Inventor · disambiguated record
Makoto Hayashida
Also filed as: HAYASHIDA MAKOTO
57 granted patents·12 pending applications·390 citations·filing 2003–2025
98Inventor score
Top patents by PatentIndex Score
69 records- 0199US9213267B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitCANON KK·Filed 2014·Granted Dec 15, 2015·45 cites·28 claims
- 0299US7933534B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitCANON KK·Filed 2009·Granted Apr 26, 2011·88 cites·20 claims
- 0398US11762330B2Drum unit, cartridge and coupling memberCANON KK·Filed 2021·Granted Sep 19, 2023·3 cites·8 claims
- 0498US11029640B1Process cartridgeCANON KK·Filed 2020·Granted Jun 8, 2021·4 cites·5 claims
- 0598US9684279B2Image forming apparatus with an insertion port configured for a process cartridge, usable with the image forming apparatusCANON KK·Filed 2016·Granted Jun 20, 2017·23 cites·10 claims
- 0698US8682211B2Developing device frame unit, developing device, process cartridge, and manufacturing method of the developing device frame unitHOSHI NOBUHARU·Filed 2011·Granted Mar 25, 2014·75 cites·14 claims
- 0797US11061366B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 13, 2021·8 cites·30 claims
- 0897US11061364B2Drum unit, cartridge and coupling memberCANON KK·Filed 2017·Granted Jul 13, 2021·7 cites·142 claims
- 0997US10955796B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Mar 23, 2021·6 cites·30 claims
- 1097US10948871B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Mar 16, 2021·6 cites·30 claims
- 1197US9500995B2Developer accommodating container and process cartridgeCANON KK·Filed 2015·Granted Nov 22, 2016·18 cites·21 claims
- 1297US9046823B2Developer accommodating container and process cartridgeCANON KK·Filed 2012·Granted Jun 2, 2015·22 cites·33 claims
- 1397US8965243B2Developing apparatus, process cartridge and method for assembling developing apparatusCANON KK·Filed 2012·Granted Feb 24, 2015·25 cites·15 claims
- 1496US11841668B2Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Dec 12, 2023·2 cites·11 claims
- 1596US11073791B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 27, 2021·5 cites·21 claims
- 1696US11073790B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 27, 2021·5 cites·30 claims
- 1796US11067948B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 20, 2021·5 cites·30 claims
- 1896US11067947B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 20, 2021·5 cites·29 claims
- 1996US11061367B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 13, 2021·5 cites·30 claims
- 2096US11061368B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Jul 13, 2021·5 cites·27 claims
- 2195US11334023B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted May 17, 2022·3 cites·29 claims
- 2292US12393153B2Toner containerCANON KK·Filed 2023·Granted Aug 19, 2025·1 cites·21 claims
- 2391US12287603B2Drum unit, cartridge and coupling memberCANON KK·Filed 2024·Granted Apr 29, 2025·0 cites·18 claims
- 2491US11442404B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Sep 13, 2022·1 cites·30 claims
- 2591US11442405B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Sep 13, 2022·1 cites·24 claims
- 2691US11435693B2Drum unit, cartridge and coupling memberCANON KK·Filed 2019·Granted Sep 6, 2022·1 cites·30 claims
- 2790US2025370400A1CartridgeCANON KK·Filed 2025·Application pending·0 cites
- 2888US12124211B2Drum unit, cartridge and coupling memberCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·11 claims
- 2988US2025334920A1Toner containerCANON KK·Filed 2025·Application pending·0 cites
- 3087US9104139B2Developing device, process cartridge, remanufacturing method for developing device and process cartridgeHOSHI NOBUHARU·Filed 2011·Granted Aug 11, 2015·5 cites·12 claims
- 3186US11314193B2Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Apr 26, 2022·1 cites·22 claims
- 3286US10324413B2Image forming apparatus having a portion to prevent a process cartridge from being inserted when the process cartridge is in a particular stateCANON KK·Filed 2017·Granted Jun 18, 2019·2 cites·8 claims
- 3386US2025315007A1Drum unit, cartridge and coupling memberCANON KK·Filed 2025·Application pending·0 cites
- 3485US11669038B2Image forming apparatus having detachable developer cartridgeCANON KK·Filed 2021·Granted Jun 6, 2023·1 cites·11 claims
- 3585US2025013184A1Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 3683US12474670B2Cartridge unitCANON KK·Filed 2024·Granted Nov 18, 2025·0 cites·9 claims
- 3783US12124205B2Foreign substance collection apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·15 claims
- 3883US2025199464A1Process cartridgeCANON KK·Filed 2025·Application pending·0 cites
- 3982US12271146B2Process cartridgeCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·12 claims
- 4079US11740585B2Process cartridgeCANON KK·Filed 2022·Granted Aug 29, 2023·0 cites·5 claims
- 4179US2025199465A1Cartridge and image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4277US8958727B2Cartridge having a replenishment opening, and image forming apparatusCANON KK·Filed 2012·Granted Feb 17, 2015·2 cites·13 claims
- 4375US10175599B2Rotating member, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Jan 8, 2019·1 cites·13 claims
- 4474US12411449B2Process unit including first, second and third conveyance members for conveying developerCANON KK·Filed 2023·Granted Sep 9, 2025·0 cites·5 claims
- 4574US11454924B2Process cartridgeCANON KK·Filed 2021·Granted Sep 27, 2022·0 cites·3 claims
- 4674US2025199451A1Photosensitive member unit, cartridge and electrophotographic image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 4773US12271147B2Cartridge including pressed portion to be pressed by a pressing portion of an image forming apparatusCANON KK·Filed 2023·Granted Apr 8, 2025·0 cites·18 claims
- 4873US11927913B2Cartridge unitCANON KK·Filed 2021·Granted Mar 12, 2024·0 cites·20 claims
- 4970US11237519B2Cartridge unitCANON KK·Filed 2020·Granted Feb 1, 2022·0 cites·13 claims
- 5068US11500305B2Process cartridge having toner receiving portionCANON KK·Filed 2021·Granted Nov 15, 2022·0 cites·12 claims
Showing the top 50 of 69 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →