KOMATSU NTC LTD.

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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 1327
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 1254
 
  
 
1509 MACHINE TOOLS, ABRADING AND FOUNDING MACHINERY1019
 
  
 
B23B TURNING; BORING 943
 
  
 
B23C MILLING 924
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 5442
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 425
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 452
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 367

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9782864 Automatic greasing device for chuck in crankshaft millerJun 21, 13Oct 10, 17[B23Q, B23B, F16N, B23C]
9732787 Two-dimensional movement closed-link structureFeb 25, 14Aug 15, 17[F16M, F16C, B25J, F16H]
9561570 Machine toolNov 29, 13Feb 07, 17[B23Q]
9475209 Wire saw and workpiece machining method employing sameJul 02, 13Oct 25, 16[B24B, B28D]
9463517 Work cutting method and single-wire type wire sawMar 18, 15Oct 11, 16[B24B, B23D]
9175719 Method and device for determining center hole of crankshaftJun 25, 09Nov 03, 15[G01M, G05B, F16C, G01C]
9120161 Center hole machining method for shaft blank and center hole machining apparatusJan 21, 11Sep 01, 15[B23Q, B23B, G05B]
9114459 Machine toolJun 22, 11Aug 25, 15[B23B, B23P]
9108241 Method for manufacturing rod-like componentApr 22, 13Aug 18, 15[B23B, B23P, B21K, F16C, B23C, B23D]
8777700 Scattering prevention structure of grinding machineDec 21, 11Jul 15, 14[B24B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0100,094 TOOL MAGAZINE AND MACHINING CENTERAbandonedDec 12, 13Apr 10, 14[B23Q]
2013/0287,511 CENTERING METHOD AND APPARATUSAbandonedOct 05, 11Oct 31, 13[B23B]
2012/0220,437 TOOL MAGAZINE AND MACHINING CENTERAbandonedNov 17, 10Aug 30, 12[B23Q]
2011/0085,865 DEVICE AND METHOD FOR BORING CENTER HOLE OF CRANKSHAFTAbandonedJun 24, 09Apr 14, 11[B23B]
7499813 Device and method for inspecting for flaw on surface of workExpiredAug 25, 05Mar 03, 09[G01B]
7182720 Machine toolExpiredJan 21, 04Feb 27, 07[B23C]
2006/0258,268 Manufacturing method for semiconductor wafers, slicing method for slicing work and wire saw used for the sameAbandonedApr 25, 06Nov 16, 06[B24B, B28D]
6973861 Lathe-cutting apparatus for crankshaft and lathe-cutting method thereofExpiredDec 31, 02Dec 13, 05[B23B]
6722956 Working apparatusExpiredDec 27, 00Apr 20, 04[B24B]
6626735 Method of stopping machining operation in machine tool and machining controlling apparatus for implementing the sameExpiredSep 27, 01Sep 30, 03[B24B]
6436021 Method and apparatus for supplying lubricantExpiredJun 22, 01Aug 20, 02[B23Q, B23C]
6230379 Combined machining apparatus for making piston ringsExpiredNov 29, 99May 15, 01[B23P]
6134763 Combined machining apparatus for making piston ringsExpiredSep 03, 98Oct 24, 00[B23B]

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