Inventor · disambiguated record
Horace C. Ho
Also filed as: HO HORACE C
68 granted patents·8 pending applications·1,211 citations·filing 1995–2025
99Inventor score
Top patents by PatentIndex Score
76 records- 0199US9795000B1Illumination device, system and method for manually adjusting automated changes in exterior daylight among select groups of illumination devices placed in various rooms of a structureKETRA INC·Filed 2016·Granted Oct 17, 2017·59 cites·11 claims
- 0298US9769899B2Illumination device and age compensation methodKETRA INC·Filed 2014·Granted Sep 19, 2017·58 cites·20 claims
- 0398US9736895B1Color mixing optics for LED illumination deviceKETRA INC·Filed 2014·Granted Aug 15, 2017·58 cites·10 claims
- 0498US9578724B1Illumination device and method for avoiding flickerKETRA INC·Filed 2013·Granted Feb 21, 2017·54 cites·21 claims
- 0598US9386668B2Lighting control systemKETRA INC·Filed 2014·Granted Jul 5, 2016·81 cites·26 claims
- 0698US9332598B1Interference-resistant compensation for illumination devices having multiple emitter modulesKETRA INC·Filed 2014·Granted May 3, 2016·72 cites·22 claims
- 0798US8521035B2Systems and methods for visible light communicationKNAPP DAVID J·Filed 2010·Granted Aug 27, 2013·113 cites·38 claims
- 0897US10595372B2Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and timeLUTRON KETRA LLC·Filed 2016·Granted Mar 17, 2020·13 cites·10 claims
- 0997US9930742B1Keypad with color temperature control as a function of brightness among scenes and the momentary or persistent override and reprogram of a natural show and method thereofKETRA INC·Filed 2016·Granted Mar 27, 2018·26 cites·7 claims
- 1097US9655215B1System and method for ensuring minimal control delay to grouped illumination devices configured within a wireless networkKETRA INC·Filed 2016·Granted May 16, 2017·68 cites·8 claims
- 1197US9651632B1Illumination device and temperature calibration methodKETRA INC·Filed 2013·Granted May 16, 2017·48 cites·15 claims
- 1297US9237620B1Illumination device and temperature compensation methodKETRA INC·Filed 2013·Granted Jan 12, 2016·44 cites·26 claims
- 1396US10582596B2Illumination device, system and method for manually adjusting automated fading of color temperature changes to emulate exterior daylightLUTRON KETRA LLC·Filed 2016·Granted Mar 3, 2020·27 cites·16 claims
- 1496US10237945B2Illumination device, system and method for manually adjusting automated periodic changes in emulation outputLUTRON KETRA LLC·Filed 2016·Granted Mar 19, 2019·27 cites·18 claims
- 1596US10161786B2Emitter module for an LED illumination deviceLUTRON KETRA LLC·Filed 2014·Granted Dec 25, 2018·42 cites·18 claims
- 1696US9674917B1Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereofKETRA INC·Filed 2016·Granted Jun 6, 2017·26 cites·19 claims
- 1796US9557214B2Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and timeKETRA INC·Filed 2014·Granted Jan 31, 2017·24 cites·17 claims
- 1895US11641706B2Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereofLUTRON TECH CO LLC·Filed 2021·Granted May 2, 2023·2 cites·20 claims
- 1995US10210750B2System and method of extending the communication range in a visible light communication systemLUTRON KETRA LLC·Filed 2013·Granted Feb 19, 2019·19 cites·29 claims
- 2094US10624171B2Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereofLUTRON KETRA LLC·Filed 2018·Granted Apr 14, 2020·10 cites·16 claims
- 2194US9345097B1Interference-resistant compensation for illumination devices using multiple series of measurement intervalsKETRA INC·Filed 2014·Granted May 17, 2016·23 cites·21 claims
- 2294US9247605B1Interference-resistant compensation for illumination devicesKETRA INC·Filed 2014·Granted Jan 26, 2016·24 cites·22 claims
- 2394US9155155B1Overlapping measurement sequences for interference-resistant compensation in light emitting diode devicesKETRA INC·Filed 2014·Granted Oct 6, 2015·21 cites·23 claims
- 2493US10605652B2Emitter module for an LED illumination deviceLUTRON KETRA LLC·Filed 2018·Granted Mar 31, 2020·6 cites·20 claims
- 2593US10159130B2Keypad with color temperature control as a function of brightness among scenes and the momentary or persistent override and reprogram of a natural show and method thereofLUTRON KETRA LLC·Filed 2018·Granted Dec 18, 2018·10 cites·13 claims
- 2692US10302276B2Color mixing optics having an exit lens comprising an array of lenslets on an interior and exterior side thereofLUTRON KETRA LLC·Filed 2017·Granted May 28, 2019·6 cites·7 claims
- 2792US9736903B2Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LEDKETRA INC·Filed 2014·Granted Aug 15, 2017·16 cites·29 claims
- 2891US10847026B2Visible light communication system and methodLUTRON KETRA LLC·Filed 2018·Granted Nov 24, 2020·5 cites·17 claims
- 2991US10405397B2Illumination device, system and method for manually adjusting automated changes in exterior daylight among select groups of illumination devices placed in various rooms of a structureLUTRON KETRA LLC·Filed 2017·Granted Sep 3, 2019·8 cites·11 claims
- 3090US12292184B2Color mixing optics for LED illumination deviceLUTRON TECH CO LLC·Filed 2024·Granted May 6, 2025·0 cites·20 claims
- 3190US10621836B2Global keypad for linking the control of shows and brightness among multiple zones illuminated by light emitting diodes arranged among a structureLUTRON KETRA LLC·Filed 2016·Granted Apr 14, 2020·9 cites·8 claims
- 3290US7283564B2Communication system and method for sending asynchronous data and/or isochronous streaming data across a synchronous network within a frame segment using a coding violation to signify at least the beginning of a data transferSTANDARD MICROSYST SMC·Filed 2002·Granted Oct 16, 2007·30 cites·32 claims
- 3389US2024341019A1-SIllumination Device and Method for Calibrating an Illumination Device Over Changes in Temperature, Drive Current, and TimeLUTRON TECH CO LLC·Filed 2024·Application pending·0 cites
- 3489US2025384765A1Visible Light Communication System And MethodLUTRON TECH CO LLC·Filed 2025·Application pending·0 cites
- 3588US12292326B2Emitter module for an LED illumination deviceLUTRON TECH CO LLC·Filed 2024·Granted May 6, 2025·0 cites·20 claims
- 3685US12052807B2Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and timeLUTRON TECH CO LLC·Filed 2023·Granted Jul 30, 2024·0 cites·18 claims
- 3784US12050126B2Emitter module for an LED illumination deviceLUTRON TECH CO LLC·Filed 2023·Granted Jul 30, 2024·0 cites·20 claims
- 3884USRE50018EInterference-resistant compensation for illumination devices having multiple emitter modulesLUTRON TECH CO LLC·Filed 2020·Granted Jun 18, 2024·1 cites·73 claims
- 3984US2025063645A1Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereofLUTRON TECH CO LLC·Filed 2024·Application pending·0 cites
- 4083US11202354B2Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereofLUTRON TECH CO LLC·Filed 2020·Granted Dec 14, 2021·1 cites·18 claims
- 4182US12490355B2Illumination device for adjusting color temperature based on brightness and time of dayLUTRON TECH CO LLC·Filed 2024·Granted Dec 2, 2025·0 cites·18 claims
- 4281US7164691B2Communication system and method for sending isochronous streaming data across a synchronous network within a frame segment using a coding violation to signify invalid or empty bytes within the frame segmentSTANDARD MICROSYST SMC·Filed 2002·Granted Jan 16, 2007·30 cites·22 claims
- 4379US12167521B2Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereofLUTRON TECH CO LLC·Filed 2023·Granted Dec 10, 2024·0 cites·12 claims
- 4479US6437710B1Encoder within a communication system that avoids encoded DC accumulation and can use coding violations to synchronize a decoder and detect transmission errorsOASIS DESIGN INC·Filed 2000·Granted Aug 20, 2002·39 cites·22 claims
- 4578US6874048B2Communication system and methodology for sending a designator for at least one of a set of time-division multiplexed channels forwarded across a locally synchronized busOASIS SILICON SYSTEMS INC·Filed 2002·Granted Mar 29, 2005·40 cites·31 claims
- 4677US12072091B2Color mixing optics for LED illumination deviceLUTRON TECH CO LLC·Filed 2023·Granted Aug 27, 2024·0 cites·17 claims
- 4777US11915581B2Visible light communication system and methodLUTRON TECH CO LLC·Filed 2021·Granted Feb 27, 2024·0 cites·14 claims
- 4877US11740123B2Emitter module for an LED illumination deviceLUTRON TECH CO LLC·Filed 2022·Granted Aug 29, 2023·0 cites·17 claims
- 4977US11723134B2Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and timeLUTRON TECH CO LLC·Filed 2022·Granted Aug 8, 2023·0 cites·24 claims
- 5077US2025155280A1Emitter Module for an LED Illumination DeviceLUTRON TECH CO LLC·Filed 2025·Application pending·0 cites
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →