Inventor · disambiguated record
Yuichiro Hirata
Also filed as: HIRATA YUICHIRO
29 granted patents·7 pending applications·43 citations·filing 2006–2025
94Inventor score
Top patents by PatentIndex Score
36 records- 0194US11372348B2Developing device, cartridge, image forming apparatusCANON KK·Filed 2020·Granted Jun 28, 2022·4 cites·40 claims
- 0293US9256157B2Moving mechanism for a developing device, process cartridge and image forming apparatus that reduces or removes press-contact forces on a developer carrying memberCANON KK·Filed 2013·Granted Feb 9, 2016·10 cites·18 claims
- 0391US11860565B2Restricting member, developing device, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Jan 2, 2024·2 cites·15 claims
- 0485US10719029B2Image forming apparatusCANON KK·Filed 2019·Granted Jul 21, 2020·1 cites·4 claims
- 0585US9116456B2Image forming apparatusCANON KK·Filed 2013·Granted Aug 25, 2015·3 cites·31 claims
- 0683US8478140B2Image forming apparatus featuring a developer replenishing deviceHIRATA YUICHIRO·Filed 2010·Granted Jul 2, 2013·4 cites·3 claims
- 0778US8137537B2Filtered water monitoring device and filtered water monitoring systemHIRATA YUICHIRO·Filed 2006·Granted Mar 20, 2012·12 cites·12 claims
- 0877US9280133B2Development device, process cartridge, and image forming apparatusCANON KK·Filed 2013·Granted Mar 8, 2016·2 cites·44 claims
- 0976US9116459B2Electrophotographic image forming apparatusCANON KK·Filed 2013·Granted Aug 25, 2015·2 cites·15 claims
- 1073US12455528B2Restricting member, developing device, process cartridge, and image forming apparatusCANON KK·Filed 2023·Granted Oct 28, 2025·0 cites·15 claims
- 1172US2025264827A1Determination method and recovery methodCANON KK·Filed 2025·Application pending·0 cites
- 1271US11249416B2Image forming apparatusCANON KK·Filed 2021·Granted Feb 15, 2022·0 cites·8 claims
- 1369US11835888B2Developing device, cartridge, image forming apparatusCANON KK·Filed 2022·Granted Dec 5, 2023·0 cites·11 claims
- 1469US11016409B2Image forming apparatusCANON KK·Filed 2020·Granted May 25, 2021·0 cites·9 claims
- 1569US10481539B2Image forming apparatusCANON KK·Filed 2019·Granted Nov 19, 2019·0 cites·5 claims
- 1668US10551765B2Image forming apparatusCANON KK·Filed 2018·Granted Feb 4, 2020·0 cites·16 claims
- 1767US10274885B2Image forming apparatus having multiple image forming modesCANON KK·Filed 2018·Granted Apr 30, 2019·0 cites·6 claims
- 1864US8494386B2Image forming apparatus featuring control of toner supply between image bearing member and cleaning bladeHIRATA YUICHIRO·Filed 2010·Granted Jul 23, 2013·1 cites·17 claims
- 1963US10031461B2Image forming apparatus having multiple image forming modesCANON KK·Filed 2017·Granted Jul 24, 2018·0 cites·10 claims
- 2062US7664442B2Developing apparatusCANON KK·Filed 2007·Granted Feb 16, 2010·2 cites·11 claims
- 2159US9766571B2Process cartridge with developing container for an image forming apparatusCANON KK·Filed 2015·Granted Sep 19, 2017·0 cites·4 claims
- 2258US9213257B2Small-sized developing device and process cartridge having stable developer regulationCANON KK·Filed 2012·Granted Dec 15, 2015·0 cites·18 claims
- 2357US2025208553A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2456US9341975B2Image forming apparatusCANON KK·Filed 2015·Granted May 17, 2016·0 cites·18 claims
- 2554US2025076806A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 2651US11054786B2Image forming apparatusCANON KK·Filed 2019·Granted Jul 6, 2021·0 cites·10 claims
- 2751US2014351323A1Safety evaluation method and safety evaluation computerSUMIDA TOMOYO·Filed 2011·Application pending·0 cites
- 2849US9458751B2Exhaust heat recovery control deviceTOYOTA MOTOR CO LTD·Filed 2015·Granted Oct 4, 2016·0 cites·6 claims
- 2947US10359732B2Image forming apparatusCANON KK·Filed 2018·Granted Jul 23, 2019·0 cites·12 claims
- 3046US11079712B2Image forming apparatus for an intermediate transfer of a toner image and for reversely transferring collected developer to an image bearing memberCANON KK·Filed 2019·Granted Aug 3, 2021·0 cites·12 claims
- 3146US11073781B2Image forming apparatus that suppresses occurrence of image smearing by maintaining a metal soap on a surface of a photoconductorCANON KK·Filed 2020·Granted Jul 27, 2021·0 cites·74 claims
- 3246US9821634B2Motor lock determination deviceYOSHIOKA RYO·Filed 2014·Granted Nov 21, 2017·0 cites·16 claims
- 3342US11022933B2Process cartridge, image forming apparatus and cleaning apparatusCANON KK·Filed 2020·Granted Jun 1, 2021·0 cites·39 claims
- 3442US2021200132A1Image forming apparatusCANON KK·Filed 2020·Application pending·0 cites
- 3541US2013287451A1Image forming apparatus, developing apparatus, and process cartridgeCANON KK·Filed 2013·Application pending·0 cites
- 3628US2016375447A1Electric dust collector of cyclone separatorHIRATA SPINNING·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →