Inventor · disambiguated record
Keh Shium Liu
Also filed as: LIU KEH-SHIUM
6 granted patents·3 pending applications·124 citations·filing 1996–2014
82Inventor score
Top patents by PatentIndex Score
9 records- 0184US5720845AWafer polisher head used for chemical-mechanical polishing and endpoint detectionFiled 1996·Granted Feb 24, 1998·102 cites·8 claims
- 0277US8390017B2Optical device for semiconductor based lampLIU KEH SHIUM·Filed 2012·Granted Mar 5, 2013·3 cites·15 claims
- 0373US9322526B2Optical device for semiconductor based lampPINECONE EN INC·Filed 2014·Granted Apr 26, 2016·4 cites·19 claims
- 0471US8324645B2Optical device for semiconductor based lampLIU KEH SHIUM·Filed 2010·Granted Dec 4, 2012·4 cites·19 claims
- 0548US9052082B2Optical device for semiconductor based lampPINECONE EN INC·Filed 2012·Granted Jun 9, 2015·0 cites·11 claims
- 0645US5821528ATwo light intensities difference convert into frequency modulator for parallel photodiodesNAT SCIENCE COUNCIL·Filed 1996·Granted Oct 13, 1998·11 cites·4 claims
- 0745US2011140148A1Optical device for semiconductor based lampPINECONE EN INC·Filed 2010·Application pending·0 cites
- 0845US2010061118A1Lens Beam-Concentrating DeviceLIU KEH-SHIUM·Filed 2008·Application pending·0 cites
- 0939US2011272002A1Sunlight collecting system for illuminationLIU KEH-SHIUM·Filed 2011·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →