Inventor · disambiguated record
Ashfaqul Islam Chowdhury
Also filed as: CHOWDHURY ASHFAQUL · CHOWDHURY ASHFAQUL I · CHOWDHURY ASHFAQUL ISLAM
34 granted patents·6 pending applications·247 citations·filing 2000–2021
97Inventor score
Files withGEN ELECTRIC11GE LIGHTING SOLUTIONS LLC10CHOWDHURY ASHFAQUL I4CHOWDHURY ASHFAQUL ISLAM3CURRENT LIGHTING SOLUTIONS LLC3
Top patents by PatentIndex Score
40 records- 0198US8906724B2Color stable red-emitting phosphorsGEN ELECTRIC·Filed 2014·Granted Dec 9, 2014·76 cites·29 claims
- 0297US9974138B2Multi-channel lamp system and method with mixed spectrumGE LIGHTING SOLUTIONS LLC·Filed 2015·Granted May 15, 2018·25 cites·14 claims
- 0396US9698314B2Color stable red-emitting phosphorsGEN ELECTRIC·Filed 2014·Granted Jul 4, 2017·26 cites·9 claims
- 0489US10495263B2LED filament lamps with white filament appearanceGE LIGHTING SOLUTIONS LLC·Filed 2018·Granted Dec 3, 2019·7 cites·30 claims
- 0587US8608347B2Lighting apparatus with a light source comprising light emitting diodesCHINNIAH JEYACHANDRABOSE·Filed 2011·Granted Dec 17, 2013·10 cites·20 claims
- 0686US10833228B2Enhanced color-preference LED light sources using YAG, nitride, and PFS phosphorsCONSUMER LIGHTING US LLC·Filed 2019·Granted Nov 10, 2020·2 cites·13 claims
- 0785US10381527B2Enhanced color-preference LED light sources using yag, nitride, and PFS phosphorsCONSUMER LIGHTING LLC·Filed 2017·Granted Aug 13, 2019·4 cites·31 claims
- 0885US9385282B2Color stable red-emitting phosphorsGEN ELECTRIC·Filed 2014·Granted Jul 5, 2016·5 cites·14 claims
- 0983US10240087B2Enhanced color-preference LED light sources using lag, nitride, and PFS phosphorsGE LIGHTING SOLUTIONS LLC·Filed 2017·Granted Mar 26, 2019·3 cites·29 claims
- 1083US7352118B2Optimized ultraviolet reflecting multi-layer coating for energy efficient lampsGEN ELECTRIC·Filed 2003·Granted Apr 1, 2008·18 cites·24 claims
- 1181US8672516B2Lightweight heat sinks and LED lamps employing sameCHOWDHURY ASHFAQUL I·Filed 2010·Granted Mar 18, 2014·7 cites·28 claims
- 1281US8541933B2Transparent thermally conductive polymer composites for light source thermal managementCHOWDHURY ASHFAQUL ISLAM·Filed 2010·Granted Sep 24, 2013·9 cites·11 claims
- 1379US7759871B2High temperature seal for electric lampGEN ELECTRIC·Filed 2005·Granted Jul 20, 2010·5 cites·15 claims
- 1478US9376615B2Color stable red-emitting phosphorsGEN ELECTRIC·Filed 2014·Granted Jun 28, 2016·4 cites·7 claims
- 1577US9929319B2LED package with red-emitting phosphorsGEN ELECTRIC·Filed 2014·Granted Mar 27, 2018·4 cites·8 claims
- 1675US11851595B2Color stable red-emitting phosphorsCURRENT LIGHTING SOLUTIONS LLC·Filed 2021·Granted Dec 26, 2023·0 cites·9 claims
- 1775US9936558B1Lighting selection system and methodGE LIGHTING SOLUTIONS LLC·Filed 2016·Granted Apr 3, 2018·2 cites·18 claims
- 1873US9580648B2Color stable red-emitting phosphorsGEN ELECTRIC·Filed 2014·Granted Feb 28, 2017·2 cites·2 claims
- 1970US10240772B2Lightweight heat sinks and LED lamps employing sameCHOWDHURY ASHFAQUL I·Filed 2010·Granted Mar 26, 2019·3 cites·22 claims
- 2066US6967443B2IR-coated halogen lamp using reflective end coatsGEN ELECTRIC·Filed 2003·Granted Nov 22, 2005·11 cites·13 claims
- 2165US8668356B2Lightweight heat sinks and LED lamps employing sameCHOWDHURY ASHFAQUL I·Filed 2010·Granted Mar 11, 2014·1 cites·12 claims
- 2264US9590148B2Encapsulant modification in heavily phosphor loaded LED packages for improved stabilityGE LIGHTING SOLUTIONS LLC·Filed 2014·Granted Mar 7, 2017·1 cites·3 claims
- 2363US9127816B2LED light engine/heat sink assemblyKUENZLER GLENN H·Filed 2011·Granted Sep 8, 2015·2 cites·23 claims
- 2462US11098246B2Color stable red-emitting phosphorsCURRENT LIGHTING SOLUTIONS LLC·Filed 2019·Granted Aug 24, 2021·0 cites·2 claims
- 2560US8461754B2High efficiency glass halogen lamp with interference coatingCHOWDHURY ASHFAQUL ISLAM·Filed 2009·Granted Jun 11, 2013·2 cites·23 claims
- 2660US6462465B1LPCVD coated reflectorGEN ELECTRIC·Filed 2000·Granted Oct 8, 2002·10 cites·20 claims
- 2759US9416952B2Lighting apparatus with a light source comprising light emitting diodesGE LIGHTING SOLUTIONS LLC·Filed 2013·Granted Aug 16, 2016·0 cites·15 claims
- 2856US10862009B2Encapsulant modification in heavily phosphor loaded LED packages for improved stabilityCURRENT LIGHTING SOLUTIONS LLC·Filed 2017·Granted Dec 8, 2020·0 cites·9 claims
- 2955US9933308B2Method for determining spectrally tuned mixed-color LED light enginesGE LIGHTING SOLUTIONS LLC·Filed 2014·Granted Apr 3, 2018·0 cites·6 claims
- 3054US2017145304A1Color stable red-emitting phosphorsGEN ELECTRIC·Filed 2017·Application pending·0 cites
- 3152US9676000B2Lighting system with reflective coating having cross-linked polymeric powder and a pigmentGE LIGHTING SOLUTIONS LLC·Filed 2012·Granted Jun 13, 2017·0 cites·9 claims
- 3252USD660991SLampALLEN GARY ROBERT·Filed 2011·Granted May 29, 2012·8 cites·1 claims
- 3350US9680067B2Heavily phosphor loaded LED packages having higher stabilityGE LIGHTING SOLUTIONS LLC·Filed 2014·Granted Jun 13, 2017·0 cites·12 claims
- 3450US8179030B2Oxide multilayers for high temperature applications and lampsCHOWDHURY ASHFAQUL ISLAM·Filed 2009·Granted May 15, 2012·0 cites·21 claims
- 3545US2007138926A1Method for optimizing lamp spectral outputBROWN PETER W·Filed 2005·Application pending·0 cites
- 3645US2022275275A1Stable phosphor converted led and system using the sameCURRENT LIGHTING SOLUTION LLC·Filed 2020·Application pending·0 cites
- 3744US2013201680A1Led lamp with diffuser having spheroid geometryALLEN GARY ROBERT·Filed 2012·Application pending·0 cites
- 3842US2005023983A1Optimal silicon dioxide protection layer thickness for silver lamp reflectorFiled 2003·Application pending·0 cites
- 3940US2008036384A1Lamp with high reflectance end coatCHOWDHURY ASHFAQUL I·Filed 2006·Application pending·0 cites
- 4039US10359158B2Lighting selection system and methodGE LIGHTING SOLUTIONS LLC·Filed 2016·Granted Jul 23, 2019·0 cites·21 claims
Join the waitlist — get patent alerts
Get an alert when Ashfaqul Islam Chowdhury files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →