Inventor

KERSTEN RALF

16 patents

⚠️ This page may combine multiple inventors who share the name “KERSTEN RALF”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SIEMENS AG

12 patents

US4165225AAug 21, 1979

Coupling arrangements between light conductive fibers and between light conductive fibers and terminal equipment

SIEMENS AG21 citations81

US3970360AJul 20, 1976

Wave-guide structure with a multi-layer system and methods for producing same

SIEMENS AG26 citations79

US4142877AMar 6, 1979

Method for making output/input coupler for multi-mode glass fibers

SIEMENS AG17 citations74

US4134640AJan 16, 1979

Output/input coupler for multi-mode glass fibers

SIEMENS AG16 citations74

US4145457AMar 20, 1979

Method for the production of optical directional couplers

SIEMENS AG15 citations73

US4139259AFeb 13, 1979

Light distributor for optical communication systems

SIEMENS AG17 citations73

US4103987AAug 1, 1978

Device for connecting two groups of glass fibers

SIEMENS AG9 citations73

US4136439AJan 30, 1979

Method for the production of a light conductor structure with interlying electrodes

SIEMENS AG6 citations63

US4080244AMar 21, 1978

Method for the production of a light conducting structure with interlying electrodes

SIEMENS AG3 citations63

SCHOTT GLASWERKE

4 patents

US5480687AJan 2, 1996

Optical waveguide with a substantially planar substrate and process for its production

SCHOTT GLASWERKE84 citations95

US5369722ANov 29, 1994

Optical inorganic waveguide with a substantially planar organic substrate

SCHOTT GLASWERKE66 citations95

US4851025AJul 25, 1989

Process for producing a planar optical waveguide

SCHOTT GLASWERKE16 citations71

US4859222AAug 22, 1989

Method for the manufacture of a light wave guide

SCHOTT GLASWERKE18 citations70

KERSTEN RALF

SIEMENS AG

Distributor for optical signals

Method for making output/input coupler for multi-mode glass fibers

Process for forming the connection between two groups of glass fibers

Coupling arrangements between light conductive fibers and between light conductive fibers and terminal equipment

Wave-guide structure with a multi-layer system and methods for producing same

Method for making output/input coupler for multi-mode glass fibers

Output/input coupler for multi-mode glass fibers

Method for the production of optical directional couplers

Light distributor for optical communication systems

Device for connecting two groups of glass fibers

Method for the production of a light conductor structure with interlying electrodes

Method for the production of a light conducting structure with interlying electrodes

SCHOTT GLASWERKE

Optical waveguide with a substantially planar substrate and process for its production

Optical inorganic waveguide with a substantially planar organic substrate

Process for producing a planar optical waveguide

Method for the manufacture of a light wave guide