P

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 patents
US9795000B1Oct 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 patents
US11641706B2May 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 patents
US10161786B2Dec 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 patents

OASIS DESIGN INC

2 patents

KNAPP DAVID J

1 patent

OASIS SILICON SYSTEMS INC

1 patent

Showing the top 50 of 71 patents by PatentIndex Score.