Assignee
INSTRUMENTS SA
FR·37 granted patents·881 citations·filing 1976–1998
Top patents by PatentIndex Score
37 records- 0191US5080465ADiffraction grating and method of makingINSTRUMENTS SA·Filed 1989·Granted Jan 14, 1992·78 cites·24 claims
- 0287US4498416AInstallation for treatment of materials for the production of semi-conductorsINSTRUMENTS SA·Filed 1983·Granted Feb 12, 1985·73 cites·1 claims
- 0384US4622662AWavelength-selective multiplexer-demultiplexerINSTRUMENTS SA·Filed 1984·Granted Nov 11, 1986·54 cites·19 claims
- 0483US4571074ASpectrometry device for analyzing polychromatic lightINSTRUMENTS SA·Filed 1982·Granted Feb 18, 1986·39 cites·10 claims
- 0582US4819224AWavelength multiplexer-demultiplexer corrected of geometric and chromatic aberrationsINSTRUMENTS SA·Filed 1986·Granted Apr 4, 1989·47 cites·18 claims
- 0682US4583820AWavelength multiplexer/demultiplexer using optical fibersINSTRUMENTS SA·Filed 1982·Granted Apr 22, 1986·47 cites·11 claims
- 0782US4484793ASwitching device between optical fibersINSTRUMENTS SA·Filed 1982·Granted Nov 27, 1984·38 cites·5 claims
- 0881US5838848AN×N wavelength router, optical routing method and associated communication networkINSTRUMENTS SA·Filed 1997·Granted Nov 17, 1998·69 cites·14 claims
- 0976US4836634AWavelength multiplexer/demultiplexer using optical fibersINSTRUMENTS SA·Filed 1987·Granted Jun 6, 1989·36 cites·5 claims
- 1074US4068954AMonochromator having a concave holographic gratingINSTRUMENTS SA·Filed 1976·Granted Jan 17, 1978·23 cites·6 claims
- 1173US4087183ASpectrographINSTRUMENTS SA·Filed 1976·Granted May 2, 1978·24 cites·3 claims
- 1271US4271100AApparatus for producing an aerosol jetINSTRUMENTS SA·Filed 1980·Granted Jun 2, 1981·34 cites·1 claims
- 1369US4675860ACompact wavelength multiplexer-demultiplexer with variable filtrationINSTRUMENTS SA·Filed 1983·Granted Jun 23, 1987·27 cites·12 claims
- 1463US5898500ADevice and method for three-dimensional measurements and observation in situ of a surface layer deposited on a thin-film stackINSTRUMENTS SA·Filed 1997·Granted Apr 27, 1999·38 cites·12 claims
- 1563US4337415AHigh frequency inductive generator for the inductive coil of a plasma generatorINSTRUMENTS SA·Filed 1980·Granted Jun 29, 1982·19 cites·3 claims
- 1663US4204638AProcess of coding a card with a diffraction grating having lines with irregular spacingINSTRUMENTS SA·Filed 1979·Granted May 27, 1980·15 cites·6 claims
- 1755US6160933AOptical fiber wavelength multiplexer-demultiplexerINSTRUMENTS SA·Filed 1998·Granted Dec 12, 2000·17 cites·11 claims
- 1853US6014482ASelective optical device and wavelength multiplexer-demultiplexerINSTRUMENTS SA·Filed 1998·Granted Jan 11, 2000·16 cites·25 claims
- 1953US5991482AOptic wavelength dispersing systemINSTRUMENTS SA·Filed 1997·Granted Nov 23, 1999·16 cites·21 claims
- 2052US5666200AMethod of ellipsometric measurement, an ellipsometer and device for controlling the carrying out of layers using such method and apparatusINSTRUMENTS SA·Filed 1996·Granted Sep 9, 1997·24 cites·10 claims
- 2150US4857730AApparatus and method for local chemical analyses at the surface of solid materials by spectroscopy of X photoelectronsINSTRUMENTS SA·Filed 1987·Granted Aug 15, 1989·7 cites·19 claims
- 2250US4544232ACoupling-extracting device for optical signalINSTRUMENTS SA·Filed 1982·Granted Oct 1, 1985·11 cites·15 claims
- 2349US4470910AChromatographic apparatus and process for its useINSTRUMENTS SA·Filed 1983·Granted Sep 11, 1984·18 cites·10 claims
- 2448US4298845ADye lasersINSTRUMENTS SA·Filed 1979·Granted Nov 3, 1981·6 cites·3 claims
- 2547US4191474ASpectrograph for an extended spectral field in which partial planar diffraction spectra are successively formed in the same planeINSTRUMENTS SA·Filed 1978·Granted Mar 4, 1980·10 cites·1 claims
- 2645US4645344AOptical device for an emission spectrometerINSTRUMENTS SA·Filed 1985·Granted Feb 24, 1987·10 cites·5 claims
- 2744US5939648ASystem and method of introducing a sample for analytical atomic spectrometry allowing concomitant analysis of mercuryINSTRUMENTS SA·Filed 1996·Granted Aug 17, 1999·20 cites·24 claims
- 2842US4842353ADiffraction apparatus with correcting grating and method of makingINSTRUMENTS SA·Filed 1985·Granted Jun 27, 1989·9 cites·25 claims
- 2940US5726438ALuminous flux measuring device with a gain-controlling slave circuit enabling the device to rapidly adapt to changes in fluxINSTRUMENTS SA·Filed 1996·Granted Mar 10, 1998·5 cites·15 claims
- 3039US5808765AMultiplexer-demultiplexer for optical wavelengthsINSTRUMENTS SA·Filed 1996·Granted Sep 15, 1998·7 cites·12 claims
- 3139US5002393ALow noise optical systemINSTRUMENTS SA·Filed 1989·Granted Mar 26, 1991·10 cites·10 claims
- 3239US4591237ACoupler extracting an optical signalINSTRUMENTS SA·Filed 1983·Granted May 27, 1986·6 cites·5 claims
- 3338US4063818AMonochromator having a toroidal holographic diffraction grating and utilizable in the ultraviolet bandINSTRUMENTS SA·Filed 1976·Granted Dec 20, 1977·7 cites·1 claims
- 3436US5114231ASpectroscopic analysis deviceINSTRUMENTS SA·Filed 1990·Granted May 19, 1992·13 cites·12 claims
- 3530US6157764AOptic fiber wavelength multiplexer-demultiplexerINSTRUMENTS SA·Filed 1998·Granted Dec 5, 2000·0 cites·6 claims
- 3625US5889586ASystem of photodetection and associated process for analyzing a luminous fluxINSTRUMENTS SA·Filed 1997·Granted Mar 30, 1999·4 cites·9 claims
- 3719US4351643AMethod for concentrating a low-concentration element in a solutionINSTRUMENTS SA·Filed 1980·Granted Sep 28, 1982·4 cites·8 claims
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