Inventor · disambiguated record
Toshiyuki Andoh
Also filed as: ANDOH TOSHIYUKI
42 granted patents·2 pending applications·726 citations·filing 1990–2011
98Inventor score
Top patents by PatentIndex Score
44 records- 0198US7376375B2Belt-drive control device, color-shift detecting method, color-shift detecting device, and image forming apparatusRICOH KK·Filed 2006·Granted May 20, 2008·47 cites·42 claims
- 0297US7587157B2Image forming apparatus capable of correcting a rotation speed of an image carrierRICOH KK·Filed 2007·Granted Sep 8, 2009·30 cites·10 claims
- 0397US7386262B2Belt driving control apparatus and image forming apparatus which uses a moving average process and a revolution average processRICOH KK·Filed 2006·Granted Jun 10, 2008·34 cites·9 claims
- 0496US7251444B2Apparatus for controlling driving of endless belt, and image forming apparatusRICOH KK·Filed 2005·Granted Jul 31, 2007·25 cites·27 claims
- 0594US7971878B2Sheet conveying device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Jul 5, 2011·19 cites·10 claims
- 0694US7871073B2Sheet conveying device, and image forming apparatus including sameRICOH CO LTD·Filed 2007·Granted Jan 18, 2011·17 cites·17 claims
- 0794US6996357B2Belt drive control device and image forming apparatus including the sameRICOH KK·Filed 2005·Granted Feb 7, 2006·17 cites·9 claims
- 0893US7885587B2Image forming apparatus with color shift correction suppressing periodic fluctuations of a surface moving speed of a latent image supportRICOH CO LTD·Filed 2009·Granted Feb 8, 2011·15 cites·14 claims
- 0993US7454150B2Image forming apparatus having a resist rotary memberRICOH KK·Filed 2006·Granted Nov 18, 2008·16 cites·4 claims
- 1093US6941096B2Belt drive control device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Sep 6, 2005·39 cites·92 claims
- 1192US6947693B2Image forming apparatus including rotary member speed detection mechanismRICOH KK·Filed 2003·Granted Sep 20, 2005·40 cites·27 claims
- 1289US7373093B2Apparatus and method for color image forming, and computer program product for driver controllerRICOH KK·Filed 2005·Granted May 13, 2008·14 cites·34 claims
- 1389US6949896B2Apparatus for and method of driving motor to move object at a constant velocityRICOH KK·Filed 2003·Granted Sep 27, 2005·54 cites·24 claims
- 1488US5289088ADC linear motorRICOH KK·Filed 1992·Granted Feb 22, 1994·61 cites·56 claims
- 1587US8165498B2Image forming deviceHOSHINO SEIJI·Filed 2008·Granted Apr 24, 2012·11 cites·11 claims
- 1685US7532370B2Optical encoder, motor driver and image forming apparatusRICOH KK·Filed 2003·Granted May 12, 2009·27 cites·35 claims
- 1784US8837968B2Image formation apparatus, driving control method, and computer program productANDOH TOSHIYUKI·Filed 2011·Granted Sep 16, 2014·4 cites·10 claims
- 1884US7110700B2Belt driving controller, process cartridge, and image forming apparatusRICOH KK·Filed 2004·Granted Sep 19, 2006·22 cites·54 claims
- 1983US8126387B2Sheet conveying device and image forming apparatusNOGUCHI HIDETAKA·Filed 2008·Granted Feb 28, 2012·7 cites·15 claims
- 2081US8036582B2Belt driving device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Oct 11, 2011·6 cites·9 claims
- 2181US7929894B2Driving control device and image forming apparatus including the sameRICOH CO LTD·Filed 2008·Granted Apr 19, 2011·6 cites·14 claims
- 2281US5130583ALinear motorRICOH KK·Filed 1990·Granted Jul 14, 1992·62 cites·6 claims
- 2378US8422037B2Image forming apparatusHODOSHIMA TAKASHI·Filed 2009·Granted Apr 16, 2013·7 cites·14 claims
- 2478US8087670B2Sheet conveying device and image forming apparatusNOGUCHI HIDETAKA·Filed 2009·Granted Jan 3, 2012·6 cites·13 claims
- 2577US8254811B2Image forming apparatus for controlling movement of a moving memberANDOH TOSHIYUKI·Filed 2009·Granted Aug 28, 2012·5 cites·13 claims
- 2675US8364071B2Image forming apparatus and sheet conveying device having upstream and downstream rollersRICOH CO LTD·Filed 2008·Granted Jan 29, 2013·5 cites·20 claims
- 2775US8010027B2Image forming apparatusRICOH CO LTD·Filed 2009·Granted Aug 30, 2011·4 cites·19 claims
- 2874US8059991B2Belt-conveyance control device, image forming apparatus, belt-conveyance control method, and computer program productANDOH TOSHIYUKI·Filed 2008·Granted Nov 15, 2011·5 cites·20 claims
- 2971US7330009B2Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillationRICOH KK·Filed 2004·Granted Feb 12, 2008·16 cites·6 claims
- 3071US5404206AImage scanning mechanism using direct drive mechanismRICOH KK·Filed 1993·Granted Apr 4, 1995·32 cites·5 claims
- 3170US8385762B2Transfer device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Feb 26, 2013·3 cites·7 claims
- 3270US7945176B2Image forming apparatus including a gap forming unitRICOH CO LTD·Filed 2007·Granted May 17, 2011·3 cites·20 claims
- 3369US8538310B2Image transfer apparatus, image fixing apparatus, and registration apparatus which prevent a load torque variation upon entry or exit of a sheet into a nipping portionMATSUDA HIROMICHI·Filed 2008·Granted Sep 17, 2013·3 cites·18 claims
- 3466US8081904B2Belt drive control unit, belt drive control method, belt drive control program, and image forming apparatus using sameOHKUBO HIROKI·Filed 2009·Granted Dec 20, 2011·3 cites·9 claims
- 3566US7576509B2Drive control method, drive control device, belt apparatus, image forming apparatus, image reading apparatus, computer productRICOH KK·Filed 2004·Granted Aug 18, 2009·11 cites·94 claims
- 3663US7800335B2Method, apparatus, and program for driving a motor in a feedback control system, capable of suppressing motor oscillationRICOH KK·Filed 2007·Granted Sep 21, 2010·4 cites·21 claims
- 3763US7696713B2Drive control method, drive control device, belt apparatus, image forming apparatus, image reading apparatus, computer productRICOH KK·Filed 2007·Granted Apr 13, 2010·4 cites·13 claims
- 3862US8131173B2Driving apparatus and image forming apparatusNOGUCHI HIDETAKA·Filed 2008·Granted Mar 6, 2012·2 cites·14 claims
- 3960US6031633AControl method of scanner optical system of original image reading apparatus, motor control device and moving unit driving device of image reading apparatusRICOH KK·Filed 1997·Granted Feb 29, 2000·29 cites·16 claims
- 4059US8145105B2Belt drive control device, belt device, image forming apparatus, and belt drive control methodUEDA YUICHIRO·Filed 2009·Granted Mar 27, 2012·2 cites·4 claims
- 4153US7790256B2Composite tubeFURUKAWA ELECTRIC CO LTD·Filed 2007·Granted Sep 7, 2010·0 cites·19 claims
- 4242US5265188AControl system for controlling object at constant stateRICOH KK·Filed 1991·Granted Nov 23, 1993·9 cites·14 claims
- 4341US2008175612A1Motor control device and image forming apparatusRICOH KK·Filed 2008·Application pending·0 cites
- 4436US2006133873A1Belt drive controlling method, belt drive controlling apparatus, belt apparatus, image forming apparatus, and computer productANDOH TOSHIYUKI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →