Inventor · disambiguated record
Katsuaki Miyawaki
Also filed as: MIYAWAKI KATSUAKI
59 granted patents·6 pending applications·1,079 citations·filing 1991–2019
99Inventor score
Top patents by PatentIndex Score
65 records- 0198US9776819B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2015·Granted Oct 3, 2017·22 cites·25 claims
- 0298US6324374B1Belt device and unit device including belt device and image forming apparatus using the belt device and unit deviceRICOH KK·Filed 2000·Granted Nov 27, 2001·90 cites·16 claims
- 0397US7054585B2Belt device and unit device including belt device and image forming apparatus using the belt device and unit deviceRICOH KK·Filed 2005·Granted May 30, 2006·25 cites·28 claims
- 0496US7457550B2Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining methodRICOH KK·Filed 2006·Granted Nov 25, 2008·32 cites·9 claims
- 0595US10358311B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2017·Granted Jul 23, 2019·8 cites·40 claims
- 0695US10358309B2Sheet 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
- 0795US7343126B2Image forming apparatus including a transfer belt having image forming units disposed thereaboutRICOH KK·Filed 2007·Granted Mar 11, 2008·15 cites·14 claims
- 0895US6556802B2Belt device and unit device including belt device and image forming apparatus using the belt device and unit deviceRICOH KK·Filed 2001·Granted Apr 29, 2003·40 cites·9 claims
- 0995US5708938AWet process image forming apparatus and carrier vapor collecting device thereforRICOH KK·Filed 1995·Granted Jan 13, 1998·94 cites·6 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
- 1294US7693466B2Method for arranging image forming sectionsRICOH KK·Filed 2008·Granted Apr 6, 2010·11 cites·5 claims
- 1394US7327962B2Abnormality determining method, abnormality determining apparatus, and image forming apparatusRICOH KK·Filed 2007·Granted Feb 5, 2008·35 cites·12 claims
- 1494US5848329AImage forming apparatus having a mounting/dismounting mechanismRICOH KK·Filed 1997·Granted Dec 8, 1998·83 cites·13 claims
- 1593US7551882B2Image forming apparatus equipping improved transfer fixing apparatusRICOH KK·Filed 2007·Granted Jun 23, 2009·16 cites·20 claims
- 1693US6757512B2Tandem image forming device, image forming apparatus and method for using the sameRICOH KK·Filed 2001·Granted Jun 29, 2004·32 cites·61 claims
- 1793US6108508AImage forming apparatus using wet type developing deviceRICOH KK·Filed 1998·Granted Aug 22, 2000·60 cites·17 claims
- 1892US7203452B2Tandem image forming device having a side-by-side arrangement of image forming sectionsRICOH KK·Filed 2004·Granted Apr 10, 2007·28 cites·16 claims
- 1991US7778555B2Abnormality determining apparatus, image forming apparatus, copying machine, and information obtaining methodRICOH KK·Filed 2008·Granted Aug 17, 2010·14 cites·22 claims
- 2091US7711301B2Image transfer device for image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·13 cites·32 claims
- 2191US7643767B2Transfer-fixing unit and image forming apparatus for enhanced image qualityRICOH KK·Filed 2007·Granted Jan 5, 2010·13 cites·20 claims
- 2290US7751746B2Device for driving rotary body with mechanism for dampening fluctuation in rotation velocityRICOH KK·Filed 2008·Granted Jul 6, 2010·11 cites·19 claims
- 2390US7203431B2Abnormality determining method, abnormality determining apparatus, and image forming apparatusRICOH KK·Filed 2004·Granted Apr 10, 2007·54 cites·7 claims
- 2490US7110917B2Abnormality determining method, and abnormality determining apparatus and image forming apparatus using sameRICOH KK·Filed 2004·Granted Sep 19, 2006·57 cites·48 claims
- 2589US11066263B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2019·Granted Jul 20, 2021·4 cites·44 claims
- 2689US7903269B2Abnormality determining apparatus, image forming apparatus including the abnormality determining apparatus, and abnormality determining methodRICOH CO LTD·Filed 2005·Granted Mar 8, 2011·11 cites·28 claims
- 2789US7711300B2Image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·11 cites·7 claims
- 2889US7184674B2Detecting device for an image forming apparatusRICOH KK·Filed 2004·Granted Feb 27, 2007·29 cites·30 claims
- 2988US6941102B2Belt device and unit device including belt device and image forming apparatus using the belt device and unit deviceRICOH KK·Filed 2004·Granted Sep 6, 2005·19 cites·18 claims
- 3088US6768891B2Belt device and unit device including belt device and image forming apparatus using the belt device and unit deviceRICOH KK·Filed 2003·Granted Jul 27, 2004·20 cites·13 claims
- 3187US10530950B2Sheet 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
- 3287US7831185B2Image forming apparatus capable of smooth transmission of recording mediumRICOH KK·Filed 2006·Granted Nov 9, 2010·9 cites·19 claims
- 3387US7738813B2Corona charger having two charging regionsRICOH KK·Filed 2007·Granted Jun 15, 2010·9 cites·11 claims
- 3485US7790343B2Process, toner, process cartridge and apparatus for developing a toner imageRICOH KK·Filed 2007·Granted Sep 7, 2010·8 cites·23 claims
- 3581US7554574B2Abnormal state occurrence predicting method, state deciding apparatus, and image forming systemRICOH KK·Filed 2004·Granted Jun 30, 2009·29 cites·25 claims
- 3680US10875728B2Sheet 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
- 3780US10392213B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceMATSUDA HIROMICHI·Filed 2017·Granted Aug 27, 2019·2 cites·16 claims
- 3880US8229325B2Decelerator, drive device including same, and image forming apparatus incorporating the drive deviceIWATA NOBUO·Filed 2009·Granted Jul 24, 2012·6 cites·14 claims
- 3979US7822351B2Filling-rate lowering and rolling rate adjusting image forming apparatusRICOH KK·Filed 2008·Granted Oct 26, 2010·5 cites·20 claims
- 4078US7027751B2Electrophotographic image forming apparatus having residual toner collectionRICOH KK·Filed 2003·Granted Apr 11, 2006·16 cites·28 claims
- 4177US9042784B2Rotating-body driving device and image forming apparatusMATSUDA HIROMICHI·Filed 2013·Granted May 26, 2015·2 cites·10 claims
- 4277US5300952AThermal image forming equipment forms image directly on image carrier or paper sheetRICOH KK·Filed 1991·Granted Apr 5, 1994·23 cites·1 claims
- 4376US9268247B2Power transmission device and image forming apparatus including the sameYAMAZAKI KIMIHARU·Filed 2014·Granted Feb 23, 2016·2 cites·19 claims
- 4475US8523730B2Planetary gear unit and image forming apparatus including sameMIYAWAKI KATSUAKI·Filed 2012·Granted Sep 3, 2013·4 cites·12 claims
- 4575US8180270B2Image forming apparatus for controlling glossiness of an imageYASUTOMI KEI·Filed 2008·Granted May 15, 2012·4 cites·12 claims
- 4674US5371522AApparatus for erasing and recording data in a thermosensitive recording mediumRICOH KK·Filed 1993·Granted Dec 6, 1994·18 cites·15 claims
- 4772US10730713B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceMATSUDA HIROMICHI·Filed 2019·Granted Aug 4, 2020·1 cites·6 claims
- 4871US10584008B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceMATSUDA HIROMICHI·Filed 2018·Granted Mar 10, 2020·1 cites·21 claims
- 4966US8585537B2Driving device and image forming apparatusMIYAWAKI KATSUAKI·Filed 2011·Granted Nov 19, 2013·1 cites·20 claims
- 5065US8747276B2Drive device and image forming apparatus including sameSHIMIZU KEISUKE·Filed 2012·Granted Jun 10, 2014·2 cites·16 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →