Assignee
INSTRUMENTS SA
FR37 patents
Top patents by PatentIndex Score
US5838848ANov 17, 1998
N×N wavelength router, optical routing method and associated communication network
INSTRUMENTS SA69 citations96
US5080465AJan 14, 1992
Diffraction grating and method of making
INSTRUMENTS SA78 citations96
US4836634AJun 6, 1989
Wavelength multiplexer/demultiplexer using optical fibers
INSTRUMENTS SA36 citations92
US4819224AApr 4, 1989
Wavelength multiplexer-demultiplexer corrected of geometric and chromatic aberrations
INSTRUMENTS SA47 citations92
US4484793ANov 27, 1984
Switching device between optical fibers
INSTRUMENTS SA38 citations92
US4571074AFeb 18, 1986
Spectrometry device for analyzing polychromatic light
INSTRUMENTS SA39 citations91
US4675860AJun 23, 1987
Compact wavelength multiplexer-demultiplexer with variable filtration
INSTRUMENTS SA27 citations89
US4583820AApr 22, 1986
Wavelength multiplexer/demultiplexer using optical fibers
INSTRUMENTS SA47 citations89
US4271100AJun 2, 1981
Apparatus for producing an aerosol jet
INSTRUMENTS SA34 citations89
US4622662ANov 11, 1986
Wavelength-selective multiplexer-demultiplexer
INSTRUMENTS SA54 citations87
US4498416AFeb 12, 1985
Installation for treatment of materials for the production of semi-conductors
INSTRUMENTS SA73 citations87
US5898500AApr 27, 1999
Device and method for three-dimensional measurements and observation in situ of a surface layer deposited on a thin-film stack
INSTRUMENTS SA38 citations86
US5666200ASep 9, 1997
Method of ellipsometric measurement, an ellipsometer and device for controlling the carrying out of layers using such method and apparatus
INSTRUMENTS SA24 citations86
US6160933ADec 12, 2000
Optical fiber wavelength multiplexer-demultiplexer
INSTRUMENTS SA17 citations84
US6014482AJan 11, 2000
Selective optical device and wavelength multiplexer-demultiplexer
INSTRUMENTS SA16 citations84
US4068954AJan 17, 1978
Monochromator having a concave holographic grating
INSTRUMENTS SA23 citations82
US4087183AMay 2, 1978
Spectrograph
INSTRUMENTS SA24 citations77
US5991482ANov 23, 1999
Optic wavelength dispersing system
INSTRUMENTS SA16 citations74
US5808765ASep 15, 1998
Multiplexer-demultiplexer for optical wavelengths
INSTRUMENTS SA7 citations74
US4857730AAug 15, 1989
Apparatus and method for local chemical analyses at the surface of solid materials by spectroscopy of X photoelectrons
INSTRUMENTS SA7 citations74
US4544232AOct 1, 1985
Coupling-extracting device for optical signal
INSTRUMENTS SA11 citations74
US4204638AMay 27, 1980
Process of coding a card with a diffraction grating having lines with irregular spacing
INSTRUMENTS SA15 citations74
US4842353AJun 27, 1989
Diffraction apparatus with correcting grating and method of making
INSTRUMENTS SA9 citations72
US4645344AFeb 24, 1987
Optical device for an emission spectrometer
INSTRUMENTS SA10 citations72
US5939648AAug 17, 1999
System and method of introducing a sample for analytical atomic spectrometry allowing concomitant analysis of mercury
INSTRUMENTS SA20 citations71
US4337415AJun 29, 1982
High frequency inductive generator for the inductive coil of a plasma generator
INSTRUMENTS SA19 citations69
US4191474AMar 4, 1980
Spectrograph for an extended spectral field in which partial planar diffraction spectra are successively formed in the same plane
INSTRUMENTS SA10 citations68
US4063818ADec 20, 1977
Monochromator having a toroidal holographic diffraction grating and utilizable in the ultraviolet band
INSTRUMENTS SA7 citations67
US5002393AMar 26, 1991
Low noise optical system
INSTRUMENTS SA10 citations65
US5114231AMay 19, 1992
Spectroscopic analysis device
INSTRUMENTS SA13 citations63
US4591237AMay 27, 1986
Coupler extracting an optical signal
INSTRUMENTS SA6 citations63
US4298845ANov 3, 1981
Dye lasers
INSTRUMENTS SA6 citations63
US4470910ASep 11, 1984
Chromatographic apparatus and process for its use
INSTRUMENTS SA18 citations60
US5889586AMar 30, 1999
System of photodetection and associated process for analyzing a luminous flux
INSTRUMENTS SA4 citations55
US6157764ADec 5, 2000
Optic fiber wavelength multiplexer-demultiplexer
INSTRUMENTS SA0 citations52
US5726438AMar 10, 1998
Luminous flux measuring device with a gain-controlling slave circuit enabling the device to rapidly adapt to changes in flux
INSTRUMENTS SA5 citations50
US4351643ASep 28, 1982
Method for concentrating a low-concentration element in a solution
INSTRUMENTS SA4 citations45