Inventor · disambiguated record
Ralf Kersten
Also filed as: KERSTEN RALF · KERSTEN RALF T
24 granted patents·689 citations·filing 1974–1995
97Inventor score
Top patents by PatentIndex Score
24 records- 0192US5017404APlasma CVD process using a plurality of overlapping plasma columnsSCHOTT GLASWERKE·Filed 1989·Granted May 21, 1991·119 cites·34 claims
- 0291US5030475APlasma-enhanced CVD coating processSCHOTT GLASWERKE·Filed 1989·Granted Jul 9, 1991·64 cites·22 claims
- 0389US5480687AOptical waveguide with a substantially planar substrate and process for its productionSCHOTT GLASWERKE·Filed 1995·Granted Jan 2, 1996·84 cites·35 claims
- 0487US5369722AOptical inorganic waveguide with a substantially planar organic substrateSCHOTT GLASWERKE·Filed 1992·Granted Nov 29, 1994·66 cites·61 claims
- 0575US4975103AProcess for producing a planar glass substrate coated with a dielectric layer systemSCHOTT GLASWERKE·Filed 1989·Granted Dec 4, 1990·22 cites·6 claims
- 0675US4220619AProcess for forming the connection between two groups of glass fibersSIEMENS AG·Filed 1978·Granted Sep 2, 1980·20 cites·2 claims
- 0773US5062508ACvd coating process for producing coatings and apparatus for carrying out the processSCHOTT GLASWERKE·Filed 1989·Granted Nov 5, 1991·25 cites·16 claims
- 0873US4165225ADistributor for optical signalsSIEMENS AG·Filed 1978·Granted Aug 21, 1979·25 cites·4 claims
- 0973US4089583AMethod for making output/input coupler for multi-mode glass fibersSIEMENS AG·Filed 1977·Granted May 16, 1978·24 cites·8 claims
- 1071US3970360AWave-guide structure with a multi-layer system and methods for producing sameSIEMENS AG·Filed 1975·Granted Jul 20, 1976·26 cites·9 claims
- 1167US4142877AMethod for making output/input coupler for multi-mode glass fibersSIEMENS AG·Filed 1978·Granted Mar 6, 1979·17 cites·4 claims
- 1267US3936142ACoupling arrangements between light conductive fibers and between light conductive fibers and terminal equipmentSIEMENS AG·Filed 1974·Granted Feb 3, 1976·21 cites·23 claims
- 1366US4859222AMethod for the manufacture of a light wave guideSCHOTT GLASWERKE·Filed 1988·Granted Aug 22, 1989·18 cites·8 claims
- 1465US5563345ADevice for ultrasonic identification of fingerprintsJENOPTIK JENA GMBH·Filed 1994·Granted Oct 8, 1996·37 cites·7 claims
- 1564US4139259ALight distributor for optical communication systemsSIEMENS AG·Filed 1977·Granted Feb 13, 1979·17 cites·7 claims
- 1661US4134640AOutput/input coupler for multi-mode glass fibersSIEMENS AG·Filed 1977·Granted Jan 16, 1979·16 cites·13 claims
- 1758US4145457AMethod for the production of optical directional couplersSIEMENS AG·Filed 1978·Granted Mar 20, 1979·15 cites·10 claims
- 1855US4492425ADevice for deflecting light through 180 degreesSIEMENS AG·Filed 1982·Granted Jan 8, 1985·16 cites·19 claims
- 1953US4851025AProcess for producing a planar optical waveguideSCHOTT GLASWERKE·Filed 1987·Granted Jul 25, 1989·16 cites·9 claims
- 2050US4103987ADevice for connecting two groups of glass fibersSIEMENS AG·Filed 1975·Granted Aug 1, 1978·9 cites·11 claims
- 2147US4756734AMethods of making planar lightwave guidesSCHOTT GLASWERKE·Filed 1986·Granted Jul 12, 1988·13 cites·11 claims
- 2243US4136439AMethod for the production of a light conductor structure with interlying electrodesSIEMENS AG·Filed 1977·Granted Jan 30, 1979·6 cites·13 claims
- 2342US4765819AMethod for making planar lightwave guidesSCHOTT GLASWERKE·Filed 1986·Granted Aug 23, 1988·10 cites·7 claims
- 2434US4080244AMethod for the production of a light conducting structure with interlying electrodesSIEMENS AG·Filed 1977·Granted Mar 21, 1978·3 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →