Vengsarkar; Ashish M.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Vengsarkar; Ashish M..The latest application filed is for "optical waveguide sensor arrangement having guided modes-non guided modes grating coupler".

Company Profile

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Vengsarkar; Ashish M. - Berkeley Heights NJ
Vengsarkar; Ashish M. - Chatham NJ
Vengsarkar; Ashish M. - Morris County NJ
Vengsarkar; Ashish M. - Allentown PA
Vengsarkar; Ashish M. - Scotch Plains NJ

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Optical waveguide sensor arrangement having guided modes-non guided modes grating coupler Grant 5,641,956 - Vengsarkar , et al. June 24, 1	1997-06-24
Method of controlling polarization properties of a photo-induced device in an optical waveguide and method of investigating structure of an optical waveguide Grant 5,559,907 - Inniss , et al. September 24, 1	1996-09-24
Optical tapping filters employing long period gratings Grant 5,550,940 - Vengsarkar , et al. August 27, 1	1996-08-27
Method of determining changes in the refractive index of an optical waveguide Grant 5,550,948 - Inniss , et al. August 27, 1	1996-08-27
Method for producing photoinduced bragg gratings by irradiating a hydrogenated glass body in a heated state Grant 5,478,371 - Lemaire , et al. December 26, 1	1995-12-26
Optical fiber system using tapered fiber devices Grant 5,473,714 - Vengsarkar December 5, 1	1995-12-05
Article comprising a dispersion-compensating optical waveguide Grant 5,448,674 - Vengsarkar , et al. September 5, 1	1995-09-05
Optical systems and devices using long period spectral shaping devices Grant 5,430,817 - Vengsarkar July 4, 1	1995-07-04
Mode-field transforming optical waveguide Grant 5,416,863 - Vengsarkar May 16, 1	1995-05-16
Extrinsic fiber optic displacement sensors and displacement sensing systems Grant 5,301,001 - Murphy , et al. April 5, 1	1994-04-05
Article comprising an optical waveguide containing a fluorescent dopant Grant 5,259,046 - DiGiovanni , et al. November 2, 1	1993-11-02

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