FUJI SEIKO LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 238
 
  
 
B23B TURNING; BORING 151
 
  
 
B23C MILLING 132
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 128
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8591389 Tool transfer systemOct 23, 09Nov 26, 13[B23Q]
8250720 Roller burnishing apparatus with pressing-force detecting deviceNov 12, 08Aug 28, 12[B24B]
6758640 Method and apparatus for controlling movement of cutting blade and workpieceOct 09, 01Jul 06, 04[B23Q, B23C]
6206617 Reamer with guide surface and method of finishing hole by using the sameOct 01, 99Mar 27, 01[B23D]
5243884 Tool holder device having screw-operated means for connection and disconnection of two engageable members for attachment and removal of cutting toolNov 27, 91Sep 14, 93[B23B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7056072 Method and apparatus for controlling movement of cutting blade and workpieceExpiredJan 23, 04Jun 06, 06[B23C]
6568883 Method of finishing inner circumferential surface, and reamerExpiredOct 04, 00May 27, 03[B23B]
5909985 Drill having plate-like cutter member fixed at proximal end to shank and having cutting edge at distal portionExpiredMay 05, 97Jun 08, 99[B23B, B23P]
5112167 High speed burnishing drillExpiredAug 14, 90May 12, 92[B23B]
5071294 Burnishing drillExpiredAug 01, 90Dec 10, 91[B23B]
5030042 Machining apparatus having means for changing radial position of cutting toolsExpiredJun 28, 90Jul 09, 91[B23B]
4852428 Indexing deviceExpiredJun 13, 88Aug 01, 89[B23Q]
4737431 Negative-electrification finely-divided toner in use for electrophotographyExpiredOct 08, 86Apr 12, 88[G03G]
4643623 Holder for rotary cutting toolsExpiredJun 29, 84Feb 17, 87[B23C]
4642005 Holder for rotary cutting toolsExpiredSep 06, 84Feb 10, 87[B23C]
4594037 Multi-spindle unitExpiredSep 06, 84Jun 10, 86[B23B]
4564321 End-milling cutter with drilling capabilityExpiredApr 27, 84Jan 14, 86[B23B, B23C]

Top Inventors for This Owner

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