NAKATA MANUFACTURING CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL417
 
  
 
B21B ROLLING OF METAL 329
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR265
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
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
 
  
 
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
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9895758 Ring tool unit, method for manufacturing the same, sleeve, and mandrelMar 18, 14Feb 20, 18[B23K, B21C, B23D]
9764398 Helical blade cutterMar 29, 13Sep 19, 17[B23C]
9259772 Forming apparatusDec 28, 09Feb 16, 16[B23Q, B21D, B21B]
9199290 Squeeze roll standJul 29, 11Dec 01, 15[B21C, B21D, B21B]
9192972 Forming method and forming deviceFeb 24, 11Nov 24, 15[B21D]
9180507 Turk's head standDec 28, 09Nov 10, 15[B21C, B21D]
9156073 Forming apparatus, shoe thereof and forming methodFeb 26, 09Oct 13, 15[B21C, B21D]
8997324 Tube clamping device and hydraulic pressure tester technical fieldJul 01, 11Apr 07, 15[B25B, G01M, G01N]
8826785 Cutting machineAug 26, 11Sep 09, 14[B23B]
7921688 Square tube forming roll, square tube forming method, and forming deviceDec 27, 04Apr 12, 11[B21C, B21B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8395068 Device and method for controlling welding angleExpiredJun 17, 05Mar 12, 13[B23K]
2007/0017,268 Metal pipe straightening method, straightening roller, and manufacturing deviceAbandonedJul 20, 05Jan 25, 07[B21D]
6296287 Curved elongate member of closed sectional shape and method and apparatus for fabricating the sameExpiredMar 16, 00Oct 02, 01[B60R, E04C]
5878614 Finn pass forming device for forming seam welded steel pipes and roller device available for forming seam welded steel pipes of a plurality of sizesExpiredMar 10, 97Mar 09, 99[B21D]
5706691 Stand supporting method and equipment thereof and a position measuring method of a supporting platform and equipment thereof for roll formerExpiredMar 29, 96Jan 13, 98[B21B]
5412965 Method of determining the optimum ratios of roll rotation speeds in a cold roll forming millExpiredOct 02, 92May 09, 95[B21B]
5016459 Method and guide roll stand for guiding and shaping strip material in a pipe millExpiredJun 14, 89May 21, 91[B21D]
4770019 Forming roll, forming process and its apparatus in the pipe millExpiredSep 02, 86Sep 13, 88[B21D]

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