Inventor
HO HORACE C
US71 patents
⚠️ This page may combine multiple inventors who share the name “HO HORACE C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KETRA INC
16 patentsUS9795000B1Oct 17, 2017
Illumination device, system and method for manually adjusting automated changes in exterior daylight among select groups of illumination devices placed in various rooms of a structure
KETRA INC59 citations98
US9769899B2Sep 19, 2017
Illumination device and age compensation method
KETRA INC58 citations98
US9736895B1Aug 15, 2017
Color mixing optics for LED illumination device
KETRA INC58 citations98
US9386668B2Jul 5, 2016
Lighting control system
KETRA INC81 citations98
US9332598B1May 3, 2016
Interference-resistant compensation for illumination devices having multiple emitter modules
KETRA INC72 citations98
US9578724B1Feb 21, 2017
Illumination device and method for avoiding flicker
KETRA INC54 citations97
US9655215B1May 16, 2017
System and method for ensuring minimal control delay to grouped illumination devices configured within a wireless network
KETRA INC68 citations95
US9930742B1Mar 27, 2018
Keypad 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 thereof
KETRA INC26 citations94
US9674917B1Jun 6, 2017
Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereof
KETRA INC26 citations94
US9557214B2Jan 31, 2017
Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
KETRA INC24 citations94
US9247605B1Jan 26, 2016
Interference-resistant compensation for illumination devices
KETRA INC24 citations94
US9651632B1May 16, 2017
Illumination device and temperature calibration method
KETRA INC48 citations93
US9237620B1Jan 12, 2016
Illumination device and temperature compensation method
KETRA INC44 citations93
US9345097B1May 17, 2016
Interference-resistant compensation for illumination devices using multiple series of measurement intervals
KETRA INC23 citations92
US9155155B1Oct 6, 2015
Overlapping measurement sequences for interference-resistant compensation in light emitting diode devices
KETRA INC21 citations92
US9736903B2Aug 15, 2017
Illumination device and method for calibrating and controlling an illumination device comprising a phosphor converted LED
KETRA INC16 citations84
LUTRON TECH CO LLC
15 patentsUS11641706B2May 2, 2023
Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereof
LUTRON TECH CO LLC2 citations73
US12518619B2Jan 6, 2026
Visible light communication system and method
LUTRON TECH CO LLC0 citations63
US12052807B2Jul 30, 2024
Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
LUTRON TECH CO LLC0 citations63
US11915581B2Feb 27, 2024
Visible light communication system and method
LUTRON TECH CO LLC0 citations63
US11723134B2Aug 8, 2023
Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
LUTRON TECH CO LLC0 citations63
USRE49454EMar 7, 2023
Lighting control system
LUTRON TECH CO LLC1 citations63
US11252805B2Feb 15, 2022
Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
LUTRON TECH CO LLC0 citations63
US11210934B2Dec 28, 2021
Visible light communication system and method
LUTRON TECH CO LLC0 citations63
US12571517B2Mar 10, 2026
Color mixing optics for LED illumination device
LUTRON TECH CO LLC0 citations62
US12490355B2Dec 2, 2025
Illumination device for adjusting color temperature based on brightness and time of day
LUTRON TECH CO LLC0 citations62
US12292184B2May 6, 2025
Color mixing optics for LED illumination device
LUTRON TECH CO LLC0 citations62
US12167521B2Dec 10, 2024
Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereof
LUTRON TECH CO LLC0 citations62
US12072091B2Aug 27, 2024
Color mixing optics for LED illumination device
LUTRON TECH CO LLC0 citations62
USRE50018EJun 18, 2024
Interference-resistant compensation for illumination devices having multiple emitter modules
LUTRON TECH CO LLC1 citations62
US11930570B2Mar 12, 2024
Illumination device for adjusting color temperature based on brightness and time of day
LUTRON TECH CO LLC0 citations62
LUTRON KETRA LLC
12 patentsUS10161786B2Dec 25, 2018
Emitter module for an LED illumination device
LUTRON KETRA LLC42 citations95
US10595372B2Mar 17, 2020
Illumination device and method for calibrating an illumination device over changes in temperature, drive current, and time
LUTRON KETRA LLC13 citations94
US10582596B2Mar 3, 2020
Illumination device, system and method for manually adjusting automated fading of color temperature changes to emulate exterior daylight
LUTRON KETRA LLC27 citations94
US10237945B2Mar 19, 2019
Illumination device, system and method for manually adjusting automated periodic changes in emulation output
LUTRON KETRA LLC27 citations94
US10210750B2Feb 19, 2019
System and method of extending the communication range in a visible light communication system
LUTRON KETRA LLC19 citations94
US10847026B2Nov 24, 2020
Visible light communication system and method
LUTRON KETRA LLC5 citations84
US10624171B2Apr 14, 2020
Illumination system and method that presents a natural show to emulate daylight conditions with smoothing dimcurve modification thereof
LUTRON KETRA LLC10 citations84
US10621836B2Apr 14, 2020
Global keypad for linking the control of shows and brightness among multiple zones illuminated by light emitting diodes arranged among a structure
LUTRON KETRA LLC9 citations84
US10405397B2Sep 3, 2019
Illumination device, system and method for manually adjusting automated changes in exterior daylight among select groups of illumination devices placed in various rooms of a structure
LUTRON KETRA LLC8 citations84
US10302276B2May 28, 2019
Color mixing optics having an exit lens comprising an array of lenslets on an interior and exterior side thereof
LUTRON KETRA LLC6 citations84
US10159130B2Dec 18, 2018
Keypad 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 thereof
LUTRON KETRA LLC10 citations84
US10605652B2Mar 31, 2020
Emitter module for an LED illumination device
LUTRON KETRA LLC6 citations82
STANDARD MICROSYST SMC
3 patentsUS7283564B2Oct 16, 2007
Communication 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 transfer
STANDARD MICROSYST SMC30 citations93
US7164691B2Jan 16, 2007
Communication 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 segment
STANDARD MICROSYST SMC30 citations93
US7634694B2Dec 15, 2009
Selective scrambler for use in a communication system and method to minimize bit error at the receiver
STANDARD MICROSYST SMC13 citations84
OASIS DESIGN INC
2 patentsUS5826072AOct 20, 1998
Pipelined digital signal processor and signal processing system employing same
OASIS DESIGN INC52 citations92
US6437710B1Aug 20, 2002
Encoder within a communication system that avoids encoded DC accumulation and can use coding violations to synchronize a decoder and detect transmission errors
OASIS DESIGN INC39 citations87
KNAPP DAVID J
1 patentOASIS SILICON SYSTEMS INC
1 patentShowing the top 50 of 71 patents by PatentIndex Score.