Kersten; Ralf

Patent Applications and Registrations

Patent applications and USPTO patent grants for Kersten; Ralf.The latest application filed is for "optical waveguide with a substantially planar substrate and process for its production".

Company Profile

0.13.0

Kersten; Ralf - Bremthal DE
Kersten; Ralf - Rottach-Egern DE
Kersten; Ralf - Munich DT

*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 with a substantially planar substrate and process for its production Grant 5,480,687 - Heming , et al. January 2, 1	1996-01-02
Optical inorganic waveguide with a substantially planar organic substrate Grant 5,369,722 - Heming , et al. November 29, 1	1994-11-29
Method for the manufacture of a light wave guide Grant 4,859,222 - Bauch , et al. August 22, 1	1989-08-22
Process for forming the connection between two groups of glass fibers Grant 4,220,619 - Kersten September 2, 1	1980-09-02
Distributor for optical signals Grant 4,165,225 - Auracher , et al. August 21, 1	1979-08-21
Method for the production of optical directional couplers Grant 4,145,457 - Kersten March 20, 1	1979-03-20
Method for making output/input coupler for multi-mode glass fibers Grant 4,142,877 - Auracher , et al. March 6, 1	1979-03-06
Light distributor for optical communication systems Grant 4,139,259 - Kersten , et al. February 13, 1	1979-02-13
Method for the production of a light conductor structure with interlying electrodes Grant 4,136,439 - Auracher , et al. January 30, 1	1979-01-30
Device for connecting two groups of glass fibers Grant 4,103,987 - Kersten August 1, 1	1978-08-01
Method for making output/input coupler for multi-mode glass fibers Grant 4,089,583 - Auracher , et al. May 16, 1	1978-05-16
Wave-guide structure with a multi-layer system and methods for producing same Grant 3,970,360 - Kersten , et al. July 20, 1	1976-07-20
Coupling arrangements between light conductive fibers and between light conductive fibers and terminal equipment Grant 3,936,142 - Kersten February 3, 1	1976-02-03

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