Inventor · disambiguated record
Kenji Izumiya
Also filed as: IZUMIYA KENJI
33 granted patents·9 pending applications·179 citations·filing 1999–2023
96Inventor score
Files withKONICA MINOLTA INC15KONICA MINOLTA BUSINESS TECH8KONISHIROKU PHOTO IND7KONICA CORP5IZUMIYA KENJI4
Top patents by PatentIndex Score
42 records- 0194US6911993B2Color image forming apparatus using registration marksKONISHIROKU PHOTO IND·Filed 2003·Granted Jun 28, 2005·40 cites·3 claims
- 0292US7263314B2Electrophotographic image printing apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Aug 28, 2007·11 cites·2 claims
- 0390US7542058B2Color image forming apparatus using registration marksKONICA CORP·Filed 2005·Granted Jun 2, 2009·9 cites·19 claims
- 0487US7606516B2Image printing apparatusKONICA MINOLTA BUSINESS TECH·Filed 2008·Granted Oct 20, 2009·7 cites·3 claims
- 0584US10054894B2Image forming apparatusKONICA MINOLTA INC·Filed 2017·Granted Aug 21, 2018·3 cites·8 claims
- 0684US7567264B2Collor image forming apparatus having magnification correction functionKONICA MINOLTA BUSINESS TECH·Filed 2006·Granted Jul 28, 2009·8 cites·5 claims
- 0783US7453480B2Color image forming apparatus using registration marksKONICA CORP·Filed 2005·Granted Nov 18, 2008·5 cites·12 claims
- 0882US7876342B2Color image forming apparatus using registration marksKONICA CORP·Filed 2008·Granted Jan 25, 2011·4 cites·13 claims
- 0982US7130097B2Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Oct 31, 2006·7 cites·14 claims
- 1079US6839078B2Image forming apparatus which changes clock frequencies in accordance with recording sheet shrinkageKONISHIROKU PHOTO IND·Filed 2003·Granted Jan 4, 2005·21 cites·13 claims
- 1177US7499072B2Color image forming apparatus and image forming system therewithKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Mar 3, 2009·8 cites·26 claims
- 1274US8955839B2Paper feed apparatus and image forming systemKONICA MINOLTA INC·Filed 2013·Granted Feb 17, 2015·3 cites·8 claims
- 1371US9063490B2Fixing apparatus and image forming apparatusKONICA MINOLTA INC·Filed 2014·Granted Jun 23, 2015·1 cites·6 claims
- 1471US7287700B2Light emitting timing adjustment method, laser scanning apparatus, and image formation apparatusKONICA MINOLTA BUSINESS TECH·Filed 2005·Granted Oct 30, 2007·3 cites·13 claims
- 1569US9335677B2Fixing apparatus for fixing images formed on sheet and image forming apparatus provided with this fixing apparatusKONICA MINOLTA INC·Filed 2014·Granted May 10, 2016·1 cites·7 claims
- 1668US9250587B2Image forming apparatus that adjusts a differential speed between a surface of a fixing belt and a surface of a pressure roller based on a detected torque of a motor that drives the pressure rollerKONICA MINOLTA INC·Filed 2014·Granted Feb 2, 2016·1 cites·11 claims
- 1767US6404449B1Color image forming apparatus performing an exposure scanning operation onto a photoreceptor by means of a laser beam reflected by a rotating mirrorKONISHIROKU PHOTO IND·Filed 2000·Granted Jun 11, 2002·8 cites·4 claims
- 1865US6725005B2Drive control method of photoreceptor drum and image forming apparatusKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 20, 2004·9 cites·11 claims
- 1964US7079172B2Clock generating circuit and image-forming apparatusKONICA CORP·Filed 2001·Granted Jul 18, 2006·6 cites·6 claims
- 2062US8783683B2Image forming apparatus and image forming systemIZUMIYA KENJI·Filed 2012·Granted Jul 22, 2014·2 cites·14 claims
- 2160US12108006B2Control device and image forming system, and computer readable recording medium storing control programKONICA MINOLTA INC·Filed 2023·Granted Oct 1, 2024·0 cites·32 claims
- 2256US6724161B2Image forming apparatus and control method of motor thereinKONISHIROKU PHOTO IND·Filed 2002·Granted Apr 20, 2004·6 cites·22 claims
- 2354US10509349B2Fixing device and image forming apparatusKONICA MINOLTA INC·Filed 2018·Granted Dec 17, 2019·0 cites·21 claims
- 2450US11201573B2Driving device, image forming apparatus, and control programKONICA MINOLTA INC·Filed 2019·Granted Dec 14, 2021·0 cites·17 claims
- 2549US10025235B2Image forming apparatus with power supplies for secondary transfer unitKONICA MINOLTA INC·Filed 2017·Granted Jul 17, 2018·0 cites·6 claims
- 2649US2007248383A1Electrophotographic image printing apparatusKONICA MINOLTA BUSINESS TECH·Filed 2007·Application pending·0 cites
- 2748US6477656B1System for generating clock pulse which the number of pulses outputted within a predetermined time period is based on the number of calculated delay stagesKONISHIROKU PHOTO IND·Filed 1999·Granted Nov 5, 2002·13 cites·22 claims
- 2848US2005237585A1Image forming apparatusKONICA MINOLTA BUSINESS TECH·Filed 2004·Application pending·0 cites
- 2946US9291968B2Image forming apparatusKONICA MINOLTA INC·Filed 2014·Granted Mar 22, 2016·0 cites·5 claims
- 3045US9229387B2Fixing apparatus with a control unit for powering a fixing heater using a combination of control patterns, and image-forming apparatus using the sameKONICA MINOLTA INC·Filed 2015·Granted Jan 5, 2016·0 cites·8 claims
- 3145US8764003B2Control method of feeder and image forming systemOYAMA HIROSHI·Filed 2013·Granted Jul 1, 2014·0 cites·7 claims
- 3245US2020161992A1Motor drive deviceKONICA MINOLTA INC·Filed 2019·Application pending·0 cites
- 3344US2009059249A1Image forming apparatus, maintenance management method thereof and image forming management systemIZUMIYA KENJI·Filed 2007·Application pending·0 cites
- 3443US2020019108A1Image forming device and misalignment correction methodKONICA MINOLTA INC·Filed 2019·Application pending·0 cites
- 3543US2020052615A1Motor drive apparatusKONICA MINOLTA INC·Filed 2019·Application pending·0 cites
- 3641US9703238B2Image forming systemKONICA MINOLTA INC·Filed 2016·Granted Jul 11, 2017·0 cites·13 claims
- 3741US2008065932A1Image forming apparatusIZUMIYA KENJI·Filed 2007·Application pending·0 cites
- 3840US7110017B2Signal controlling circuitKONICA CORP·Filed 2003·Granted Sep 19, 2006·2 cites·10 claims
- 3940US6801725B2Image forming apparatusKONISHIROKU PHOTO IND·Filed 2003·Granted Oct 5, 2004·1 cites·9 claims
- 4040US2013050718A1Image forming apparatusTAKAHASHI ATSUSHI·Filed 2012·Application pending·0 cites
- 4136US8611767B2Image forming apparatus with a photoreceptorIZUMIYA KENJI·Filed 2011·Granted Dec 17, 2013·0 cites·12 claims
- 4235US2011203470A1Image forming apparatus and processing apparatusOYAMA HIROSHI·Filed 2011·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →