JENOPTIK JENA G.M.B.H.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5094727 Electrolyte for producing conversion coatingsApr 25, 91Mar 10, 92[C25D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5075178 Black surface layer on light metalExpiredJan 07, 90Dec 24, 91[B32B]
5035781 Electrolyte for the production of black surface layers on light metalsExpiredMay 24, 90Jul 30, 91[B23H]
5006981 System bus expansion for coupling multimaster-capable multicomputer systemsExpiredNov 08, 88Apr 09, 91[G06F]
4879684 Write-read circuitExpiredMar 16, 88Nov 07, 89[G11C]
4843256 Controlled CMOS substrate voltage generatorExpiredNov 13, 87Jun 27, 89[H03L, H03K]
4739167 Device for synchronous modulation, synchronous light-path switch-over and control-signal derivation for step-drive controlled modulation and switch-over devicesExpiredJun 18, 86Apr 19, 88[G02B]
4734724 Method and arrangement for the automatic control of aerial photographic camerasExpiredAug 22, 86Mar 29, 88[G03B]
4696009 Method and arrangement for producing ultrashort light pulsesExpiredNov 25, 85Sep 22, 87[H01S]
4691110 Laser spectral fluorometerExpiredMar 25, 85Sep 01, 87[F21V, G01N]
4660976 Method and device for electrothermal atomization of a sample materialExpiredMay 01, 84Apr 28, 87[G01N]
4656408 Xy-surface drive having limited .phi.-rotation and z-movementExpiredNov 21, 84Apr 07, 87[G05B]
4634234 Front lens group for immersion microscope objective in BD versions of high apertureExpiredAug 29, 84Jan 06, 87[G02B]
4634387 Device for simulating the movements of and representing rotation symmetrical bodiesExpiredSep 04, 85Jan 06, 87[G09B]
4633090 Method and apparatus for particle irradiation of a targetExpiredMay 31, 84Dec 30, 86[H01J]
4597645 Condenser lens system for microscopesExpiredMar 24, 82Jul 01, 86[G02B]
4583847 Mounting table for wafersExpiredJul 16, 84Apr 22, 86[G03B]
4580167 Device for and method of producing photographs of controlled contrastExpiredSep 20, 83Apr 01, 86[H04N]
4575232 Method for producing rectified and superimposed images from multispectral photographsExpiredJun 08, 84Mar 11, 86[G03B]
4571083 Standing wave interferometer for measuring optical path differencesExpiredFeb 28, 83Feb 18, 86[G01B]
4547041 Arrangement for optical path length variationExpiredOct 16, 81Oct 15, 85[G02B]

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