Assignee
TOHOKU RIKO KK
US·196 granted patents·17 pending applications·3,100 citations·filing 1983–2009
Top patents by PatentIndex Score
213 records- 0197US6073925AImage forming apparatusTOHOKU RIKO KK·Filed 1997·Granted Jun 13, 2000·83 cites·4 claims
- 0296US6543761B2Sheet feeding device for an image forming apparatusTOHOKU RIKO KK·Filed 2001·Granted Apr 8, 2003·42 cites·8 claims
- 0396US6338480B1Sheet feeding device for an image forming apparatusTOHOKU RIKO KK·Filed 2000·Granted Jan 15, 2002·51 cites·14 claims
- 0496US5927703ASheet feeding apparatusTOHOKU RIKO KK·Filed 1996·Granted Jul 27, 1999·76 cites·14 claims
- 0595US5690324ASorter for a stencil printer and paper transport speed control device for sorterTOHOKU RIKO KK·Filed 1995·Granted Nov 25, 1997·217 cites·29 claims
- 0694US5229587ABar code label printer and bar code label issuing methodTOHOKU RIKO KK·Filed 1991·Granted Jul 20, 1993·95 cites·6 claims
- 0793US6508465B1Sheet feeder with dynamic speed controlTOHOKU RIKO KK·Filed 1997·Granted Jan 21, 2003·55 cites·27 claims
- 0892US6149720AWater-in-oil type emulsion ink for stencil printingTOHOKU RIKO KK·Filed 2000·Granted Nov 21, 2000·44 cites·7 claims
- 0991US6298778B1Sheet feeding device for a printerTOHOKU RIKO KK·Filed 1999·Granted Oct 9, 2001·54 cites·27 claims
- 1091US6123329APaper feeder and paper tray elevation device thereforTOHOKU RIKO KK·Filed 1998·Granted Sep 26, 2000·67 cites·20 claims
- 1191US5448280ARewriteable card, printing apparatus for printing the card and a method of judging the life of the sameTOHOKU RIKO KK·Filed 1994·Granted Sep 5, 1995·70 cites·2 claims
- 1290US6718872B2Printer with a duplex printing capabilityTOHOKU RIKO KK·Filed 2003·Granted Apr 13, 2004·44 cites·29 claims
- 1388US5611253ACutting deviceTOHOKU RIKO KK·Filed 1994·Granted Mar 18, 1997·35 cites·4 claims
- 1487US7308853B2Bulk paper feeding device with intermediate conveyor for image forming deviceTOHOKU RIKO KK·Filed 2004·Granted Dec 18, 2007·29 cites·7 claims
- 1587US6644183B2Multi-color printing method and system including a plurality of removable ink drumsTOHOKU RIKO KK·Filed 2002·Granted Nov 11, 2003·25 cites·18 claims
- 1687US5794928ALarge capacity paper feeder for an image forming apparatusTOHOKU RIKO KK·Filed 1996·Granted Aug 18, 1998·42 cites·10 claims
- 1786US5953985AStencil printerTOHOKU RIKO KK·Filed 1997·Granted Sep 21, 1999·61 cites·11 claims
- 1885US7758178B2Ink fixing method, ink fixing apparatus, and printerTOHOKU RIKO KK·Filed 2006·Granted Jul 20, 2010·7 cites·21 claims
- 1985US4795281ASelf-correcting printer-verifierTOHOKU RIKO KK·Filed 1987·Granted Jan 3, 1989·98 cites·22 claims
- 2084US7651090B2Paper conveyance apparatusTOHOKU RIKO KK·Filed 2005·Granted Jan 26, 2010·11 cites·7 claims
- 2182US6165258AWater-in-oil type emulsion ink for stencil printingTOHOKU RIKO KK·Filed 1999·Granted Dec 26, 2000·41 cites·13 claims
- 2282US6095040AStencil printer and ink viscosity sensing deviceTOHOKU RIKO KK·Filed 1997·Granted Aug 1, 2000·28 cites·6 claims
- 2382US5709382ASheet discharging device for a printerTOHOKU RIKO KK·Filed 1996·Granted Jan 20, 1998·36 cites·14 claims
- 2481US7775519B2Large capacity sheet feeding apparatus having an intermediate conveying deviceTOHOKU RIKO KK·Filed 2004·Granted Aug 17, 2010·20 cites·6 claims
- 2581US7300053B2Sheet storage device for image forming apparatusTOHOKU RIKO KK·Filed 2004·Granted Nov 27, 2007·21 cites·10 claims
- 2681US6948673B1Master roll and a master roll holding apparatusTOHOKU RIKO KK·Filed 2000·Granted Sep 27, 2005·17 cites·21 claims
- 2781US5882005ALarge capacity paper feeder for an image forming apparatusTOHOKU RIKO KK·Filed 1997·Granted Mar 16, 1999·30 cites·7 claims
- 2881USD378660SContainer for liquid ink for a printing machineTOHOKU RIKO KK·Filed 1995·Granted Apr 1, 1997·25 cites·1 claims
- 2980US7878117B2Stencil printing apparatus having controlled thermal head for perforating stencilTOHOKU RIKO KK·Filed 2008·Granted Feb 1, 2011·6 cites·12 claims
- 3079US7008474B2Water-in-oil type emulson ink for stencil printingTOHOKU RIKO KK·Filed 2004·Granted Mar 7, 2006·22 cites·16 claims
- 3178US6382094B1PrinterTOHOKU RIKO KK·Filed 2000·Granted May 7, 2002·15 cites·6 claims
- 3278US5809879AControl device for a thermosensitive stencil printerTOHOKU RIKO KK·Filed 1995·Granted Sep 22, 1998·37 cites·10 claims
- 3377US7188564B2Stencil printer with a duplex printing capabilityTOHOKU RIKO KK·Filed 2004·Granted Mar 13, 2007·25 cites·10 claims
- 3477US6946629B2Induction heating type fixing device for an image forming apparatus and induction heating coil thereforTOHOKU RIKO KK·Filed 2004·Granted Sep 20, 2005·17 cites·25 claims
- 3577US5791218ACutting deviceTOHOKU RIKO KK·Filed 1996·Granted Aug 11, 1998·23 cites·10 claims
- 3676US8042463B2Coating device and coating unit in a stencil printing apparatusTOHOKU RIKO KK·Filed 2008·Granted Oct 25, 2011·6 cites·8 claims
- 3776US5943954AStencil printerTOHOKU RIKO KK·Filed 1998·Granted Aug 31, 1999·18 cites·5 claims
- 3875US7397577B2Printing system including different kinds of printers and a printer selecting device thereforTOHOKU RIKO KK·Filed 2006·Granted Jul 8, 2008·3 cites·4 claims
- 3975US6977362B2Induction heating device with a switching power source and image processing apparatus using the sameTOHOKU RIKO KK·Filed 2004·Granted Dec 20, 2005·15 cites·4 claims
- 4075US6819446B1Image forming systemTOHOKU RIKO KK·Filed 2000·Granted Nov 16, 2004·21 cites·37 claims
- 4175US5816149ADevice for automatically peeling off the leading edge of a stencil from a stencil roll and master making device having the sameTOHOKU RIKO KK·Filed 1996·Granted Oct 6, 1998·25 cites·45 claims
- 4275US5559486ABobbin for high frequency coreTOHOKU RIKO KK·Filed 1995·Granted Sep 24, 1996·32 cites·11 claims
- 4374US6592481B2Synchronous drive arrangement for a printerTOHOKU RIKO KK·Filed 2001·Granted Jul 15, 2003·16 cites·13 claims
- 4474US6474156B1Method and device for determining the amount of a liquid existing in a containerTOHOKU RIKO KK·Filed 1999·Granted Nov 5, 2002·42 cites·20 claims
- 4574US6156109AWater-in-oil type emulsion ink for stencil printingTOHOKU RIKO KK·Filed 1999·Granted Dec 5, 2000·30 cites·11 claims
- 4674US5700096APrinter and method of printing using the sameTOHOKU RIKO KK·Filed 1994·Granted Dec 23, 1997·35 cites·18 claims
- 4773US6827270B2Bar code reader having a rotatory optical deflector and a rotation position detectorTOHOKU RIKO KK·Filed 2001·Granted Dec 7, 2004·17 cites·46 claims
- 4873US5800599AEmulsion ink for stencil printingTOHOKU RIKO KK·Filed 1997·Granted Sep 1, 1998·29 cites·8 claims
- 4973US5598258AImage forming apparatus with interconnected sorters and control device thereforTOHOKU RIKO KK·Filed 1995·Granted Jan 28, 1997·23 cites·5 claims
- 5072US6644187B2Printer and sheet conveying device thereforTOHOKU RIKO KK·Filed 2001·Granted Nov 11, 2003·7 cites·87 claims
Showing the top 50 of 213 patent records by PatentIndex Score.
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