Inventor · disambiguated record
Jun Hirabayashi
Also filed as: HIRABAYASHI JUN
85 granted patents·23 pending applications·698 citations·filing 1996–2025
99Inventor score
Top patents by PatentIndex Score
108 records- 0197US9703230B2Image forming apparatus correcting unevenness of potential distribution due to change of exposure spot shape of light beam on photosensitive memberCANON KK·Filed 2014·Granted Jul 11, 2017·70 cites·9 claims
- 0295US6128456AImage forming apparatus having a charging member applying an electric charge through electrically conductive or electroconductive particles to the surface of a photosensitive or image bearing memberCANON KK·Filed 1998·Granted Oct 3, 2000·76 cites·33 claims
- 0394US8611768B2Image forming apparatus and image forming methodCANON KK·Filed 2012·Granted Dec 17, 2013·8 cites·5 claims
- 0494US8335441B2Image forming apparatus and image forming methodKUBO HIDEKI·Filed 2011·Granted Dec 18, 2012·10 cites·5 claims
- 0590US11846037B2Crystal manufacturing method, crystal manufacturing apparatus and single crystalTDK CORP·Filed 2022·Granted Dec 19, 2023·1 cites·14 claims
- 0690US9057977B2Image forming apparatus and image forming methodCANON KK·Filed 2013·Granted Jun 16, 2015·5 cites·20 claims
- 0789US9343985B2Power supply apparatus and image forming apparatusCANON KK·Filed 2014·Granted May 17, 2016·5 cites·10 claims
- 0888US10264185B2Circuit board, electronic apparatus, and image forming apparatusCANON KK·Filed 2017·Granted Apr 16, 2019·4 cites·18 claims
- 0986US9222882B2Measurement system that estimates reflection characteristics of a target object and control method thereofCANON KK·Filed 2014·Granted Dec 29, 2015·9 cites·24 claims
- 1085US9020376B2Image forming apparatus capable of providing stable image qualityITO MEGUMI·Filed 2011·Granted Apr 28, 2015·5 cites·8 claims
- 1184US6134407ACharging apparatus for charging a moving member to be charged including an elastic rotatable member carrying electroconductive particles on the surface thereofCANON KK·Filed 1998·Granted Oct 17, 2000·29 cites·13 claims
- 1283US9904232B2Power supply apparatus and image forming apparatusCANON KK·Filed 2016·Granted Feb 27, 2018·4 cites·12 claims
- 1382US9500650B2Undifferentiated cell detection method and complex carbohydrate detection methodNAT INST ADVANCED IND SCIENCE & TECH·Filed 2012·Granted Nov 22, 2016·5 cites·15 claims
- 1482US9306466B2Power supply apparatus and image forming apparatusCANON KK·Filed 2013·Granted Apr 5, 2016·5 cites·9 claims
- 1581US6442362B2Image forming apparatus for making recovery and restoration of toners by electrical conductive memberCANON KK·Filed 2000·Granted Aug 27, 2002·19 cites·21 claims
- 1680US5933184AColor image forming deviceFUJITSU LTD·Filed 1996·Granted Aug 3, 1999·75 cites·12 claims
- 1779US11402412B2Current sensorTDK CORP·Filed 2020·Granted Aug 2, 2022·1 cites·2 claims
- 1878US6549742B1Charging apparatus employing charging particles, and image forming apparatus employing such a charging apparatusCANON KK·Filed 2001·Granted Apr 15, 2003·16 cites·24 claims
- 1977US10545426B2Power supply apparatus and image forming apparatusCANON KK·Filed 2018·Granted Jan 28, 2020·1 cites·13 claims
- 2077US7662385B2Agent for inhibiting proliferation of neural stem cellsUNIV KEIO·Filed 2007·Granted Feb 16, 2010·4 cites·1 claims
- 2177US2024353787A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2275US6226480B1Image forming apparatus supplying charging accelerating particles to image bearing body in non-image formingCANON KK·Filed 1999·Granted May 1, 2001·23 cites·13 claims
- 2373US12061435B2Image forming apparatus including pre-exposure unit having light emitting elements of different directional characteristicsCANON KK·Filed 2022·Granted Aug 13, 2024·0 cites·4 claims
- 2472US9796761B2Glycan markers as measure of disease state of hepatic diseasesNARIMATSU HISASHI·Filed 2010·Granted Oct 24, 2017·3 cites·5 claims
- 2571US6212346B1Charging member for holding electrically conductive particles in cellsCANON KK·Filed 1999·Granted Apr 3, 2001·20 cites·8 claims
- 2670US10502369B2Circuit board and image forming apparatusCANON KK·Filed 2017·Granted Dec 10, 2019·1 cites·27 claims
- 2770US6904253B2Charging member having an elastic foam member including cell portions whose gap ratio is 5% to 50%, charging apparatus, process cartridge, and image forming apparatus having such charging memberCANON KK·Filed 2002·Granted Jun 7, 2005·11 cites·29 claims
- 2870US6081681ACharging device, charging method, process cartridge and image forming apparatusCANON KK·Filed 1998·Granted Jun 27, 2000·38 cites·51 claims
- 2970US6038420ACharging device, charging method and image forming apparatusCANON KK·Filed 1998·Granted Mar 14, 2000·19 cites·9 claims
- 3069US10840384B2Schottky barrier diode and electronic circuit provided with sameTDK CORP·Filed 2017·Granted Nov 17, 2020·1 cites·13 claims
- 3169US10541613B2Power supply apparatus and image forming apparatusCANON KK·Filed 2018·Granted Jan 21, 2020·1 cites·17 claims
- 3269US9256152B2Image processing apparatus and method having viewing-density priority and color material saving modesCANON KK·Filed 2013·Granted Feb 9, 2016·1 cites·11 claims
- 3367US9279809B2Cell differentiation assay method, cell isolation method, method for producing induced pluripotent stem cells, and method for producing differentiated cellsNAT INST OF ADVANCED IND SCIEN·Filed 2013·Granted Mar 8, 2016·1 cites·20 claims
- 3467US2020119647A1Power supply apparatus and image forming apparatusCANON KK·Filed 2019·Application pending·0 cites
- 3567US2025003110A1Crucible, crystal production method, and single crystalTDK CORP·Filed 2024·Application pending·0 cites
- 3666US11164953B2Semiconductor deviceTDK CORP·Filed 2018·Granted Nov 2, 2021·1 cites·7 claims
- 3766US6615010B2Electrifier for charging developer carrying member using charge particles, including charge rotary member and nip forming member having bias polarity the same as developer polarityCANON KK·Filed 2001·Granted Sep 2, 2003·9 cites·30 claims
- 3866US6553199B2Charging device, process cartridge and image forming apparatusCANON KK·Filed 2001·Granted Apr 22, 2003·9 cites·37 claims
- 3966US6298205B1Charging apparatus which stores electrically conductive particles in granule formCANON KK·Filed 1999·Granted Oct 2, 2001·16 cites·6 claims
- 4066US6038418ACharging method and a charging device for charging a member to be charged by a flexible charging memberCANON KK·Filed 1998·Granted Mar 14, 2000·16 cites·29 claims
- 4165US8461305B2L-fucose α1→6 specific lectinKOBAYASHI YUKA·Filed 2009·Granted Jun 11, 2013·2 cites·16 claims
- 4265US2021322513A1Method for detecting cancer cells, reagent for introducing substance into cancer cells, and composition for treating cancerAIST·Filed 2021·Application pending·0 cites
- 4364US6519433B1Image forming apparatus in which electroconductive particles are supplied to charging means from developing device by way of image bearing memberCANON KK·Filed 2000·Granted Feb 11, 2003·9 cites·10 claims
- 4464US6163671AContact charger having charging performance enhancing particles existing at a contact portion between the contact charger and the member to be chargedCANON KK·Filed 1999·Granted Dec 19, 2000·15 cites·12 claims
- 4563US6614460B2Thermal head and method of manufacturing the sameTDK CORP·Filed 2001·Granted Sep 2, 2003·8 cites·12 claims
- 4663US6580889B1Image forming apparatus having a member to be charged, injection charging means having an elastic member for press-contacting the member to be charged, and electroconductive particles between the elastic member and the member to be chargedCANON KK·Filed 2000·Granted Jun 17, 2003·7 cites·18 claims
- 4763US2025359097A1Schottky barrier diodeTDK CORP·Filed 2025·Application pending·0 cites
- 4862US7116922B2Charging apparatusCANON KK·Filed 2004·Granted Oct 3, 2006·6 cites·54 claims
- 4962US5729802AContact charger for charging a photosensitive memberCANON KK·Filed 1996·Granted Mar 17, 1998·15 cites·8 claims
- 5061US11615916B2Power supply apparatus and image forming apparatusCANON KK·Filed 2021·Granted Mar 28, 2023·0 cites·13 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →