Chowdhury; Ashfaqul Islam
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chowdhury; Ashfaqul Islam.The latest application filed is for "stable phosphor converted led and system using the same".
Company Profile
2.22.25
- Chowdhury; Ashfaqul Islam - East Cleveland OH
- CHOWDHURY; Ashfaqul Islam - Broadview Heights OH
- Chowdhury; Ashfaqul Islam - Broadview Heighs OH
- Chowdhury; Ashfaqul Islam - Cleveland OH US
- Chowdhury, Ashfaqul Islam - Mayfield Hts OH
Patent Activity
| Patent | Date |
|---|---|
| Stable Phosphor Converted Led And System Using The Same App 20220275275 - Baldesare; Jenna Marie ; et al. | 2022-09-01 |
| Color Stable Red-emitting Phosphors App 20210340443 - MURPHY; James Edward ; et al. | 2021-11-04 |
| Color stable red-emitting phosphors Grant 11,098,246 - Murphy , et al. August 24, 2 | 2021-08-24 |
| Encapsulant modification in heavily phosphor loaded LED packages for improved stability Grant 10,862,009 - Chowdhury , et al. December 8, 2 | 2020-12-08 |
| Color Stable Red-emitting Phosphors App 20190203116 - MURPHY; James Edward ; et al. | 2019-07-04 |
| Enhanced color-preference LED light sources using lag, nitride, and PFS phosphors Grant 10,240,087 - Vick , et al. | 2019-03-26 |
| Lighting selection system and method Grant 9,936,558 - Benner , et al. April 3, 2 | 2018-04-03 |
| LED package with red-emitting phosphors Grant 9,929,319 - Setlur , et al. March 27, 2 | 2018-03-27 |
| Lighting Selection System And Method App 20180077768 - BENNER; Kevin Jeffrey ; et al. | 2018-03-15 |
| Enhanced Color-preference Led Light Sources Using Lag, Nitride, And Pfs Phosphors App 20170233649 - VICK; Kevin James ; et al. | 2017-08-17 |
| Color stable red-emitting phosphors Grant 9,698,314 - Murphy , et al. July 4, 2 | 2017-07-04 |
| Heavily phosphor loaded LED packages having higher stability Grant 9,680,067 - Chowdhury , et al. June 13, 2 | 2017-06-13 |
| Encapsulant Modification In Heavily Phosphor Loaded Led Packages For Improved Stability App 20170162762 - CHOWDHURY; Ashfaqul Islam ; et al. | 2017-06-08 |
| Color Stable Red-emitting Phosphors App 20170145304 - Murphy; James Edward ; et al. | 2017-05-25 |
| Encapsulant modification in heavily phosphor loaded LED packages for improved stability Grant 9,590,148 - Chowdhury , et al. March 7, 2 | 2017-03-07 |
| Color stable red-emitting phosphors Grant 9,580,648 - Murphy , et al. February 28, 2 | 2017-02-28 |
| Lighting apparatus with a light source comprising light emitting diodes Grant 9,416,952 - Chinniah , et al. August 16, 2 | 2016-08-16 |
| Color stable red-emitting phosphors Grant 9,385,282 - Setlur , et al. July 5, 2 | 2016-07-05 |
| Color stable red-emitting phosphors Grant 9,376,615 - Murphy , et al. June 28, 2 | 2016-06-28 |
| Color Stable Red-emitting Phosphors App 20150361337 - Murphy; James Edward ; et al. | 2015-12-17 |
| Led Package With Red-emitting Phosphors App 20150364659 - Setlur; Anant Achyut ; et al. | 2015-12-17 |
| Color Stable Red-emitting Phosphors App 20150364655 - Setlur; Anant Achyut ; et al. | 2015-12-17 |
| Encapsulant Modification In Heavily Phosphor Loaded Led Packages For Improved Stability App 20150270452 - CHOWDHURY; Ashfaqul Islam ; et al. | 2015-09-24 |
| Heavily Phosphor Loaded Led Packages Having Higher Stability App 20150270451 - CHOWDHURY; Ashfaqul Islam ; et al. | 2015-09-24 |
| Color stable red-emitting phosphors Grant 8,906,724 - Murphy , et al. December 9, 2 | 2014-12-09 |
| Color Stable Red-emitting Phosphors App 20140327026 - Murphy; James Edward ; et al. | 2014-11-06 |
| Color Stable Red-emitting Phosphors App 20140268655 - Murphy; James Edward ; et al. | 2014-09-18 |
| Color Stable Red-emitting Phosphors App 20140264418 - Murphy; James Edward ; et al. | 2014-09-18 |
| Lighting Apparatus With A Light Source Comprising Light Emitting Diodes App 20140070690 - Chinniah; Jeyachandrabose ; et al. | 2014-03-13 |
| Lighting apparatus with a light source comprising light emitting diodes Grant 8,608,347 - Chinniah , et al. December 17, 2 | 2013-12-17 |
| Transparent thermally conductive polymer composites for light source thermal management Grant 8,541,933 - Chowdhury , et al. September 24, 2 | 2013-09-24 |
| Led Lamp With Diffuser Having Spheroid Geometry App 20130201680 - Allen; Gary Robert ; et al. | 2013-08-08 |
| High efficiency glass halogen lamp with interference coating Grant 8,461,754 - Chowdhury , et al. June 11, 2 | 2013-06-11 |
| Lighting Apparatus With A Light Source Comprising Light Emitting Diodes App 20130021794 - CHINNIAH; JEYACHANDRABOSE ; et al. | 2013-01-24 |
| Lamp Grant D660,991 - Allen , et al. May 29, 2 | 2012-05-29 |
| Oxide multilayers for high temperature applications and lamps Grant 8,179,030 - Chowdhury May 15, 2 | 2012-05-15 |
| Transparent Thermally Conductive Polymer Composites For Light Source Thermal Management App 20110169394 - Chowdhury; Ashfaqul Islam ; et al. | 2011-07-14 |
| High Efficiency Glass Halogen Lamp With Interference Coating App 20110148272 - Chowdhury; Ashfaqul Islam ; et al. | 2011-06-23 |
| Oxide Multilayers For High Temperature Applications And Lamps App 20110127899 - CHOWDHURY; Ashfaqul Islam | 2011-06-02 |
| High temperature seal for electric lamp Grant 7,759,871 - Chowdhury , et al. July 20, 2 | 2010-07-20 |
| High temperature seal for electric lamp App 20070138962 - Chowdhury; Ashfaqul Islam ; et al. | 2007-06-21 |
| Optimal silicon dioxide protection layer thickness for silver lamp reflector App 20050023983 - Israel, Rajasingh ; et al. | 2005-02-03 |
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