AV

Ashish Madhukar Vengsarkar

AT AT&T: 31 patents #477 of 18,772Top 3%
CT Center For Innovative Technology: 4 patents #10 of 206Top 5%
FS Fs: 1 patents #5 of 23Top 25%
VU Virginia Polytechnic Institute And State University: 1 patents #31 of 165Top 20%
VP Virginia Tech Intellectual Properties: 1 patents #405 of 1,095Top 40%
📍 Allentown, PA: #29 of 1,150 inventorsTop 3%
🗺 Pennsylvania: #1,398 of 74,527 inventorsTop 2%
Overall (All Time): #99,507 of 4,157,543Top 3%
35
Patents All Time

Issued Patents All Time

Showing 1–25 of 35 patents

Patent #TitleCo-InventorsDate
6084996 Broadband long-period gratings Justin Boyd Judkins, Jefferson L. Wagener 2000-07-04
6078709 Method and apparatus for monitoring multi-wavelength optical systems Anatoli Anatolyevich Abramov, Arturo Hale, Joel Leslie Mock, Thomas Andrew Strasser 2000-06-20
6050109 Method for making long-period fiber gratings Sandra Greenberg Kosinski, Gregory A. Ten Eyck 2000-04-18
6011886 Recoatable temperature-insensitive long-period gratings Anatoli Anatolyevich Abramov, Arturo Hale 2000-01-04
5999671 Tunable long-period optical grating device and optical systems employing same Sungho Jin, Paul J. Lemaire 1999-12-07
5953471 Optical communication system having short period reflective Bragg gratings Rolando Patricio Espindola, Jefferson L. Wagener 1999-09-14
5907647 Long-period grating switches and devices using them Benjamin John Eggleton, Justin Boyd Judkins, Richart Elliott Slusher 1999-05-25
5828802 Self-tuning optical waveguide filter Rogers H. Stolen, Jau-Sheng Wang 1998-10-27
5802234 Dispersion compensating optical fiber, and communication system comprising same Jefferson L. Wagener 1998-09-01
5802236 Article comprising a micro-structured optical fiber, and method of making such fiber David J. DiGiovanni, Jefferson L. Wagener, Robert Scott Windeler 1998-09-01
5781673 WDM optical fiber communication system with improved dispersion compensation William Alfred Reed 1998-07-14
5764829 Optical signal shaping device for complex spectral shaping applications Justin Boyd Judkins, Janet Renee Pedrazzani 1998-06-09
5757540 Long-period fiber grating devices packaged for temperature stability Justin Boyd Judkins, Paul J. Lemaire 1998-05-26
5721796 Optical fiber cross connect with active routing for wavelength multiplexing and demultiplexing Miriam De Barros, Lars Erik Eskildsen, Gerald Nykolak, Torben N. Nielsen, Tawee Tanbun-Ek 1998-02-24
5717798 Optical waveguide system comprising a mode coupling grating and a mode discrimination coupler Thomas Andrew Strasser, Kenneth L. Walker 1998-02-10
5708669 Article comprising a cladding-pumped optical fiber laser David J. DiGiovanni 1998-01-13
5703978 Temperature insensitive long-period fiber grating devices David J. DiGiovanni, Justin Boyd Judkins, Janet Renee Pedrazzani, Kenneth L. Walker 1997-12-30
5668821 Optical systems and devices employing spectrally flattened amplified spontaneous emission Craig W. Hodgson 1997-09-16
5647039 Optical switching system and devices using a long period grating Justin Boyd Judkins, Andrew John Stentz 1997-07-08
5641956 Optical waveguide sensor arrangement having guided modes-non guided modes grating coupler Vikram Bhatia, Jonathan A. Greene, Kent A. Murphy 1997-06-24
5559907 Method of controlling polarization properties of a photo-induced device in an optical waveguide and method of investigating structure of an optical waveguide Daryl Inniss, Qian Zhong 1996-09-24
5550948 Method of determining changes in the refractive index of an optical waveguide Daryl Inniss, Qian Zhong 1996-08-27
5550940 Optical tapping filters employing long period gratings Kenneth L. Walker 1996-08-27
5528716 Method of determining and investigating the physical structure of a light guiding body Daryl Inniss, Qian Zhong 1996-06-18
5502786 Method of forming photo-induced device and product Daryl Inniss, Qian Zhong 1996-03-26