Towfiq Chowdhury

Person

Lake Forest, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Dynamic PWM frequency control
- Patent number 12,022,585
- Issue date Jun 25, 2024
- ABL IP Holding, LLC
- Feng Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Antenna systems for wireless communication in luminaires
- Patent number 11,652,287
- Issue date May 16, 2023
- ABL IP Holding LLC
- Charles Jeffrey Spencer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Luminaire system with integrated, dynamic audio visual control
- Patent number 11,268,690
- Issue date Mar 8, 2022
- ABL IP Holding LLC
- Charles Jeffrey Spencer
- F21 - LIGHTING
Information Patent Grant
Luminaire system with trim component and integrated user experience...
- Patent number 11,149,938
- Issue date Oct 19, 2021
- ABL IP Holding LLC
- Charles Jeffrey Spencer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Programmable driver for variable light intensity
- Patent number 10,952,292
- Issue date Mar 16, 2021
- ABL IP Holding LLC
- Towfiq M. Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting system with configurable color temperatures
- Patent number 10,856,384
- Issue date Dec 1, 2020
- ABL IP Holding LLC
- Feng Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Lighting system with configurable dimming
- Patent number 10,448,471
- Issue date Oct 15, 2019
- ABL IP Holding LLC
- Towfiq M. Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Systems to control dimming operations of a light-emitting diode lig...
- Patent number 10,299,337
- Issue date May 21, 2019
- ABL IP Holding LLC
- Feng Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Combination dimmable driver
- Patent number 10,104,731
- Issue date Oct 16, 2018
- ABL IP Holding LLC
- Feng-Kang Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Solid state lighting fixture with incandescent dimming characteristics
- Patent number 9,867,254
- Issue date Jan 9, 2018
- ABL IP Holding LLC
- Raghuram L. V. Petluri
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information Patent Grant
Systems and methods for balancing current among light-emitting diod...
- Patent number 9,860,951
- Issue date Jan 2, 2018
- ABL IP Holding LLC
- Feng Chen
- G05 - CONTROLLING REGULATING
Information Patent Grant
Color mixing for solid state lighting using direct AC drives
- Patent number 9,844,114
- Issue date Dec 12, 2017
- ALB IP HOLDING LLC
- Towfiq Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Controlling LED current from a constant voltage source
- Patent number 9,769,894
- Issue date Sep 19, 2017
- ABL IP Holding LLC
- Towfiq Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Skip-phase wireless dimmer for solid-state lighting
- Patent number 9,392,658
- Issue date Jul 12, 2016
- Acuity Brands Lighting, Inc.
- Towfiq Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

Information Patent Application
DYNAMIC PWM FREQUENCY CONTROL
- Publication number 20240224395
- Publication date Jul 4, 2024
- ABL IP HOLDING, LLC
- Feng CHEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
NEAR FIELD COMMUNICATIONS ENABLED DIMMING CIRCUIT
- Publication number 20240196502
- Publication date Jun 13, 2024
- ABL IP HOLDING, LLC
- Feng CHEN
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LUMINAIRE SYSTEM WITH INTEGRATED USER EXPERIENCE ELEMENTS
- Publication number 20200124271
- Publication date Apr 23, 2020
- ABL IP Holding LLC
- Charles Jeffrey Spencer
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
ANTENNA SYSTEMS FOR WIRELESS COMMUNICATION IN LUMINAIRES
- Publication number 20200127374
- Publication date Apr 23, 2020
- ABL IP Holding LLC
- Charles Jeffrey Spencer
- F21 - LIGHTING
Information Patent Application
LUMINAIRE SYSTEM WITH INTEGRATED, DYNAMIC AUDIO VISUAL CONTROL
- Publication number 20200124272
- Publication date Apr 23, 2020
- ABL IP Holding LLC
- Charles Jeffrey Spencer
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
PROGRAMMABLE DRIVER FOR VARIABLE LIGHT INTENSITY
- Publication number 20200053849
- Publication date Feb 13, 2020
- ABL IP Holding LLC
- Towfiq M. Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
LIGHTING SYSTEM WITH CONFIGURABLE COLOR TEMPERATURES
- Publication number 20190373699
- Publication date Dec 5, 2019
- ABL IP Holding LLC
- Feng Chen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
Color Mixing for Solid State Lighting using Direct AC Drives
- Publication number 20170171933
- Publication date Jun 15, 2017
- ABL IP Holding LLC
- Towfiq Chowdhury
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
COMBINATION DIMMABLE DRIVER
- Publication number 20170164440
- Publication date Jun 8, 2017
- Juno Manufacturing, LLC
- Feng-Kang Hu
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SKIP-PHASE WIRELESS DIMMER FOR SOLID-STATE LIGHTING
- Publication number 20160165693
- Publication date Jun 9, 2016
- Juno Manufacturing, LLC
- TOWFIQ CHOWDHURY
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
SOLID STATE LIGHTING FIXTURE WITH INCANDESCENT DIMMING CHARACTERISTICS
- Publication number 20160128155
- Publication date May 5, 2016
- Juno Manufacturing, LLC
- Raghuram L.V. PETLURI
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
CONTROLLING LED CURRENT FROM A CONSTANT VOLTAGE SOURCE
- Publication number 20150382421
- Publication date Dec 31, 2015
- Juno Manufacturing, LLC
- Towfiq CHOWDHURY
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR

Towfiq Chowdhury

Person

Patents Grantslast 30 patents

Dynamic PWM frequency control

Antenna systems for wireless communication in luminaires

Luminaire system with integrated, dynamic audio visual control

Luminaire system with trim component and integrated user experience...

Programmable driver for variable light intensity

Lighting system with configurable color temperatures

Lighting system with configurable dimming

Systems to control dimming operations of a light-emitting diode lig...

Combination dimmable driver

Solid state lighting fixture with incandescent dimming characteristics

Systems and methods for balancing current among light-emitting diod...

Color mixing for solid state lighting using direct AC drives

Controlling LED current from a constant voltage source

Skip-phase wireless dimmer for solid-state lighting

Patents Applicationslast 30 patents

DYNAMIC PWM FREQUENCY CONTROL

NEAR FIELD COMMUNICATIONS ENABLED DIMMING CIRCUIT

LUMINAIRE SYSTEM WITH INTEGRATED USER EXPERIENCE ELEMENTS

ANTENNA SYSTEMS FOR WIRELESS COMMUNICATION IN LUMINAIRES

LUMINAIRE SYSTEM WITH INTEGRATED, DYNAMIC AUDIO VISUAL CONTROL

PROGRAMMABLE DRIVER FOR VARIABLE LIGHT INTENSITY

LIGHTING SYSTEM WITH CONFIGURABLE COLOR TEMPERATURES

Color Mixing for Solid State Lighting using Direct AC Drives

COMBINATION DIMMABLE DRIVER

SKIP-PHASE WIRELESS DIMMER FOR SOLID-STATE LIGHTING

SOLID STATE LIGHTING FIXTURE WITH INCANDESCENT DIMMING CHARACTERISTICS

CONTROLLING LED CURRENT FROM A CONSTANT VOLTAGE SOURCE