Hersch; Roger David

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hersch; Roger David.The latest application filed is for "synthesis of superposition shape images by light interacting with layers of lenslets".

Company Profile

1.5.6

Hersch; Roger David - Epalinges CH
Hersch; Roger-David - CH - 1066 Lausanne CH

*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
Synthesis of superpostion shape images by light interacting with superposed layers of lenslet gratings Grant 10,899,161 - Hersch , et al. January 26, 2	2021-01-26
Synthesis of superposition shape images by light interacting with layers of lenslets App 20170113481 - Hersch; Roger David ; et al.	2017-04-27
Reproduction of security documents and color images with metallic inks Grant 7,491,424 - Hersch , et al. February 17, 2	2009-02-17
Prediction model for color separation, calibration and control of printers Grant 7,423,778 - Hersch , et al. September 9, 2	2008-09-09
Images incorporating microstructures Grant 7,027,660 - Hersch , et al. April 11, 2	2006-04-11
Prediction model for color separation, calibration and control of printers App 20050083540 - Hersch, Roger David ; et al.	2005-04-21
Images incorporating microstructures App 20050052705 - Hersch, Roger David ; et al.	2005-03-10
Reproduction of security documents and color images with metallic inks App 20040233463 - Hersch, Roger David ; et al.	2004-11-25
Images and security documents protected by micro-structures App 20030021437 - Hersch, Roger David ; et al.	2003-01-30
Method and apparatus for generating halftone images by discrete one-to-one dither tile rotation Grant 5,422,742 - Ostromoukhov , et al. June 6, 1	1995-06-06

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