Inventor · disambiguated record
Atsushi Fukaya
Also filed as: FUKAYA ATSUSHI
50 granted patents·6 pending applications·113 citations·filing 1991–2024
97Inventor score
Top patents by PatentIndex Score
56 records- 0196US11442398B2Drum cartridge having electrical contact surface positioned at outer surface of drum frameBROTHER IND LTD·Filed 2021·Granted Sep 13, 2022·3 cites·17 claims
- 0295US11099501B2Toner cartridge having toner memory and attachable to drum cartridge having drum memoryBROTHER IND LTD·Filed 2020·Granted Aug 24, 2021·4 cites·15 claims
- 0395US10082765B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2017·Granted Sep 25, 2018·7 cites·28 claims
- 0492US10452022B2Process cartridgeBROTHER IND LTD·Filed 2018·Granted Oct 22, 2019·3 cites·13 claims
- 0592US10168663B2Process cartridgeBROTHER IND LTD·Filed 2017·Granted Jan 1, 2019·4 cites·24 claims
- 0690US12240338B2Power supply system including an electrical machine with its neutral point connected to a power supply unitDENSO CORP·Filed 2022·Granted Mar 4, 2025·3 cites·9 claims
- 0788US9256195B2Development cartridge, process cartridge, and image forming apparatus having the sameBROTHER IND LTD·Filed 2014·Granted Feb 9, 2016·4 cites·13 claims
- 0887US2025102997A1Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation bladeBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 0986US10782646B2Process cartridgeBROTHER IND LTD·Filed 2019·Granted Sep 22, 2020·1 cites·15 claims
- 1086US10649366B2Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation bladeBROTHER IND LTD·Filed 2019·Granted May 12, 2020·1 cites·15 claims
- 1184US11054787B2Drum cartridge having electrical contact surface positioned at outer surface of drum frameBROTHER IND LTD·Filed 2020·Granted Jul 6, 2021·1 cites·17 claims
- 1283US12461483B2Drum cartridge having electrical contact surface positioned at outer surface of drum frameBROTHER IND LTD·Filed 2024·Granted Nov 4, 2025·0 cites·18 claims
- 1383US12314001B2Image forming apparatus including LED array attached to top coverBROTHER IND LTD·Filed 2023·Granted May 27, 2025·0 cites·11 claims
- 1483US12204274B2Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation bladeBROTHER IND LTD·Filed 2023·Granted Jan 21, 2025·0 cites·24 claims
- 1579US11531298B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2022·Granted Dec 20, 2022·0 cites·6 claims
- 1678US11726429B2Image forming apparatus including LED array attached to top coverBROTHER IND LTD·Filed 2022·Granted Aug 15, 2023·0 cites·13 claims
- 1778US10684587B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2019·Granted Jun 16, 2020·0 cites·6 claims
- 1877US12072665B2Drum cartridge having electrical contact surface positioned at outer surface of drum frameBROTHER IND LTD·Filed 2022·Granted Aug 27, 2024·0 cites·17 claims
- 1975US11733643B2Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation bladeBROTHER IND LTD·Filed 2021·Granted Aug 22, 2023·0 cites·20 claims
- 2074US11281155B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2020·Granted Mar 22, 2022·0 cites·6 claims
- 2174US11281159B2Image forming apparatus including LED array attached to top coverBROTHER IND LTD·Filed 2020·Granted Mar 22, 2022·0 cites·8 claims
- 2274US10884375B2Image forming apparatus and process cartridgeBROTHER IND LTD·Filed 2019·Granted Jan 5, 2021·0 cites·11 claims
- 2374US10579011B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2018·Granted Mar 3, 2020·0 cites·13 claims
- 2474US2025096664A1Power conversion apparatusDENSO CORP·Filed 2024·Application pending·0 cites
- 2573US10831151B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2020·Granted Nov 10, 2020·0 cites·1 claims
- 2673US10585384B2Process cartridge having drum cartridge, toner cartridge and waste toner conveyor tubeBROTHER IND LTD·Filed 2019·Granted Mar 10, 2020·0 cites·6 claims
- 2773US10197969B2Process cartridge and image forming apparatusBROTHER IND LTD·Filed 2018·Granted Feb 5, 2019·0 cites·8 claims
- 2872US11307527B2Process cartridge having drum cartridge, toner cartridge and waste toner conveyor tubeBROTHER IND LTD·Filed 2020·Granted Apr 19, 2022·0 cites·12 claims
- 2971US11163262B2Process cartridgeBROTHER IND LTD·Filed 2020·Granted Nov 2, 2021·0 cites·17 claims
- 3071US11073785B2Developing cartridge including supply roller, layer thickness regulation blade, and supply electrode electrically connected to both supply roller and layer thickness regulation bladeBROTHER IND LTD·Filed 2020·Granted Jul 27, 2021·0 cites·16 claims
- 3171US10466643B2Image forming apparatus comprising drum cartridge and toner cartridgeBROTHER IND LTD·Filed 2019·Granted Nov 5, 2019·0 cites·16 claims
- 3271USD849131SToner cartridgeBROTHER IND LTD·Filed 2017·Granted May 21, 2019·12 cites·1 claims
- 3370US11454899B2Toner cartridge having toner memory and attachable to drum cartridge having drum memoryBROTHER IND LTD·Filed 2021·Granted Sep 27, 2022·0 cites·15 claims
- 3470US10520888B2Image forming apparatus and process cartridgeBROTHER IND LTD·Filed 2018·Granted Dec 31, 2019·0 cites·12 claims
- 3569US10831146B2Process cartridge having drum cartridge, toner cartridge and waste toner conveyor tubeBROTHER IND LTD·Filed 2020·Granted Nov 10, 2020·0 cites·9 claims
- 3667US10067468B2Image forming apparatus and process cartridgeBROTHER IND LTD·Filed 2017·Granted Sep 4, 2018·0 cites·24 claims
- 3766US10254705B2Process cartridge having a conveyor tube between a photosensitive drum and a waste toner containerBROTHER IND LTD·Filed 2017·Granted Apr 9, 2019·0 cites·23 claims
- 3866US5186475AGasket having retainer element for reed valve integrally formed therewithTOYODA AUTOMATIC LOOM WORKS·Filed 1992·Granted Feb 16, 1993·22 cites·11 claims
- 3965US11320154B2Hot-water supply apparatusRINNAI KK·Filed 2019·Granted May 3, 2022·0 cites·9 claims
- 4065US5226796AValve assembly in a piston type compressorTOYODA AUTOMATIC LOOM WORKS·Filed 1991·Granted Jul 13, 1993·24 cites·17 claims
- 4161US12191739B2Power conversion apparatusDENSO CORP·Filed 2021·Granted Jan 7, 2025·0 cites·20 claims
- 4257US9417558B2Development cartridge, process cartridge, and image forming apparatus having the sameBROTHER IND LTD·Filed 2016·Granted Aug 16, 2016·0 cites·8 claims
- 4357US5772407AReciprocating piston type compressor improved to distribute lubricating oil sufficiently during the starting phase of its operationTOYODA AUTOMATIC LOOM WORKS·Filed 1996·Granted Jun 30, 1998·20 cites·8 claims
- 4456US11231181B2Heating and hot-water supply apparatusRINNAI KK·Filed 2019·Granted Jan 25, 2022·0 cites·6 claims
- 4555US11226580B2Drum cartridge and image forming apparatusBROTHER IND LTD·Filed 2021·Granted Jan 18, 2022·0 cites·13 claims
- 4652US11720049B2Developing cartridge including first cam rotatable with first gear and second cam rotatable with second gear to separate developing roller from photosensitive drumBROTHER IND LTD·Filed 2022·Granted Aug 8, 2023·0 cites·17 claims
- 4749US12074538B2Power converter performing switching control of upper-arm and lower-arm switches to conduct current between rechargeable batteriesDENSO CORP·Filed 2022·Granted Aug 27, 2024·0 cites·16 claims
- 4849US7442344B2Ceramic member with oxygen ion conductivity and use thereofCHUBU ELECTRIC POWER·Filed 2002·Granted Oct 28, 2008·4 cites·21 claims
- 4948US11916502B2Electric power conversion apparatusDENSO CORP·Filed 2021·Granted Feb 27, 2024·0 cites·6 claims
- 5047US2006269843A1Nonaqueous electrolyte and nonaqueous electrolyte secondary battery using the sameADEKA CORP·Filed 2006·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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