Inventor · disambiguated record
Hiromichi Matsuda
Also filed as: MATSUDA HIROMICHI
65 granted patents·9 pending applications·664 citations·filing 1982–2023
99Inventor score
Top patents by PatentIndex Score
74 records- 0198US9776819B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2015·Granted Oct 3, 2017·22 cites·25 claims
- 0298US7376375B2Belt-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
- 0397US7587157B2Image forming apparatus capable of correcting a rotation speed of an image carrierRICOH KK·Filed 2007·Granted Sep 8, 2009·30 cites·10 claims
- 0497US7386262B2Belt 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
- 0597US7343119B2Belt drive control method, belt-drive control device, and image forming apparatusRICOH KK·Filed 2005·Granted Mar 11, 2008·30 cites·97 claims
- 0696US7251444B2Apparatus for controlling driving of endless belt, and image forming apparatusRICOH KK·Filed 2005·Granted Jul 31, 2007·25 cites·27 claims
- 0795US10358311B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2017·Granted Jul 23, 2019·8 cites·40 claims
- 0895US10358309B2Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying deviceYAMANE JUN·Filed 2018·Granted Jul 23, 2019·10 cites·14 claims
- 0995US6669189B2Image forming apparatusRICOH KK·Filed 2002·Granted Dec 30, 2003·49 cites·56 claims
- 1094US8845472B2Drive transmission unit and image forming apparatus including sameMATSUDA HIROMICHI·Filed 2012·Granted Sep 30, 2014·10 cites·12 claims
- 1194US8588651B2Rotary drive device with a planetary gear mechanism to drive a rotary body, and image forming apparatus including the sameMATSUDA HIROMICHI·Filed 2011·Granted Nov 19, 2013·9 cites·10 claims
- 1294US7871073B2Sheet conveying device, and image forming apparatus including sameRICOH CO LTD·Filed 2007·Granted Jan 18, 2011·17 cites·17 claims
- 1394US7509074B2Method and apparatus for image forming capable of effectively reducing unevenness of density and color displacement of imagesRICOH KK·Filed 2007·Granted Mar 24, 2009·16 cites·14 claims
- 1494US7327972B2Belt driving control apparatus, belt apparatus and image forming apparatusRICOH KK·Filed 2005·Granted Feb 5, 2008·17 cites·70 claims
- 1594US6996357B2Belt drive control device and image forming apparatus including the sameRICOH KK·Filed 2005·Granted Feb 7, 2006·17 cites·9 claims
- 1693US7885587B2Image 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
- 1793US7454150B2Image forming apparatus having a resist rotary memberRICOH KK·Filed 2006·Granted Nov 18, 2008·16 cites·4 claims
- 1893US6941096B2Belt drive control device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Sep 6, 2005·39 cites·92 claims
- 1991US8503910B2Drive device and image forming apparatus including sameMATSUDA HIROMICHI·Filed 2011·Granted Aug 6, 2013·7 cites·5 claims
- 2089US11066263B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2019·Granted Jul 20, 2021·4 cites·44 claims
- 2189US6949896B2Apparatus for and method of driving motor to move object at a constant velocityRICOH KK·Filed 2003·Granted Sep 27, 2005·54 cites·24 claims
- 2287US10530950B2Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying deviceWATANABE TAKESHI·Filed 2018·Granted Jan 7, 2020·5 cites·20 claims
- 2387US7684740B2Belt driving controller, belt rotating device, and image forming apparatusRICOH KK·Filed 2006·Granted Mar 23, 2010·9 cites·4 claims
- 2484US8033546B2Belt drive controller and image forming apparatus provided with sameRICOH CO LTD·Filed 2006·Granted Oct 11, 2011·7 cites·53 claims
- 2583US8126387B2Sheet conveying device and image forming apparatusNOGUCHI HIDETAKA·Filed 2008·Granted Feb 28, 2012·7 cites·15 claims
- 2682US7257339B2Method and apparatus for image forming capable of effectively reducing unevenness of density and color displacement of imagesRICOH KK·Filed 2004·Granted Aug 14, 2007·17 cites·25 claims
- 2781US8036582B2Belt driving device and image forming apparatusRICOH CO LTD·Filed 2009·Granted Oct 11, 2011·6 cites·9 claims
- 2881US7929894B2Driving control device and image forming apparatus including the sameRICOH CO LTD·Filed 2008·Granted Apr 19, 2011·6 cites·14 claims
- 2980US10875728B2Sheet conveying device, image forming apparatus incorporating the sheet conveying device, and post processing device incorporating the sheet conveying deviceYAMANE JUN·Filed 2019·Granted Dec 29, 2020·2 cites·18 claims
- 3080US10392213B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceMATSUDA HIROMICHI·Filed 2017·Granted Aug 27, 2019·2 cites·16 claims
- 3180US9658578B2Transfer device and image forming apparatusMATSUDA HIROMICHI·Filed 2016·Granted May 23, 2017·2 cites·18 claims
- 3280US8229325B2Decelerator, drive device including same, and image forming apparatus incorporating the drive deviceIWATA NOBUO·Filed 2009·Granted Jul 24, 2012·6 cites·14 claims
- 3380US7778575B2Imaging apparatus adjusting a rotational stop phase based on a calculated rotational phaseRICOH KK·Filed 2007·Granted Aug 17, 2010·6 cites·13 claims
- 3477US9042784B2Rotating-body driving device and image forming apparatusMATSUDA HIROMICHI·Filed 2013·Granted May 26, 2015·2 cites·10 claims
- 3576US9268247B2Power transmission device and image forming apparatus including the sameYAMAZAKI KIMIHARU·Filed 2014·Granted Feb 23, 2016·2 cites·19 claims
- 3675US8523730B2Planetary gear unit and image forming apparatus including sameMIYAWAKI KATSUAKI·Filed 2012·Granted Sep 3, 2013·4 cites·12 claims
- 3775US8364071B2Image forming apparatus and sheet conveying device having upstream and downstream rollersRICOH CO LTD·Filed 2008·Granted Jan 29, 2013·5 cites·20 claims
- 3874US10074340B2Transmission device, reception device, transmission/reception system, and image display system and clock training thereofTHINE ELECTRONICS INC·Filed 2014·Granted Sep 11, 2018·2 cites·7 claims
- 3974US8059991B2Belt-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
- 4073US8081905B2Image forming apparatus and method of correcting rotation angular velocity of image bearing memberMATSUDA HIROMICHI·Filed 2007·Granted Dec 20, 2011·4 cites·9 claims
- 4172US10730713B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceMATSUDA HIROMICHI·Filed 2019·Granted Aug 4, 2020·1 cites·6 claims
- 4272US6463667B1Machine tool precision-measuring apparatusORIO PREC CO LTD·Filed 2000·Granted Oct 15, 2002·19 cites·7 claims
- 4371US10584008B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceMATSUDA HIROMICHI·Filed 2018·Granted Mar 10, 2020·1 cites·21 claims
- 4470US12083812B2Container body, laser processing apparatus, and laser processing methodSONODA TETSUYA·Filed 2022·Granted Sep 10, 2024·0 cites·7 claims
- 4569US8538310B2Image 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
- 4669US8403317B2Sheet conveyance device and image forming apparatus employing sameMATSUDA HIROMICHI·Filed 2011·Granted Mar 26, 2013·2 cites·20 claims
- 4769US8165502B2Belt driving controller, belt rotating device, and image forming apparatusMATSUDA HIROMICHI·Filed 2008·Granted Apr 24, 2012·3 cites·20 claims
- 4869US7848689B2Belt drive controlling device, belt device using the belt drive controlling device, and image forming apparatus using the belt deviceRICOH CO LTD·Filed 2008·Granted Dec 7, 2010·3 cites·18 claims
- 4966US8585537B2Driving device and image forming apparatusMIYAWAKI KATSUAKI·Filed 2011·Granted Nov 19, 2013·1 cites·20 claims
- 5066US8428476B2Image forming apparatus for detecting speed fluctuationMATSUDA HIROMICHI·Filed 2009·Granted Apr 23, 2013·3 cites·8 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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