OPTICAL TECHNOLOGIES ITALIA S.P.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 3202

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6612752 Sealed container for optical components and sealed feedthrough for optical fibersJun 29, 01Sep 02, 03[G02B]
6553163 Method and apparatus for writing a Bragg grating in a waveguideMar 29, 01Apr 22, 03[G02B]
5218665 Double core, active fiber optical amplifier having a wide band signal wavelengthSep 30, 92Jun 08, 93[G02B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6556346 Optical amplifying unit and optical transmission systemExpiredSep 21, 99Apr 29, 03[H01S]
6519080 Optical amplifier and optical transmission systemExpiredFeb 28, 01Feb 11, 03[H01S]
6373617 Optical system having optical control beamExpiredDec 17, 99Apr 16, 02[G02F]
6370167 Double-passage acousto-optical device and laserExpiredSep 28, 99Apr 09, 02[H01S, G02F]
2002/0015,560 Coupling system between an optical fibre and an optical deviceAbandonedJun 22, 01Feb 07, 02[G02B]
2002/0001,429 OPTICAL SWITCHAbandonedApr 02, 99Jan 03, 02[G02B]
6282332 Waveguide structures in particular for use in acousto-optical mode converters and method for making sameExpiredJun 03, 99Aug 28, 01[G02F]
6264372 Polarization-maintaining connectorExpiredJul 07, 00Jul 24, 01[G02B]
6195476 Acousto-optic devices having an acoustic attenuator structureExpiredJan 28, 00Feb 27, 01[G02B]
6181466 Unequal couplers for multimode pumping optical amplifiersExpiredAug 21, 98Jan 30, 01[G02B, H01S]
6167170 Optical switching deviceExpiredJun 12, 98Dec 26, 00[G02B, H04J]
6064787 Enhanced isolation digital optical switchExpiredAug 05, 98May 16, 00[G02B]
5850491 Double-stage acousto-optical waveguide device, having polarization-independent responseExpiredFeb 03, 97Dec 15, 98[G02F]
5850492 Acousto-optical waveguide device with compensation of polarization mode dispersionExpiredNov 06, 96Dec 15, 98[G02B]
5818980 Polarization-independent, tunable, acousto-optical waveguide device for the wavelength selection of an optical signalExpiredMar 04, 97Oct 06, 98[G02B]
5796764 Rare-earth doped lithium niobate DBR laserExpiredDec 05, 96Aug 18, 98[G02B, H01S, H04J]
5796882 Acousto-optical waveguide device, tunable, with a polarization independent response, and a method for the acousto-optical processing of optical signalsExpiredJul 12, 96Aug 18, 98[G02B]
5781669 Acoustooptical waveguide device for wavelength selection and process for making sameExpiredApr 01, 96Jul 14, 98[H01L, G02F]
5748364 Amplified telecommunication system for wavelength-division multiplexing transmissionsExpiredJan 29, 97May 05, 98[H01S]
5748810 Acousto-optical tunable waveguide switch having balanced optical pathsExpiredOct 01, 96May 05, 98[G02B]

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