Inventor · disambiguated record
Charles Hu
Also filed as: HU CHARLES · HU CHARLES C
27 granted patents·10 pending applications·1,226 citations·filing 1986–2025
97Inventor score
Top patents by PatentIndex Score
37 records- 0196US11672452B2Devices and methods for body fluid sampling and analysisINTUITY MEDICAL INC·Filed 2022·Granted Jun 13, 2023·3 cites·20 claims
- 0296US5455487AMoveable desktop light controllerWATT STOPPER·Filed 1993·Granted Oct 3, 1995·272 cites·32 claims
- 0394US5598042AMoveable desktop load controllerWATT STOPPER·Filed 1995·Granted Jan 28, 1997·171 cites·13 claims
- 0493US5189393ADual technology motion sensorWATT STOPPER INC·Filed 1991·Granted Feb 23, 1993·166 cites·12 claims
- 0592US5804991AZero crossing circuit for a relayWATT STOPPER·Filed 1997·Granted Sep 8, 1998·71 cites·8 claims
- 0692US5640113AZero crossing circuit for a relayWATT STOPPER·Filed 1994·Granted Jun 17, 1997·62 cites·42 claims
- 0792US5406173AApparatus and method for adjusting lights according to the level of ambient lightWATT STOPPER·Filed 1993·Granted Apr 11, 1995·139 cites·25 claims
- 0891US11051734B2Devices and methods for body fluid sampling and analysisINTUITY MEDICAL INC·Filed 2017·Granted Jul 6, 2021·8 cites·20 claims
- 0991USD294231SOccupancy sensorTHE WATT WATCHER INC·Filed 1986·Granted Feb 16, 1988·50 cites·1 claims
- 1089US11399744B2Detection meter and mode of operationINTUITY MEDICAL INC·Filed 2017·Granted Aug 2, 2022·6 cites·28 claims
- 1188US11382544B2Devices and methods for body fluid sampling and analysisINTUITY MEDICAL INC·Filed 2018·Granted Jul 12, 2022·5 cites·40 claims
- 1288US2025392058A1Insulation piercing electrical connectorBENTEK CORP·Filed 2025·Application pending·0 cites
- 1387US4661720AOccupancy sensorWATT WATCHER INC·Filed 1986·Granted Apr 28, 1987·49 cites·8 claims
- 1486US9782114B2Devices and methods for body fluid sampling and analysisREYNOLDS PAUL D·Filed 2012·Granted Oct 10, 2017·22 cites·13 claims
- 1586USD380452SWall-mounted switchTHE WATT STOPPER·Filed 1995·Granted Jul 1, 1997·33 cites·1 claims
- 1683US9636051B2Detection meter and mode of operationEMERY JEFFREY L·Filed 2009·Granted May 2, 2017·22 cites·25 claims
- 1780US2024341634A1Detection meter and mode of operationINTUITY MEDICAL INC·Filed 2023·Application pending·0 cites
- 1878US4820938ALow voltage motion sensor for activating a high voltage loadWATT WATCHER INC·Filed 1988·Granted Apr 11, 1989·51 cites·12 claims
- 1978US2025062548A1Insulation piercing electrical connectorBENTEK CORP·Filed 2024·Application pending·0 cites
- 2075US2023190144A1Detection meter and mode of operationINTUITY MEDICAL INC·Filed 2022·Application pending·0 cites
- 2174USD360842SMotion sensorTHE WATT STOPPER·Filed 1994·Granted Aug 1, 1995·16 cites·1 claims
- 2274US2021330225A1Devices and methods for body fluid sampling and analysisINTUITY MEDICAL INC·Filed 2021·Application pending·0 cites
- 2366US6819509B2Optical isolator mounting apparatusFINISAR CORP·Filed 2002·Granted Nov 16, 2004·9 cites·10 claims
- 2463USD369348SLight level controllerTHE WATT STOPPER·Filed 1995·Granted Apr 30, 1996·12 cites·1 claims
- 2562US6714366B2Optical component mounting apparatusFINISAR CORP·Filed 2002·Granted Mar 30, 2004·7 cites·35 claims
- 2660US6931714B2Optical component assembly systemFINISAR CORP·Filed 2003·Granted Aug 23, 2005·6 cites·20 claims
- 2758US2024112836A1Isolation enhanced thermally protected metal oxide varistorDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2023·Application pending·0 cites
- 2857US2024127990A1Thermally protected metal oxide varistorDONGGUAN LITTELFUSE ELECTRONICS COMPANY LTD·Filed 2023·Application pending·0 cites
- 2955US7103953B2Method for in situ measurement of the optical offset of an optical componentFINISAR CORP·Filed 2003·Granted Sep 12, 2006·5 cites·24 claims
- 3054US5124566AShutoff circuit for sensor controlled switchWATT STOPPER·Filed 1990·Granted Jun 23, 1992·16 cites·7 claims
- 3153US7304738B2Method for actively aligning an optoelectronic deviceFINISAR CORP·Filed 2004·Granted Dec 4, 2007·3 cites·10 claims
- 3253US6916055B2Lens press toolFINISAR CORP·Filed 2002·Granted Jul 12, 2005·3 cites·26 claims
- 3353US5124546AMethod and apparatus for refracting light to an optical detectorWATT STOPPER·Filed 1991·Granted Jun 23, 1992·16 cites·7 claims
- 3449US7202952B2Fabrication and alignment deviceFINISAR CORP·Filed 2004·Granted Apr 10, 2007·3 cites·9 claims
- 3541US2005207707A1Nose assembly for optical deviceHU CHARLES·Filed 2004·Application pending·0 cites
- 3638US2005047731A1Packaging assembly for optical subassemblyFINISAR CORP·Filed 2004·Application pending·0 cites
- 3735US2018166314A1Wafer Chuck Apparatus With Contractible Sealing Devices For Securing Warped WafersULTRATECH INC·Filed 2017·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →