LANDREX TECHNOLOGIES CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H04N PICTORIAL COMMUNICATION, e.g. TELEVISION 3239
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS297

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6222630 Measuring and compensating for warp in the inspection of printed circuit board assembliesAug 26, 98Apr 24, 01[G01B]
5760893 Method and apparatus for inspecting component placement and solder connection in printed circuit board manufactureDec 24, 96Jun 02, 98[G01B]
5657075 Method and apparatus for locating and facilitating the repair of defects on a printed circuit boardFeb 05, 93Aug 12, 97[H04N]
5517235 Method and apparatus for inspecting printed circuit boards at different magnificationsNov 03, 93May 14, 96[H04N]
5260779 Method and apparatus for inspecting a printed circuit boardFeb 21, 92Nov 09, 93[H04N]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7233871 Inspection window guard bandingExpiredMar 10, 03Jun 19, 07[G01N]
7167583 Image processing system for use with inspection systemsExpiredJun 28, 00Jan 23, 07[G06K]
7075565 Optical inspection systemExpiredJun 14, 00Jul 11, 06[H04N]
6884988 Automated optical inspection system with light trapExpiredDec 21, 01Apr 26, 05[H01J]
6850637 Lighting arrangement for automated optical inspection systemExpiredJun 28, 00Feb 01, 05[G06K]
6760471 Compensation system and related techniques for use in a printed circuit board inspection systemExpiredJun 23, 00Jul 06, 04[G06K]
6621566 Optical inspection system having integrated component learningExpiredOct 02, 00Sep 16, 03[G01N]
6552783 Optical systemExpiredJun 28, 00Apr 22, 03[G01N]
6542630 Inspecting component placement relative to component padsExpiredSep 14, 99Apr 01, 03[G06K]
6173071 Apparatus and method for processing video data in automatic optical inspectionExpiredDec 16, 97Jan 09, 01[G06K]
5903353 Method and apparatus for inspecting component placement and solder connection in printed circuit board manufactureExpiredMar 19, 98May 11, 99[G01B]
5862973 Method for inspecting solder paste in printed circuit board manufactureExpiredJan 30, 97Jan 26, 99[B23K]
5245421 Apparatus for inspecting printed circuit boards with surface mounted componentsExpiredSep 19, 90Sep 14, 93[H04N]
5060065 Apparatus and method for illuminating a printed circuit board for inspectionExpiredFeb 23, 90Oct 22, 91[H04N]
4978220 Compensating system for inspecting potentially warped printed circuit boardsExpiredMay 24, 88Dec 18, 90[H01L, G02B]

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