ISHII TOOL & ENGINEERING CORPORATION

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21B ROLLING OF METAL 131
 
  
 
B21F WORKING OR PROCESSING OF WIRE 119
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136
 
  
 
B30B PRESSES IN GENERAL; PRESSES NOT OTHERWISE PROVIDED FOR 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6671940 Method and apparatus for manufacturing electronic partsSep 20, 01Jan 06, 04[B26D, B23P, B21B]
5379688 Method of and apparatus for automatically controlling pressing force of press machineJul 28, 93Jan 10, 95[B30B]
5158121 Method of bending lead of electric part and bender thereforMay 10, 91Oct 27, 92[B21F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6754949 Method and apparatus for manufacturing electronic partsExpiredAug 18, 03Jun 29, 04[B26D, B23P, B21B]
5956838 IC leadframe processing systemExpiredNov 18, 97Sep 28, 99[B21D, B23D]
5860455 Lead bending machine for electronic componentsExpiredSep 30, 97Jan 19, 99[B21F]
5657538 Method of centering integrated circuit lead frameExpiredJun 06, 95Aug 19, 97[H05K]
5645393 IC stocker, IC unloading and positioning apparatus, and IC feed systemExpiredJul 29, 93Jul 08, 97[B65B]
5079489 Method of operating press machine and servo controller thereforExpiredDec 14, 90Jan 07, 92[G06F]
5069060 Method of operating press machine and servo controller thereforExpiredJun 25, 90Dec 03, 91[B21J]

Top Inventors for This Owner

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