OPTICAL TECHNOLOGIES U.S.A. CORP.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION389
 
  
 
H04B TRANSMISSION 2208
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
H04J MULTIPLEX COMMUNICATION 1124

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6359728 Pump device for pumping an active fiber of an optical amplifier and corresponding optical amplifierSep 21, 99Mar 19, 02[H01S]
6181429 Interferometer for measurements of optical properties in bulk samplesDec 22, 98Jan 30, 01[G01B]
6160660 Bidirectional optical transmission system for dense interleaved wavelength division multiplexingDec 30, 98Dec 12, 00[H01S]
5943147 Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratioMar 20, 98Aug 24, 99[H04B]
5793508 Wavelength-division multiplexing telecommunication system and method providing a controlled separation of the output channelsJul 03, 96Aug 11, 98[H04J]
5777766 Method and device for optically recovering the synchronism of an optical digital signalOct 30, 96Jul 07, 98[H04B]
5381426 Active-mode-locking optical-fiber laser generatorJan 12, 94Jan 10, 95[H01S]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6542269 Optical device for processing an optical impulseExpiredSep 16, 99Apr 01, 03[H04J]
6483629 Optical window signal generatorExpiredDec 22, 98Nov 19, 02[G02B, H01S]
6332722 Method for optically connecting optical components in an optoelectronic rig, and optoelectronic rig constructed according to this methodExpiredJul 31, 98Dec 25, 01[G02B]
6320692 Biasing system for an optical modulator with double outputExpiredNov 24, 99Nov 20, 01[G02B, G02F]
6313701 External optical modulation system comprising a predistorterExpiredNov 12, 99Nov 06, 01[H03F]
2001/0024,542 Method and device for dropping optical channels in an optical transmission systemAbandonedDec 08, 00Sep 27, 01[G02B]
6295149 System and method of telecommunication with wavelength division multiplexing comprising a demultiplexerExpiredJan 13, 98Sep 25, 01[H04J]
6295161 Twin coupler with mode scrambling for multimode pumping of optical amplifiersExpiredFeb 05, 99Sep 25, 01[H04B, H01S]
6292280 Optical device and a method of processing a digital optical signal in parallel and in free spaceExpiredJun 12, 98Sep 18, 01[G06E]
6275311 Optical device for processing an optical digital signalExpiredJun 30, 98Aug 14, 01[H04B]
6269212 Method for performing fixing inside a container for optical connection componentsExpiredSep 17, 98Jul 31, 01[G02B]
6259552 Optical wavelength converterExpiredMay 04, 00Jul 10, 01[G02F]
6259555 Multi-band amplification system for dense wavelength division multiplexingExpiredJan 31, 00Jul 10, 01[H04B, H01S, H04J]
6088501 Apparatus and method for protecting optical-fiber devicesExpiredFeb 28, 97Jul 11, 00[G02B]
5995259 Bidirectional optical telecommunication system comprising a bidirectional optical amplifierExpiredJan 16, 96Nov 30, 99[H04J]
5943151 Mehtod of selectively compensating for the chromatic dispersion of optical signalsExpiredFeb 28, 97Aug 24, 99[H04B]
5915061 Apparatus and method for housing optical componentsExpiredMar 24, 97Jun 22, 99[G02B]
5898812 Apparatus and method for housing high heat emission electro-optical componentsExpiredMar 24, 97Apr 27, 99[G02B]
5808762 Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratioExpiredApr 25, 97Sep 15, 98[H04J]
5712716 Telecommunication system and method for wavelength-division multiplexing transmissions with a controlled separation of the outgoing channels and capable of determining the optical signal/noise ratioExpiredNov 20, 95Jan 27, 98[H04J]

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