TOHOKU RICOH CO., LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS 597
 
  
 
G01D MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED BY A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR 258
 
  
 
B07C POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING 126
 
  
 
B41F PRINTING MACHINES OR PRESSES 143
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 1204
 
  
 
G06K RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS 1197

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
D378660 Container for liquid ink for a printing machineApr 20, 95Apr 01, 97[]
5606448 Polygon scanner and production process thereofMar 23, 93Feb 25, 97[G02B]
5517915 Thermal printerAug 05, 94May 21, 96[B41F]
5476233 StackerDec 10, 93Dec 19, 95[B65H]
5459504 Thermal printerAug 16, 93Oct 17, 95[B41J]
5414450 Head pressing mechanism of a thermal printerDec 03, 92May 09, 95[B41J]
5407081 Stacker having a classifying bullet to shift delivered sheetMar 31, 94Apr 18, 95[B07C]
5293047 Method and an apparatus for detecting indices of paper based on a replaceable intermediate or average threshold valueAug 10, 92Mar 08, 94[G01N]
5248993 Thermal printer having a controller for controlling paper feed operation and a printing method thereofSep 06, 91Sep 28, 93[B41J]
5229587 Bar code label printer and bar code label issuing methodNov 25, 91Jul 20, 93[G01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2009/0140,487 OPTION-TYPE PAPER FEEDING DEVICEAbandonedSep 09, 08Jun 04, 09[B65H]
2009/0013,901 ACTIVE ENERGY BEAM-CURABLE INKAbandonedJul 08, 08Jan 15, 09[C09D, C08K]
2008/0307,985 STENCIL PRINTING APPARATUS ALLOWING DOUBLE-SIDE PRINTINGAbandonedMar 03, 08Dec 18, 08[B41L]
2008/0134,913 STENCIL PRINTING APPARATUSAbandonedSep 04, 07Jun 12, 08[B41L]
2008/0105,161 ACTIVE ENERGY BEAM-CURABLE INK FOR SCREEN PRINTINGAbandonedSep 05, 07May 08, 08[C09D]
2008/0103,254 ACTIVE ENERGY BEAM-CURABLE INKAbandonedSep 05, 07May 01, 08[C08G, C07C]
2007/0285,697 PRINTERAbandonedMar 13, 07Dec 13, 07[G06K]
2007/0012,204 Stencil printerAbandonedMay 19, 06Jan 18, 07[B41L]
7150401 Bar code readerExpiredOct 29, 04Dec 19, 06[G06K]
2006/0214,142 Flame retardant agent and flame-retardant resin compositionAbandonedAug 10, 05Sep 28, 06[C09K]
2006/0185,534 Stencil printerAbandonedJan 31, 06Aug 24, 06[B41L]
2006/0181,015 Device for releasing a pair of conveying members and image forming apparatus including the sameAbandonedSep 13, 05Aug 17, 06[B65H]
2006/0183,814 Emulsion inkAbandonedJan 19, 06Aug 17, 06[C03C]
6948673 Master roll and a master roll holding apparatusExpiredAug 25, 00Sep 27, 05[B65H]
6854904 Mark printing/verifying device, mark printing/verifying method and mark printing control methodExpiredSep 22, 03Feb 15, 05[B41J]
2004/0250,716 Stencil printerAbandonedJan 28, 04Dec 16, 04[B41L]
6827270 Bar code reader having a rotatory optical deflector and a rotation position detectorExpiredMay 31, 01Dec 07, 04[G02B, G06K]
6819523 Data storing device including a cylindrical or hollow cylindrical data storing mediumExpiredAug 19, 02Nov 16, 04[G11B]
2004/0217,174 Bar code readerAbandonedAug 20, 02Nov 04, 04[G02B, G06K]
6798435 PrinterExpiredJul 26, 01Sep 28, 04[B41J]

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