Inventor · disambiguated record
Kazuhiro Funatani
Also filed as: FUNATANI KAZUHIRO
67 granted patents·5 pending applications·348 citations·filing 1997–2025
98Inventor score
Top patents by PatentIndex Score
72 records- 0198US11526116B2Image forming apparatus with collectionCANON KK·Filed 2021·Granted Dec 13, 2022·6 cites·12 claims
- 0298US11397400B2Image forming apparatus with developer collectionCANON KK·Filed 2021·Granted Jul 26, 2022·8 cites·11 claims
- 0397US11841669B2Image forming apparatus with brush portion comprising threads and with control to perform rotation of and stop of image bearing member to change posture of brush portionCANON KK·Filed 2022·Granted Dec 12, 2023·4 cites·9 claims
- 0497US11768456B2Image forming apparatusCANON KK·Filed 2022·Granted Sep 26, 2023·4 cites·30 claims
- 0596US11703775B2Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive memberCANON KK·Filed 2021·Granted Jul 18, 2023·3 cites·19 claims
- 0696US11262683B2Image forming apparatus having a toner replenishment operationCANON KK·Filed 2020·Granted Mar 1, 2022·3 cites·24 claims
- 0795US12025933B2Heating device and image forming apparatusCANON KK·Filed 2022·Granted Jul 2, 2024·2 cites·12 claims
- 0895US11886141B2Image forming apparatus having a toner replenishment operationCANON KK·Filed 2022·Granted Jan 30, 2024·2 cites·22 claims
- 0995US11720046B2Image forming apparatus with developer collectionCANON KK·Filed 2022·Granted Aug 8, 2023·2 cites·10 claims
- 1094US10539907B2Image forming apparatus and image forming methodCANON KK·Filed 2018·Granted Jan 21, 2020·5 cites·25 claims
- 1193US12032322B2Image forming apparatusCANON KK·Filed 2022·Granted Jul 9, 2024·2 cites·12 claims
- 1293US11287759B2Image forming apparatusCANON KK·Filed 2021·Granted Mar 29, 2022·2 cites·11 claims
- 1393US9599935B2Image forming apparatus with cleaning using cleaning member and charging memberCANON KK·Filed 2016·Granted Mar 21, 2017·9 cites·15 claims
- 1493US9341988B2Image forming apparatusCANON KK·Filed 2014·Granted May 17, 2016·10 cites·12 claims
- 1593US6477348B2Image forming apparatusCANON KK·Filed 2000·Granted Nov 5, 2002·46 cites·46 claims
- 1692US11099496B2Image forming apparatusCANON KK·Filed 2020·Granted Aug 24, 2021·3 cites·27 claims
- 1792US9086671B2Image forming apparatus including cleaning unit for removing developing materialCANON KK·Filed 2013·Granted Jul 21, 2015·8 cites·30 claims
- 1892US6477339B1Image forming apparatus with current detector and voltage control based on detection resultCANON KK·Filed 2000·Granted Nov 5, 2002·42 cites·50 claims
- 1991US11947280B2Image forming apparatusCANON KK·Filed 2022·Granted Apr 2, 2024·1 cites·14 claims
- 2090US9665043B2Image forming apparatus utilizing adjustment toner imageCANON KK·Filed 2015·Granted May 30, 2017·5 cites·12 claims
- 2190US6473574B1Image forming apparatus with plural transfer means and selecting mechanism for selecting from among a plurality of image bearing membersCANON KK·Filed 2000·Granted Oct 29, 2002·36 cites·60 claims
- 2289US11829105B2Image forming method and image forming apparatusCANON KK·Filed 2021·Granted Nov 28, 2023·2 cites·7 claims
- 2388US8369726B2Image forming apparatusCANON KK·Filed 2012·Granted Feb 5, 2013·4 cites·7 claims
- 2487US10838323B2Image forming apparatusCANON KK·Filed 2020·Granted Nov 17, 2020·2 cites·16 claims
- 2586US11493859B2Image forming apparatusCANON KK·Filed 2021·Granted Nov 8, 2022·1 cites·15 claims
- 2684US12271118B2Image forming apparatusCANON KK·Filed 2024·Granted Apr 8, 2025·0 cites·11 claims
- 2784US2025237981A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 2882US12443129B2Image forming apparatus with simplified developer replenishment structure and that is user-friendlyCANON KK·Filed 2024·Granted Oct 14, 2025·0 cites·13 claims
- 2982US8185003B2Image forming apparatus and control method thereof featuring image member surface data detectionHIRAI MASAHIDE·Filed 2009·Granted May 22, 2012·6 cites·19 claims
- 3082US8175474B2Image forming apparatus with dynamic characteristic calculationKINUKAWA TATSUYA·Filed 2009·Granted May 8, 2012·6 cites·11 claims
- 3180US12411446B2Image forming apparatus having a toner replenishment operationCANON KK·Filed 2023·Granted Sep 9, 2025·0 cites·24 claims
- 3280US12204270B2Image forming apparatus with brush that collects material adhered to surface of image bearing member and that includes brush portion including threads having specified thread densityCANON KK·Filed 2023·Granted Jan 21, 2025·0 cites·8 claims
- 3379US12313994B2Image forming apparatusCANON KK·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 3479US12265354B2Image forming apparatusCANON KK·Filed 2023·Granted Apr 1, 2025·0 cites·9 claims
- 3579US6175702B1Color image forming apparatus which prevents the scatter of color characters and linesCANON KK·Filed 1998·Granted Jan 16, 2001·29 cites·43 claims
- 3678US9459584B2Image forming apparatusCANON KK·Filed 2014·Granted Oct 4, 2016·2 cites·46 claims
- 3778US5946538AImage forming apparatusCANON KK·Filed 1997·Granted Aug 31, 1999·28 cites·14 claims
- 3878US2025189918A1Image forming apparatusCANON KK·Filed 2025·Application pending·0 cites
- 3977US12298700B2Image forming apparatus controlling image forming and sheet interval operationsCANON KK·Filed 2024·Granted May 13, 2025·0 cites·8 claims
- 4077US8103182B2Image forming apparatus taht includes a transfer member that can be separated from an inner circumferential surface of a transfer belt when belt is rotatingSEKI HIROYUKI·Filed 2009·Granted Jan 24, 2012·4 cites·13 claims
- 4176US11988973B2Image forming apparatusCANON KK·Filed 2022·Granted May 21, 2024·0 cites·11 claims
- 4275US9025209B2Image forming apparatus including removal unit for removing developerCANON KK·Filed 2013·Granted May 5, 2015·2 cites·28 claims
- 4375US6775489B2Image forming apparatus capable of detecting density of toner imageCANON KK·Filed 2002·Granted Aug 10, 2004·14 cites·22 claims
- 4475US2024302785A1Image forming apparatusCANON KK·Filed 2024·Application pending·0 cites
- 4574US12140885B2Image forming apparatus including brush for surface of developer supplying memberCANON KK·Filed 2022·Granted Nov 12, 2024·0 cites·8 claims
- 4674US12124183B2Image forming apparatus capable of suppressing an improper charge resulting from toner being moved from a transfer member to a photosensitive memberCANON KK·Filed 2023·Granted Oct 22, 2024·0 cites·12 claims
- 4773US12072654B2Image forming apparatusCANON KK·Filed 2023·Granted Aug 27, 2024·0 cites·12 claims
- 4873US11960232B2Image forming apparatus controlling condition of charging brushCANON KK·Filed 2023·Granted Apr 16, 2024·0 cites·18 claims
- 4973US8565627B2Image forming apparatus and control method thereofKINUKAWA TATSUYA·Filed 2009·Granted Oct 22, 2013·4 cites·25 claims
- 5072US10962899B2Image forming apparatus and image forming method determining characteristic relating image data and densityCANON KK·Filed 2019·Granted Mar 30, 2021·0 cites·6 claims
Showing the top 50 of 72 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →