Inventor · disambiguated record
Koichi Kudo
Also filed as: KUDO KOICHI
77 granted patents·20 pending applications·669 citations·filing 1983–2025
99Inventor score
Top patents by PatentIndex Score
97 records- 0198US9776819B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2015·Granted Oct 3, 2017·22 cites·25 claims
- 0295US10358311B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2017·Granted Jul 23, 2019·8 cites·40 claims
- 0393US8351830B2Belt conveying device and image forming apparatusRICOH CO LTD·Filed 2010·Granted Jan 8, 2013·12 cites·20 claims
- 0493US6842602B2Drive control device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Jan 11, 2005·43 cites·42 claims
- 0592US11714981B2Information processing system and slip creation methodKAWASAKI HAJIME·Filed 2021·Granted Aug 1, 2023·2 cites·27 claims
- 0692US9110425B2Sheet binding device and image forming apparatus incorporating sameWATANABE TETSUO·Filed 2012·Granted Aug 18, 2015·8 cites·15 claims
- 0792US7526230B2Mark sensing device, turnable body driving device and image forming apparatusRICOH KK·Filed 2005·Granted Apr 28, 2009·15 cites·24 claims
- 0892US6947693B2Image forming apparatus including rotary member speed detection mechanismRICOH KK·Filed 2003·Granted Sep 20, 2005·40 cites·27 claims
- 0992US6925279B2Belt moving device and image forming apparatus including the sameRICOH KK·Filed 2003·Granted Aug 2, 2005·52 cites·52 claims
- 1090US8910939B2Sheet carrying device and image forming apparatusNAKURA MAKOTO·Filed 2013·Granted Dec 16, 2014·6 cites·7 claims
- 1190US7379683B2Mark detector, drive controller, belt drive unit, and image forming apparatusRICOH KK·Filed 2005·Granted May 27, 2008·14 cites·10 claims
- 1289US11066263B2Sheet conveying device and image forming apparatus incorporating the sheet conveying deviceYAMANE JUN·Filed 2019·Granted Jul 20, 2021·4 cites·44 claims
- 1389US8412081B2Belt meandering preventing device and image forming apparatus including the sameKUDO KOICHI·Filed 2010·Granted Apr 2, 2013·6 cites·16 claims
- 1487US9354537B2Image forming apparatus for calculating shape of recording medium based on angles between conveying direction and straight lines using upstream and downstream detectorsUEDA NAOTO·Filed 2013·Granted May 31, 2016·5 cites·7 claims
- 1587US7343127B2Mark forming method for moving body and moving body having markRICOH KK·Filed 2005·Granted Mar 11, 2008·9 cites·12 claims
- 1686US10207494B2Liquid ejection apparatus, liquid ejection system, and liquid ejection methodNAGASU TSUYOSHI·Filed 2016·Granted Feb 19, 2019·2 cites·15 claims
- 1785US7532370B2Optical encoder, motor driver and image forming apparatusRICOH KK·Filed 2003·Granted May 12, 2009·27 cites·35 claims
- 1884US8838014B2Bookbinding system using unfixed toner image as adhesiveMATSUE NATSUMI·Filed 2011·Granted Sep 16, 2014·8 cites·22 claims
- 1984US8219003B2Drive control device of a rotation member, method for drive control of a rotation member, and image forming apparatus including the drive control deviceKUDO KOICHI·Filed 2008·Granted Jul 10, 2012·8 cites·5 claims
- 2084US5729024AOriginal edge detecting system and optical sensorRICOH KK·Filed 1996·Granted Mar 17, 1998·29 cites·7 claims
- 2183US9132977B2Sheet conveying apparatus and image forming apparatusUEDA NAOTO·Filed 2014·Granted Sep 15, 2015·3 cites·8 claims
- 2283US6816178B2Method and apparatus for color image forming capable of performing a precise synchronization between toner image forming per color and its overlayingRICOH KK·Filed 2002·Granted Nov 9, 2004·24 cites·57 claims
- 2383US5818062AOriginal edge detecting system and optical sensor using distance detecting light-receiving meansRICOH KK·Filed 1997·Granted Oct 6, 1998·26 cites·8 claims
- 2482US12229598B2Task execution system for autonomous robotOHTSUKA AIKO·Filed 2021·Granted Feb 18, 2025·2 cites·17 claims
- 2582US11023699B2Information processing system and slip creation methodKAWASAKI HAJIME·Filed 2019·Granted Jun 1, 2021·2 cites·20 claims
- 2682US8368287B2Ultrasonic motor mechanismOLYMPUS CORP·Filed 2010·Granted Feb 5, 2013·4 cites·8 claims
- 2782US7174237B2Endless-moving-member driving unit, image forming apparatus, photosensitive-element driving unit, and method of degradation process for endless moving-memberRICOH KK·Filed 2004·Granted Feb 6, 2007·21 cites·18 claims
- 2882US6774355B2Optical encoderRICOH KK·Filed 2002·Granted Aug 10, 2004·23 cites·18 claims
- 2981US8608164B2Sheet conveying apparatus and image forming apparatusTAKAI SHINGO·Filed 2012·Granted Dec 17, 2013·5 cites·12 claims
- 3080US7853189B2Belt moving device and image forming apparatus using sameRICOH CO LTD·Filed 2007·Granted Dec 14, 2010·6 cites·19 claims
- 3179US12269264B2Liquid ejection apparatus, liquid ejection system, and liquid ejection methodGOHDA MITSUNOBU·Filed 2022·Granted Apr 8, 2025·0 cites·13 claims
- 3279US12260293B2Information processing system and slip creation methodRICOH CO LTD·Filed 2023·Granted Mar 25, 2025·0 cites·35 claims
- 3379US9983531B2Moving-member detecting device and image forming apparatusKUDO KOICHI·Filed 2013·Granted May 29, 2018·2 cites·10 claims
- 3478US10121040B2Recognition apparatus, recognition method, storage medium, management system, and conveyance systemKATAYAMA HIROSHI·Filed 2017·Granted Nov 6, 2018·3 cites·18 claims
- 3578US8027516B2Image forming apparatus including position detectorRICOH CO LTD·Filed 2006·Granted Sep 27, 2011·5 cites·6 claims
- 3678US2025200313A1Information processing system and slip creation methodKAWASAKI HAJIME·Filed 2025·Application pending·0 cites
- 3777US9228825B2Positional change measurement device, positional change measurement method, and image forming apparatusTAKAURA ATSUSHI·Filed 2014·Granted Jan 5, 2016·4 cites·19 claims
- 3877US9052663B2Image forming apparatusSUZUKI SHINGO·Filed 2014·Granted Jun 9, 2015·2 cites·10 claims
- 3977US7960925B2Ultrasonic motor driving method and ultrasonic motorOLYMPUS CORP·Filed 2008·Granted Jun 14, 2011·8 cites·14 claims
- 4076US8838010B2Sheet conveying apparatus, image forming apparatus, sheet conveying distance calculation apparatus and sheet length calculation apparatusNAKURA MAKOTO·Filed 2012·Granted Sep 16, 2014·3 cites·12 claims
- 4175US8831449B2Image forming apparatus capable of optimally performing density fluctuation correctionSUZUKI SHINGO·Filed 2012·Granted Sep 9, 2014·2 cites·5 claims
- 4274US11034517B2Movement route determination method and programOKAMOTO TOSHIHIRO·Filed 2017·Granted Jun 15, 2021·2 cites·10 claims
- 4374US4577141ASystem for driving a movable stageNIPPON KOGAKU KK·Filed 1984·Granted Mar 18, 1986·31 cites·10 claims
- 4473US7659996B2Relative position detection device and detector for rotary body and image forming apparatus including the relative position detection deviceRICOH KK·Filed 2007·Granted Feb 9, 2010·6 cites·12 claims
- 4573US5929436AOptical sensor including a first and second converging optical system for edge detectionRICOH KK·Filed 1997·Granted Jul 27, 1999·17 cites·3 claims
- 4672US7435946B2Mark detector using multiple light beams for use in a displacement detector and an image forming apparatusRICOH KK·Filed 2006·Granted Oct 14, 2008·6 cites·15 claims
- 4771US11535031B2Liquid ejection apparatus, liquid ejection system, and liquid ejection methodGOHDA MITSUNOBU·Filed 2020·Granted Dec 27, 2022·0 cites·18 claims
- 4870US2025170835A1Liquid ejection apparatus, liquid ejection system, and liquid ejection methodSUNAOSHI MASAYUKI·Filed 2025·Application pending·0 cites
- 4969US11618250B2Liquid ejection apparatus, liquid ejection system, and liquid ejection methodRICOH CO LTD·Filed 2020·Granted Apr 4, 2023·0 cites·27 claims
- 5069US9188924B2Image forming apparatus and image forming methodKANEKO SATOSHI·Filed 2013·Granted Nov 17, 2015·1 cites·15 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →