Fujikoshi Kikai Kogyo Kabushiki Kaisha

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 858
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198
 
  
 
G05G CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY 131

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6497047 Flatness measuring equipmentMar 02, 00Dec 24, 02[G01B]
6367529 Method of adhering wafers and wafer adhering deviceApr 26, 99Apr 09, 02[G05G, B32B]
6290585 Polishing machineFeb 22, 00Sep 18, 01[B24B]
6280304 Abrasive machineSep 08, 99Aug 28, 01[B24B]
6080048 Polishing machineJul 14, 98Jun 27, 00[B24B]
5908347 Polishing system for polishing waferApr 11, 97Jun 01, 99[B24B]
5879225 Polishing machineApr 14, 97Mar 09, 99[B24B]
5647789 Polishing machine and a method of polishing a workApr 12, 94Jul 15, 97[B24B]
5441444 Polishing machineOct 01, 93Aug 15, 95[B24B]
5361545 Polishing machineAug 11, 93Nov 08, 94[B24B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6422928 Abrasive machineExpiredFeb 15, 00Jul 23, 02[B24B]
6361418 Abrasive systemExpiredApr 12, 00Mar 26, 02[B24B]
2002/0005,240 Method of adhering wafers and wafer adhering deviceAbandonedSep 06, 01Jan 17, 02[B32B]
6319100 Disk edge polishing machine and disk edge polishing systemExpiredMay 05, 00Nov 20, 01[B24B]
6189680 Rotary conveyorExpiredJul 27, 99Feb 20, 01[B65G]

Top Inventors for This Owner

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