Inventor · disambiguated record
Osamu Anan
Also filed as: ANAN OSAMU
56 granted patents·4 pending applications·448 citations·filing 2004–2023
98Inventor score
Top patents by PatentIndex Score
60 records- 0198US8577252B2Process cartridge and disassembling method of the process cartridgeANAN OSAMU·Filed 2010·Granted Nov 5, 2013·54 cites·6 claims
- 0298US7720412B2Process cartridgeCANON KK·Filed 2007·Granted May 18, 2010·37 cites·8 claims
- 0398US7366439B2Method of remanufacturing cartridge and remanufactured cartridgeCANON KK·Filed 2005·Granted Apr 29, 2008·35 cites·14 claims
- 0497US10156825B2Developing apparatus with independently rotatable members supporting a developing frame body, process cartridge, and image forming apparatusCANON KK·Filed 2017·Granted Dec 18, 2018·9 cites·30 claims
- 0595US9996052B2Cartridge capable of being inserted in an apparatus main body of an image forming apparatusCANON KK·Filed 2017·Granted Jun 12, 2018·5 cites·20 claims
- 0695US9442457B2Image forming apparatus with removable process unitsCANON KK·Filed 2015·Granted Sep 13, 2016·9 cites·16 claims
- 0795US9417604B2Image forming apparatusCANON KK·Filed 2015·Granted Aug 16, 2016·11 cites·12 claims
- 0895US9285765B2Developer supply cartridge with shutter portion for opening and closing a supply openingCANON KK·Filed 2014·Granted Mar 15, 2016·10 cites·24 claims
- 0995US9188945B2Cartridge and image forming apparatusANAN OSAMU·Filed 2012·Granted Nov 17, 2015·13 cites·17 claims
- 1095US7099607B2Cartridge, and toner containerCANON KK·Filed 2004·Granted Aug 29, 2006·53 cites·28 claims
- 1194US10067461B2Developing cartridge with a restricted portion that contacts a restricting portion of an image forming apparatusCANON KK·Filed 2017·Granted Sep 4, 2018·5 cites·20 claims
- 1294US9471031B2Image forming apparatus with separate support members for removable cartridgesCANON KK·Filed 2015·Granted Oct 18, 2016·8 cites·20 claims
- 1394US8494409B2Process cartridge and image forming apparatusKAWAI TACHIO·Filed 2011·Granted Jul 23, 2013·12 cites·18 claims
- 1491US10613469B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Apr 7, 2020·2 cites·34 claims
- 1591US8095036B2Process cartridgeYOSHINO YASUFUMI·Filed 2009·Granted Jan 10, 2012·18 cites·5 claims
- 1690US10281873B2Developing device, process cartridge, and image forming apparatusCANON KK·Filed 2018·Granted May 7, 2019·4 cites·10 claims
- 1789US10928769B2Developing cartridge and image forming apparatusCANON KK·Filed 2018·Granted Feb 23, 2021·2 cites·14 claims
- 1889US8160477B2Process cartridge and image forming apparatusANAN OSAMU·Filed 2008·Granted Apr 17, 2012·11 cites·7 claims
- 1988US9342047B2Movement limiting apparatus for image forming apparatus process cartridgeFUJIWARA AKIHIRO·Filed 2012·Granted May 17, 2016·6 cites·6 claims
- 2085US12321130B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2023·Granted Jun 3, 2025·0 cites·9 claims
- 2185US10114336B2Cartridge mountable to image forming apparatusCANON KK·Filed 2017·Granted Oct 30, 2018·2 cites·14 claims
- 2284USD631088SProcess cartridgeCANON KK·Filed 2008·Granted Jan 18, 2011·29 cites·1 claims
- 2382US9377752B2Image forming apparatus with image bearing member protectionCANON KK·Filed 2015·Granted Jun 28, 2016·2 cites·28 claims
- 2482USD631090SProcess cartridgeCANON KK·Filed 2008·Granted Jan 18, 2011·26 cites·1 claims
- 2581US11709455B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Jul 25, 2023·0 cites·16 claims
- 2681USD633137SProcess cartridgeCANON KK·Filed 2008·Granted Feb 22, 2011·25 cites·1 claims
- 2780US11698600B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2022·Granted Jul 11, 2023·0 cites·7 claims
- 2880USD631089SProcess cartridgeCANON KK·Filed 2008·Granted Jan 18, 2011·24 cites·1 claims
- 2979US11874625B2Developing cartridge including a member configured to be pressed by a member of an image forming apparatusCANON KK·Filed 2022·Granted Jan 16, 2024·0 cites·20 claims
- 3079US10656593B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2019·Granted May 19, 2020·0 cites·21 claims
- 3179USD631091SProcess cartridgeCANON KK·Filed 2008·Granted Jan 18, 2011·23 cites·1 claims
- 3278US10635046B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2019·Granted Apr 28, 2020·0 cites·19 claims
- 3378US7840155B2Developing device and image forming apparatusCANON KK·Filed 2009·Granted Nov 23, 2010·4 cites·12 claims
- 3477US8958727B2Cartridge having a replenishment opening, and image forming apparatusCANON KK·Filed 2012·Granted Feb 17, 2015·2 cites·13 claims
- 3577US7580659B2Developing device and image forming apparatusCANON KK·Filed 2006·Granted Aug 25, 2009·4 cites·24 claims
- 3676US11372365B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2021·Granted Jun 28, 2022·0 cites·14 claims
- 3776US11320781B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted May 3, 2022·0 cites·10 claims
- 3876US10775735B2Developing apparatus, process cartridge, and image forming apparatusCANON KK·Filed 2019·Granted Sep 15, 2020·0 cites·17 claims
- 3975US10859971B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Dec 8, 2020·0 cites·9 claims
- 4075US10444696B2Cartridge having a rotatable guide memberCANON KK·Filed 2018·Granted Oct 15, 2019·0 cites·10 claims
- 4175US9618873B2Image forming apparatusCANON KK·Filed 2015·Granted Apr 11, 2017·1 cites·18 claims
- 4274US10416608B2Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2018·Granted Sep 17, 2019·0 cites·64 claims
- 4373US11249437B2Developing cartridge having a frame and supporting members that are movable relative to the frameCANON KK·Filed 2020·Granted Feb 15, 2022·0 cites·20 claims
- 4473USD907700SProcess cartridge for image forming apparatusCANON KK·Filed 2019·Granted Jan 12, 2021·0 cites·1 claims
- 4573US10747172B1Cartridge, process cartridge, and image forming apparatusCANON KK·Filed 2020·Granted Aug 18, 2020·0 cites·19 claims
- 4672US11656572B2Developing cartridge having a guide projecting from a frame bodyCANON KK·Filed 2021·Granted May 23, 2023·0 cites·17 claims
- 4770US9454124B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 27, 2016·1 cites·20 claims
- 4870US9389578B2Image-forming apparatusCANON KK·Filed 2015·Granted Jul 12, 2016·1 cites·20 claims
- 4961US10222736B2Image forming apparatusCANON KK·Filed 2017·Granted Mar 5, 2019·0 cites·17 claims
- 5058US10152021B2Cartridge that reduces contact with photosensitive memberCANON KK·Filed 2017·Granted Dec 11, 2018·0 cites·19 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →