GRADCO JAPAN LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES2951
 
  
 
B42B PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES, OR SIGNATURES, OR PERMANENTLY ATTACHING OBJECTS THERETO 510
 
  
 
B27F DOVETAILED WORK; TENONS; SLOTTING MACHINES; NAILING OR STAPLING MACHINES 48
 
  
 
B42C BOOKBINDING 416
 
  
 
B31B MAKING BOXES, CARTONS, ENVELOPES, OR BAGS 324
 
  
 
B25C HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY -OPERATED PORTABLE STAPLING TOOLS 224
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 235
 
  
 
B31F MECHANICAL WORKING OR DEFORMATION OF PAPER OR CARDBOARD 124
 
  
 
B41L APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTING FOR OFFICE OR OTHER COMMERCIAL PURPOSES; ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES 118
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0291,444 BOOKBINDING SYSTEMApr 28, 16Oct 12, 17[B65H, B42C]
2015/0203,321 SHEET POST-PROCESSING APPARATUSDec 18, 12Jul 23, 15[B65H]
2013/0272,817 BOOKBINDING DEVICEFeb 22, 13Oct 17, 13[B42C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9725272 Paper post-processing deviceMay 29, 14Aug 08, 17[B65H]
9028190 Bookbinding apparatusFeb 22, 13May 12, 15[B42B]
9022377 Sheet processing apparatusFeb 20, 12May 05, 15[B65H]
8840099 Binding apparatusDec 15, 11Sep 23, 14[B31F, B42D, B42C]
8511679 Sheet processing deviceJun 12, 12Aug 20, 13[B65H]
8393607 Sheet processing deviceSep 24, 12Mar 12, 13[B65H]
7942087 Sheet punching apparatus and method for controlling the sameSep 09, 04May 17, 11[B26D]
7866648 Multiple stapling apparatusSep 09, 04Jan 11, 11[B65H]
7766328 Sheet feeding apparatus with buffer systemSep 09, 04Aug 03, 10[B65H]
7690636 Finishing apparatus in copying machineAug 05, 02Apr 06, 10[B65H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0309,463 SHEET POST-PROCESSING DEVICEAbandonedNov 18, 13Oct 29, 15[B65H, G03G, B42B]
8257006 Bookbinding deviceExpiredMar 03, 10Sep 04, 12[B42F, B42B, A44B]
2012/0091,648 Sheet Processing DeviceAbandonedMar 02, 11Apr 19, 12[B65H, B41F]
8157493 Book binding deviceExpiredSep 04, 09Apr 17, 12[B42C]
2009/0236,798 SHEET PROCESSING DEVICEAbandonedJun 05, 09Sep 24, 09[B65H]
2009/0188,631 Tape supplier and refill cartridge for binding apparatusAbandonedDec 06, 04Jul 30, 09[B42C]
7450881 Finishing apparatus of image forming apparatusExpiredSep 30, 02Nov 11, 08[G03G]
6948224 Automatic stapling method and staplerExpiredMay 02, 03Sep 27, 05[B27F]
6736388 Image processing machine having a post-processing automated sheet stack binding systemExpiredSep 17, 02May 18, 04[B42C]
6736393 Medium stackerExpiredSep 30, 02May 18, 04[B65H]
2002/0047,233 Method and apparatus for set binding, stapling and stackingAbandonedDec 12, 01Apr 25, 02[B65H]
6328299 Moving shelf set finishing mailboxExpiredJul 17, 00Dec 11, 01[B65H]
6250627 Selective sheet delivery apparatusExpiredMar 22, 99Jun 26, 01[B65H]
6201946 Multiple printer system with a route setting device for printed sheetsExpiredAug 23, 99Mar 13, 01[B65H, G03G]
6179286 Sheet receiving and stacking apparatus and methodExpiredDec 21, 99Jan 30, 01[B65H]
5938194 Mailbox with spring biased gatesExpiredOct 21, 94Aug 17, 99[B65H]
5845901 Parallel moving tray sorterExpiredNov 13, 95Dec 08, 98[B65H]
5649695 Continuous sheet stacker and finisherExpiredFeb 01, 96Jul 22, 97[B65H]
5618035 Offset stackerExpiredNov 25, 94Apr 08, 97[B65H]
5603494 Sheet mailbox having a rotatable sheet distributorExpiredNov 13, 95Feb 18, 97[B65H]

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