Inventor
Towfiq Chowdhury
Inventor
Lake Forest, IL, US
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Bprimary
H05BElectric heating59%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications24%
F21KNon-electric light sources using luminescence6%
F21YIndexing scheme associated with subclasses f21k, f21l, f21s and f21v, relating to the form or the kind of the light sources or of the colour of the light emitted6%
G05FSystems for regulating electric or magnetic variables6%
PatentTitleYear
10,952,292Programmable driver for variable light intensity202110,856,384Lighting system with configurable color temperatures202010,448,471Lighting system with configurable dimming201910,299,337Systems to control dimming operations of a light-emitting diode light fixture using multiple dimming modes201910,104,731Combination dimmable driver20189,867,254'Solid state lighting fixture with incandescent dimming characteristics'20189,860,951'Systems and methods for balancing current among light-emitting diode boards'20189,844,114'Color mixing for solid state lighting using direct AC drives'20179,769,894'Controlling LED current from a constant voltage source'20179,392,658'Skip-phase wireless dimmer for solid-state lighting'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016Patents assigned to ACUITY BRANDS LIGHTING INC (1)· patent assignee history
2016Patents assigned to JUNO MFG LLC (1)· patent assignee history
2016–2018Based in Des Plaines, IL, US· patent location history
2017–2021Patents assigned to ABL IP HOLDING LLC (9)· patent assignee history
2017Patents assigned to ALB IP HOLDING LLC (1)· patent assignee history
2017–2021Based in Lake Forest, IL, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ABL IP HOLDING LLC | 9 | 2017–2021 |
| ACUITY BRANDS LIGHTING INC | 1 | 2016 |
| ALB IP HOLDING LLC | 1 | 2017 |
| JUNO MFG LLC | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lake Forest, Illinois, US | 7 | 2017–2021 |
| Des Plaines, Illinois, US | 3 | 2016–2018 |