Sindo Ricoh Co., 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, CABLES673
 
  
 
B25C HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY -OPERATED PORTABLE STAPLING TOOLS 125
 
  
 
G03G ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY 180

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6231039 Sheet post-processing apparatusSep 17, 99May 15, 01[B65H]
6164511 Apparatus for moving a stapler to a stapling positionOct 28, 99Dec 26, 00[B25C]
5626333 Sorter, sheet jogging device, stapling device, and stapling sorter using those devices for copying machineJun 12, 95May 06, 97[B65H]
5479240 Method for controlling automatic discharge of jammed paper for automatic jam removalAug 30, 94Dec 26, 95[G03G]
5332205 Automatic document feeders for copying machines and method for automatically controlling suchJul 02, 92Jul 26, 94[B65H]
5324019 Automatic document feeder with solid bracketJul 02, 93Jun 28, 94[B65H]
5169143 Bin tray transferring apparatus of compact sorter for copy machineSep 24, 91Dec 08, 92[B65H]
5125643 Transfer wheel of compact sorter for copy machineJun 13, 91Jun 30, 92[B65H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8064654 Facial region detection device and correction method for photoprintingExpiredNov 16, 07Nov 22, 11[G06K]
2008/0117,458 Printing system and method using preview functionAbandonedNov 13, 07May 22, 08[G06F]
6614556 Apparatus for quantizing a digital image by using an error diffusion coefficient and threshold modulation in zigzag quantizationExpiredNov 22, 99Sep 02, 03[H04N]
5857670 Paper arranging and positioning mechanism in a sorter with a staplerExpiredAug 09, 96Jan 12, 99[B65H]
5634630 Stapler operating device with a sheet discharging mechanism for a copy machineExpiredJul 01, 96Jun 03, 97[B65H]
5620178 Sheet post treatment apparatus for stapling having a sheet aligning memberExpiredMar 09, 95Apr 15, 97[B65H]
5570875 Sheet alignment device with flexible push rodExpiredJun 05, 95Nov 05, 96[B65H]
5390031 Control information format construction used in transmitting image informationExpiredNov 21, 91Feb 14, 95[H04N]
5345293 Feeder of continuous documents for a copy machineExpiredOct 06, 93Sep 06, 94[G03B, B41F, G03G]
5303067 Computer connection circuit in facsimileExpiredNov 21, 91Apr 12, 94[H04N]
5278677 Device for removing document jamming generated at a transmitter of a facsimile using a contact image sensorExpiredNov 21, 91Jan 11, 94[H04N]
5257117 Computer-facsimile system having separately a sending device and a receiving deviceExpiredOct 15, 91Oct 26, 93[H04N]
5217219 Compact sorter for a copy machineExpiredJun 13, 91Jun 08, 93[B65H]
5178382 Tray transferring apparatus of sorter for copy machineExpiredJun 13, 91Jan 12, 93[B65H]
5161795 Device and method for controlling a sorterExpiredJun 13, 91Nov 10, 92[B65H]
5048820 Compact sorterExpiredMar 16, 90Sep 17, 91[B65H]
4978993 Correction device for non-uniform illuminations in ratio-variable copy machineExpiredJun 06, 89Dec 18, 90[G03B]
4937631 Fusing unit for a copy machineExpiredJun 06, 89Jun 26, 90[G03G]
4822025 Device for sorting copied papersExpiredJul 13, 88Apr 18, 89[B65H]

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