Inventor · disambiguated record
Yoshihiro Mitsui
Also filed as: MITSUI YOSHIHIRO
55 granted patents·8 pending applications·155 citations·filing 1975–2024
98Inventor score
Top patents by PatentIndex Score
63 records- 0196US10691063B2Process cartridge and image forming apparatusCANON KK·Filed 2018·Granted Jun 23, 2020·9 cites·20 claims
- 0295US9696684B2Process cartridge and image forming apparatusCANON KK·Filed 2016·Granted Jul 4, 2017·7 cites·2 claims
- 0394US7912390B2Image forming apparatusCANON KK·Filed 2009·Granted Mar 22, 2011·14 cites·5 claims
- 0493US9057976B2Image forming apparatusCANON KK·Filed 2013·Granted Jun 16, 2015·10 cites·19 claims
- 0590US9411259B2Image forming apparatusCANON KK·Filed 2015·Granted Aug 9, 2016·5 cites·16 claims
- 0689US12292711B2Process cartridge and image forming apparatusCANON KK·Filed 2024·Granted May 6, 2025·0 cites·30 claims
- 0789US7957658B2Image forming apparatusCANON KK·Filed 2010·Granted Jun 7, 2011·4 cites·5 claims
- 0888US12174582B2Process cartridge and image forming apparatusCANON KK·Filed 2024·Granted Dec 24, 2024·0 cites·16 claims
- 0986US9411260B2Image forming apparatus having developing bias and supply bias application unitsCANON KK·Filed 2015·Granted Aug 9, 2016·3 cites·17 claims
- 1085US8548344B2Image forming apparatusMITSUI YOSHIHIRO·Filed 2011·Granted Oct 1, 2013·4 cites·5 claims
- 1184US12130581B2Process cartridge and image forming apparatusCANON KK·Filed 2023·Granted Oct 29, 2024·0 cites·53 claims
- 1282US9696663B2Image forming apparatusCANON KK·Filed 2016·Granted Jul 4, 2017·2 cites·19 claims
- 1381US10990053B2Image forming apparatus, cartridge, image forming system, and storage medium for correcting exposure amountsCANON KK·Filed 2020·Granted Apr 27, 2021·1 cites·28 claims
- 1481US9519264B2Process cartridge and image forming apparatusCANON KK·Filed 2015·Granted Dec 13, 2016·2 cites·6 claims
- 1579US11687029B2Process cartridge and image forming apparatusCANON KK·Filed 2021·Granted Jun 27, 2023·0 cites·53 claims
- 1679US10877395B2Developing device, process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Dec 29, 2020·1 cites·14 claims
- 1777US11003106B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted May 11, 2021·1 cites·7 claims
- 1877US9280133B2Development device, process cartridge, and image forming apparatusCANON KK·Filed 2013·Granted Mar 8, 2016·2 cites·44 claims
- 1976US9804549B2Image forming apparatusCANON KK·Filed 2016·Granted Oct 31, 2017·1 cites·13 claims
- 2075US11320782B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted May 3, 2022·0 cites·14 claims
- 2175US11314201B2Process cartridge and image forming apparatusCANON KK·Filed 2020·Granted Apr 26, 2022·0 cites·18 claims
- 2275US10838356B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Nov 17, 2020·0 cites·29 claims
- 2373US9383712B2Image forming apparatusCANON KK·Filed 2015·Granted Jul 5, 2016·1 cites·16 claims
- 2471US9964921B2Process cartridge and image forming apparatusCANON KK·Filed 2017·Granted May 8, 2018·0 cites·9 claims
- 2570US9310713B2Developer container, developing device, process cartridge, and image forming apparatusCANON KK·Filed 2015·Granted Apr 12, 2016·1 cites·25 claims
- 2667US3988652AStabilized brushless motor drive circuitSUWA SEIKOSHA KK·Filed 1975·Granted Oct 26, 1976·15 cites·10 claims
- 2765US7413425B2Resin sealing mold and resin sealing methodDAI ICHI SEIKO CO LTD·Filed 2005·Granted Aug 19, 2008·1 cites·20 claims
- 2865US4358776AThermal printer and improved platenSUWA SEIKOSHA KK·Filed 1980·Granted Nov 9, 1982·13 cites·22 claims
- 2964US7008575B2Resin sealing mold and resin sealing methodDAI ICHI SEIKO CO LTD·Filed 2000·Granted Mar 7, 2006·5 cites·25 claims
- 3063US4417257APrinting head for thermal printerEPSON CORP·Filed 1981·Granted Nov 22, 1983·12 cites·22 claims
- 3162US10852175B2Image forming apparatusCANON KK·Filed 2017·Granted Dec 1, 2020·0 cites·16 claims
- 3262US8029720B2Resin sealing apparatus and resin sealing methodDAI ICHI SEIKO CO LTD·Filed 2006·Granted Oct 4, 2011·1 cites·11 claims
- 3359US10732534B2Process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Aug 4, 2020·0 cites·8 claims
- 3459US9568855B2Developing device, process cartridge, and image forming apparatus for forming an image on a recording medium using an electrophotographic methodCANON KK·Filed 2013·Granted Feb 14, 2017·0 cites·9 claims
- 3558US10852662B2Developing device, process cartridge and image forming apparatusCANON KK·Filed 2019·Granted Dec 1, 2020·0 cites·15 claims
- 3658US2017108822A1Developing device process cartridge and image forming apparatusCANON KK·Filed 2016·Application pending·0 cites
- 3757US10761453B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2019·Granted Sep 1, 2020·0 cites·16 claims
- 3855US4142463APrint character selection mechanismEPSON CORP·Filed 1977·Granted Mar 6, 1979·8 cites·4 claims
- 3953US9658591B2Cleaning apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2016·Granted May 23, 2017·0 cites·10 claims
- 4051US11073788B2Process cartridge providing fixation layer to developer on image bearing member and image forming apparatusCANON KK·Filed 2019·Granted Jul 27, 2021·0 cites·11 claims
- 4151US10955792B2Process cartridge including photosensitive member having multiple grooves and image forming apparatus including the process cartridgeCANON KK·Filed 2019·Granted Mar 23, 2021·0 cites·19 claims
- 4251US4258624AMiniaturized printerEPSON CORP·Filed 1978·Granted Mar 31, 1981·6 cites·12 claims
- 4350US10520884B2Cartridge and image forming apparatusCANON KK·Filed 2018·Granted Dec 31, 2019·0 cites·15 claims
- 4448US4297697APower supply method for liquid crystal displaySUWA SEIKOSHA KK·Filed 1978·Granted Oct 27, 1981·9 cites·3 claims
- 4547US3952219ACompact motorSUWA SEIKOSHA KK·Filed 1975·Granted Apr 20, 1976·10 cites·7 claims
- 4646US11073781B2Image 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
- 4745US2015125166A1Developer container, developing apparatus, process cartridge and image forming apparatusCANON KK·Filed 2014·Application pending·0 cites
- 4844US10976685B2Image forming apparatus to perform an activation control using a developing bias applying member and a speed control unitCANON KK·Filed 2018·Granted Apr 13, 2021·0 cites·18 claims
- 4944US9372434B2Image forming apparatus with lubricated developer carrying memberCANON KK·Filed 2015·Granted Jun 21, 2016·0 cites·16 claims
- 5043US2010054776A1Image forming apparatusCANON KK·Filed 2009·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Yoshihiro Mitsui files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →