Chowdhury; Aref
Patent Applications and Registrations
Patent applications and USPTO patent grants for Chowdhury; Aref.The latest application filed is for "optical spatial division multiplexing usable at short reach".
Company Profile
2.40.35
- Chowdhury; Aref - Berkeley Heights NJ
- Chowdhury; Aref - Springfield NJ US
- Chowdhury; Aref - Union County NJ
- Chowdhury; Aref - Madison WI
Patent Activity
| Patent | Date |
|---|---|
| Group III-nitride layers with patterned surfaces Grant RE47,767 - Chowdhury , et al. Dec | 2019-12-17 |
| Communication system for connecting network hosts Grant 10,200,144 - Chowdhury , et al. Fe | 2019-02-05 |
| Optical spatial division multiplexing usable at short reach Grant 10,075,257 - Chowdhury , et al. September 11, 2 | 2018-09-11 |
| Hybrid optical switch for software-defined networking Grant 9,712,899 - Weldon , et al. July 18, 2 | 2017-07-18 |
| Optical Spatial Division Multiplexing Usable At Short Reach App 20170201341 - Chowdhury; Aref ; et al. | 2017-07-13 |
| Hybrid Optical Switch For Software-defined Networking App 20160173964 - Weldon; Marcus ; et al. | 2016-06-16 |
| Energy-management in a user-premises area network Grant 9,363,103 - Chowdhury June 7, 2 | 2016-06-07 |
| Optical wavelength-selective switch with a bank of wavelength convertors Grant 9,319,757 - Chowdhury , et al. April 19, 2 | 2016-04-19 |
| Reducing crosstalk in optical wavelength converters Grant 9,054,807 - Chowdhury , et al. June 9, 2 | 2015-06-09 |
| Optical Wavelength-Selective Switch With A Bank Of Wavelength Convertors App 20140177658 - Chowdhury; Aref ; et al. | 2014-06-26 |
| Energy-management In A User-premises Area Network App 20130344875 - Chowdhury; Aref | 2013-12-26 |
| Method employing multiferroic materials for tunable permittivity or permeability Grant 8,615,150 - Chowdhury , et al. December 24, 2 | 2013-12-24 |
| Group III-nitride layers with patterned surfaces Grant 8,613,860 - Chowdhury , et al. December 24, 2 | 2013-12-24 |
| DNA structures on ferroelectrics and semiconductors Grant 8,569,042 - Chowdhury , et al. October 29, 2 | 2013-10-29 |
| Asymmetric long-haul transmission paths with optical phase conjugation Grant 8,396,372 - Chowdhury , et al. March 12, 2 | 2013-03-12 |
| Employing Multiferroic Materials For Tunable Permittivity Or Permeability App 20120314987 - Chowdhury; Aref ; et al. | 2012-12-13 |
| Apparatus employing multiferroic materials for tunable permittivity or permeability Grant 8,280,210 - Chowdhury , et al. October 2, 2 | 2012-10-02 |
| Group III-Nitride Layers With Patterned Surfaces App 20120028448 - Chowdhury; Aref ; et al. | 2012-02-02 |
| Group III-nitride layers with patterned surfaces Grant 8,070,966 - Chowdhury , et al. December 6, 2 | 2011-12-06 |
| Surface-plasmon-assisted optical frequency conversion Grant 8,005,331 - Blumberg , et al. August 23, 2 | 2011-08-23 |
| Surface-plasmon-assisted Optical Frequency Conversion App 20110128614 - Blumberg; Girsh ; et al. | 2011-06-02 |
| Surface-plasmon-assisted optical frequency conversion Grant 7,920,766 - Blumberg , et al. April 5, 2 | 2011-04-05 |
| Multiferroic Materials For Tunable Permittivity Or Permeability App 20110008008 - Chowdhury; Aref ; et al. | 2011-01-13 |
| Chirped metamaterials Grant 7,848,026 - Chowdhury , et al. December 7, 2 | 2010-12-07 |
| Cloaking device detection system Grant 7,795,596 - Chowdhury September 14, 2 | 2010-09-14 |
| Surface-plasmon-assisted Optical Frequency Conversion App 20100202728 - Blumberg; Girsh ; et al. | 2010-08-12 |
| Negative refractive index device for generating terahertz or microwave radiation and method of operation thereof Grant 7,745,790 - Chowdhury , et al. June 29, 2 | 2010-06-29 |
| Conductive Polymer Metamaterials App 20100086750 - Blumberg; Girsh ; et al. | 2010-04-08 |
| Audio Noise Cancellation System App 20100054490 - Chowdhury; Aref | 2010-03-04 |
| Chirped Metamaterials App 20100053763 - Chowdhury; Aref ; et al. | 2010-03-04 |
| Nonlinear optical devices based on metamaterials Grant 7,586,670 - Chowdhury , et al. September 8, 2 | 2009-09-08 |
| Cloaking device detection system App 20090173886 - Chowdhury; Aref | 2009-07-09 |
| Processes and systems involving optical phase conjugators Grant 7,558,485 - Chowdhury , et al. July 7, 2 | 2009-07-07 |
| Group III-Nitride layers with patterned surfaces App 20090139957 - Chowdhury; Aref ; et al. | 2009-06-04 |
| Negative Refractive Index Device for Generating Terahertz or Microwave Radiation and Method of Operation Thereof App 20090127472 - Chowdhury; Aref ; et al. | 2009-05-21 |
| Group III-nitride layers with patterned surfaces Grant 7,468,578 - Chowdhury , et al. December 23, 2 | 2008-12-23 |
| Low total excursion dispersion maps Grant 7,454,144 - Chowdhury , et al. November 18, 2 | 2008-11-18 |
| Polarization-diverse optical amplification Grant 7,433,117 - Chowdhury , et al. October 7, 2 | 2008-10-07 |
| Low Total Excursion Dispersion Maps App 20070286607 - Chowdhury; Aref ; et al. | 2007-12-13 |
| Nonlinear optical devices based on metamaterials App 20070263278 - Chowdhury; Aref ; et al. | 2007-11-15 |
| Polarization-diverse optical amplification App 20070253055 - Chowdhury; Aref ; et al. | 2007-11-01 |
| Low total excursion dispersion maps Grant 7,280,765 - Chowdhury , et al. October 9, 2 | 2007-10-09 |
| Reducing crosstalk in free-space optical communications Grant 7,266,257 - Chowdhury , et al. September 4, 2 | 2007-09-04 |
| Polarization-diverse negative-refractive-index apparatus and methods App 20070041733 - Chowdhury; Aref | 2007-02-22 |
| Reducing crosstalk in optical wavelength converters App 20060269292 - Chowdhury; Aref ; et al. | 2006-11-30 |
| Group III-nitride layers with patterned surfaces App 20060220525 - Chowdhury; Aref ; et al. | 2006-10-05 |
| DNA structures on ferroelectrics and semiconductors App 20060210993 - Chowdhury; Aref ; et al. | 2006-09-21 |
| Optical frequency-converters based on group III-nitrides Grant 7,099,073 - Chowdhury , et al. August 29, 2 | 2006-08-29 |
| Group III-nitride layers with patterned surfaces Grant 7,084,563 - Chowdhury , et al. August 1, 2 | 2006-08-01 |
| Electro-optic devices having flattened frequency response with reduced drive voltage Grant 7,079,714 - Chowdhury , et al. July 18, 2 | 2006-07-18 |
| Asymmetric long-haul transmission paths with optical phase conjugation App 20060045541 - Chowdhury; Aref ; et al. | 2006-03-02 |
| Group III-nitride layers with patterned surfaces Grant 6,986,693 - Chowdhury , et al. January 17, 2 | 2006-01-17 |
| Group III-nitride layers with patterned surfaces App 20050269593 - Chowdhury, Aref ; et al. | 2005-12-08 |
| Optical wavelength-conversion App 20050244159 - Chowdhury, Aref ; et al. | 2005-11-03 |
| Method and apparatus for generating a sequence of optical wavelength bands Grant 6,856,450 - Chowdhury , et al. February 15, 2 | 2005-02-15 |
| Thin film lithium niobate and method of producing the same Grant 6,846,428 - McCaughan , et al. January 25, 2 | 2005-01-25 |
| Low total excursion dispersion maps App 20040234272 - Chowdhury, Aref ; et al. | 2004-11-25 |
| Processes and systems involving optical phase conjugators App 20040234274 - Chowdhury, Aref ; et al. | 2004-11-25 |
| Process for optical communication and system for same App 20040234275 - Chowdhury, Aref ; et al. | 2004-11-25 |
| Group III-nitride layers with patterned surfaces App 20040189173 - Chowdhury, Aref ; et al. | 2004-09-30 |
| Electro-optic devices having flattened frequency response with reduced drive voltage App 20040136634 - Chowdhury, Aref ; et al. | 2004-07-15 |
| Optical frequency-converters based on group III-nitrides App 20040061074 - Chowdhury, Aref ; et al. | 2004-04-01 |
| Method and apparatus for generating a sequence of optical wavelength bands App 20030193710 - Chowdhury, Aref ; et al. | 2003-10-16 |
| Electro-optic optical elements Grant 6,545,791 - McCaughan , et al. April 8, 2 | 2003-04-08 |
| Thin film lithium niobate and method of producing the same App 20020182322 - McCaughan, Leon ; et al. | 2002-12-05 |
| Method and apparatus for wavelength conversion and switching Grant 6,433,919 - Chowdhury , et al. August 13, 2 | 2002-08-13 |
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