Inventor · disambiguated record
Hans Dammann
Also filed as: DAMMANN HANS · DAMMANN HANS O B
16 granted patents·523 citations·filing 1975–1991
95Inventor score
Files withPHILIPS CORP16
Top patents by PatentIndex Score
16 records- 0190US4748614AOptical wavelength-multiplexing and/or demultiplexing devicePHILIPS CORP·Filed 1983·Granted May 31, 1988·67 cites·8 claims
- 0288US5029243ADevice for working a workpiece using laser lightPHILIPS CORP·Filed 1989·Granted Jul 2, 1991·56 cites·16 claims
- 0387US5240550AMethod of forming at least one groove in a substrate layerPHILIPS CORP·Filed 1991·Granted Aug 31, 1993·106 cites·17 claims
- 0487US4277138ADiffraction grating and system for the formation of color componentsPHILIPS CORP·Filed 1979·Granted Jul 7, 1981·48 cites·11 claims
- 0580US4626069AOptical power dividerPHILIPS CORP·Filed 1980·Granted Dec 2, 1986·38 cites·11 claims
- 0679US4362359ACoupling device for coupling signals into and out of a transmission glass-fiberPHILIPS CORP·Filed 1980·Granted Dec 7, 1982·45 cites·2 claims
- 0768US4679901ACompound optical phase grating and optical switchPHILIPS CORP·Filed 1985·Granted Jul 14, 1987·24 cites·5 claims
- 0865US5058971APlanar optical isolatorPHILIPS CORP·Filed 1990·Granted Oct 22, 1991·35 cites·12 claims
- 0963US4859014ANon-reciprocal optical waveguide device, particularly for use as an isolator or circulatorPHILIPS CORP·Filed 1988·Granted Aug 22, 1989·23 cites·8 claims
- 1060US4859013AMagneto-optical waveguide device with artificial optical anisotropyPHILIPS CORP·Filed 1987·Granted Aug 22, 1989·20 cites·14 claims
- 1153US4159164AMethod of eliminating errors in images derived from patterns which consist of periodically arranged individual imagesPHILIPS CORP·Filed 1977·Granted Jun 26, 1979·12 cites·2 claims
- 1252US4712855APlanar optical waveguide and method of manufacturing samePHILIPS CORP·Filed 1986·Granted Dec 15, 1987·16 cites·20 claims
- 1345US4776669AOptical path sensor including a filterPHILIPS CORP·Filed 1986·Granted Oct 11, 1988·8 cites·9 claims
- 1444US4798434AOptical polarization regulator having a wave-guide structurePHILIPS CORP·Filed 1987·Granted Jan 17, 1989·11 cites·18 claims
- 1543US4746182APhase-matched magnetooptical mode converterPHILIPS CORP·Filed 1986·Granted May 24, 1988·10 cites·16 claims
- 1634US3969017AMethod of image enhancementPHILIPS CORP·Filed 1975·Granted Jul 13, 1976·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →