Laserfront Technologies, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01S DEVICES USING STIMULATED EMISSION389
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 299
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS297
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 2203
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 1361
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 1110

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7804644 Optical level control device, method for controlling same, and laser application deviceSep 18, 06Sep 28, 10[G02B]
7440477 Solid-state laser generatorNov 29, 05Oct 21, 08[H01S]
6654160 Laser scanning optics and laser scanning method using the sameFeb 14, 02Nov 25, 03[G02B]
6532248 Diode-laser side-pumped solid-state laser deviceFeb 26, 01Mar 11, 03[H01S]
6336975 Thin film forming equipment and methodMar 22, 00Jan 08, 02[C23C, H01L]
6130403 Laser beam machining apparatus, control method therefor, and recording medium for recording a control program thereforJul 30, 98Oct 10, 00[B23K]
6111647 Detection of focal point of objective lens by means of a two-split sensorApr 20, 99Aug 29, 00[G01B]
6090458 Method and apparatus for film formation by chemical vapor depositionMar 10, 97Jul 18, 00[C23C]
5859868 Solid-state laser device which is pumped by light output from laser diodeJan 22, 97Jan 12, 99[H01S]
5757480 Method for laser alignment in mask repairApr 16, 97May 26, 98[G01B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7916393 Optical level control device, method for controlling same, and laser application deviceExpiredJan 16, 09Mar 29, 11[G02B]
7519252 Laser annealing apparatusExpiredMar 26, 07Apr 14, 09[G02B]
7453652 Member switching apparatus, lens switching apparatus, laser repair apparatus, and laser inspection apparatusExpiredJan 06, 06Nov 18, 08[G02B]
7371286 Wiring repair apparatusExpiredSep 15, 04May 13, 08[C23C]
7239161 Gantry-type XY stageExpiredOct 28, 04Jul 03, 07[G01R]
7233611 Diode-pumped solid-state laser device and manufacturing method of the sameExpiredNov 19, 03Jun 19, 07[H01S]
2007/0087,274 Wiring correction methodAbandonedOct 13, 06Apr 19, 07[G03F]
7166167 Laser CVD device and laser CVD methodExpiredJun 20, 03Jan 23, 07[C23C]
7154926 Laser diode module, laser apparatus and laser processing apparatusExpiredSep 17, 04Dec 26, 06[H01S]
7130323 Semiconductor laser device and semiconductor-laser excited solid-state laser apparatusExpiredFeb 18, 04Oct 31, 06[H01S]
2006/0215,715 Heat sink, laser module, laser device, and laser-processing deviceAbandonedFeb 18, 04Sep 28, 06[F28F, H01S]
7024076 Optical packet header identifier, optical router incorporating the same therein, and optical routing method using the routerExpiredMar 21, 05Apr 04, 06[G02B]
2005/0178,752 Method and device for correcting pattern film on a semiconductor substrateAbandonedApr 05, 05Aug 18, 05[B23K]
6926801 Laser machining method and apparatusExpiredMay 14, 03Aug 09, 05[C23C, H01L, C23F]
2005/0166,666 Piping structure having leak detection function and leak detectorAbandonedFeb 03, 05Aug 04, 05[G01M]
6890387 Method and device for correcting pattern film on a semiconductor substrateExpiredOct 19, 01May 10, 05[C23C, H05H, C23F]
6892001 Optical packet header identifier, optical router incorporating the same therein, and optical routing method using the routerExpiredFeb 24, 03May 10, 05[G02B]
6879605 Method and apparatus for performing pattern defect repair using Q-switched mode-locked pulse laserExpiredJul 24, 01Apr 12, 05[H01S]
6822985 Laser-diode-pumped solid-state laser apparatus and status diagnostic method of the sameExpiredMar 07, 02Nov 23, 04[H01S]
6770844 Method of correcting laser beam intensity, laser beam intensity correction mechanism and multi-branched laser oscillation device having the sameExpiredJan 08, 02Aug 03, 04[B23K]

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