Inventor · disambiguated record
Hiroshi Mizusawa
Also filed as: MIZUSAWA HIROSHI
25 granted patents·1 pending application·694 citations·filing 1998–2022
96Inventor score
Top patents by PatentIndex Score
26 records- 0197US6266501B1Image-forming apparatus having a seal for a developer and a method for detecting a removal of the sealRICOH KK·Filed 2000·Granted Jul 24, 2001·90 cites·44 claims
- 0296US7313347B2Cleaning device, process cartridge, image forming apparatus and tonerRICOH KK·Filed 2005·Granted Dec 25, 2007·32 cites·31 claims
- 0396US6085062AElectrophotographic image forming apparatusRICOH KK·Filed 1999·Granted Jul 4, 2000·100 cites·6 claims
- 0495US6628903B1Image forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paperRICOH KK·Filed 2000·Granted Sep 30, 2003·52 cites·3 claims
- 0595US6144811AImage forming apparatus having a sensor for sensing an amount of reflected light from both a photoconductive element and a paperRICOH KK·Filed 1999·Granted Nov 7, 2000·70 cites·17 claims
- 0693US6148161AImage forming apparatus with improved toner density controlRICOH KK·Filed 1999·Granted Nov 14, 2000·64 cites·25 claims
- 0793US6144822AImage forming apparatus having detachable transfer roller and discharge deviceRICOH KK·Filed 1999·Granted Nov 7, 2000·63 cites·22 claims
- 0893US6128449AImage forming apparatus and method for controlling charging and developing bias voltageRICOH KK·Filed 1998·Granted Oct 3, 2000·72 cites·12 claims
- 0991US6807390B2Image forming apparatusRICOH KK·Filed 2003·Granted Oct 19, 2004·37 cites·10 claims
- 1091US6160969AImage forming apparatus with a voltage applying unit for image transferRICOH KK·Filed 1998·Granted Dec 12, 2000·57 cites·27 claims
- 1190US10514651B1Cleaning blade, cleaning device, image forming apparatus, and process cartridgeWATANABE KAZUHIKO·Filed 2019·Granted Dec 24, 2019·6 cites·20 claims
- 1285US6898383B2Image forming apparatusRICOH KK·Filed 2003·Granted May 24, 2005·19 cites·20 claims
- 1383US10018941B2Cleaning device, and image forming apparatus and process unit incorporating sameTOMITA DAISUKE·Filed 2017·Granted Jul 10, 2018·2 cites·20 claims
- 1480US7177555B2Image forming process and image forming apparatusRICOH KK·Filed 2004·Granted Feb 13, 2007·18 cites·34 claims
- 1562US8472856B2Image forming apparatusNINOMIYA HIROMICHI·Filed 2011·Granted Jun 25, 2013·1 cites·9 claims
- 1654US7068960B2Cleaning device including brush roller with high cleaning performance, image forming apparatus and process unit including the cleaning device, method of removing deposit, and method of forming an imageRICOH KK·Filed 2004·Granted Jun 27, 2006·5 cites·34 claims
- 1751US9753426B2Image bearer protective agent, protective layer forming device, image forming method, image forming apparatus, and process cartridgeKOMITO KENJI·Filed 2016·Granted Sep 5, 2017·0 cites·16 claims
- 1849US8588672B2Lubricant applicator, process cartridge, transfer unit, and image forming apparatusARAI YUJI·Filed 2011·Granted Nov 19, 2013·0 cites·16 claims
- 1947US12312119B2Feeding device and image forming apparatusMIZUSAWA HIROSHI·Filed 2022·Granted May 27, 2025·0 cites·12 claims
- 2047US9405227B2Powder conveying device, process cartridge, and image forming apparatusMIZUSAWA HIROSHI·Filed 2015·Granted Aug 2, 2016·0 cites·20 claims
- 2146US9983512B2Toner conveyance device and image forming apparatusISHIZUKA YUSUKE·Filed 2017·Granted May 29, 2018·0 cites·20 claims
- 2246US9031456B2Image forming apparatus, detachable unit, and plural detachable unitsMIZUSAWA HIROSHI·Filed 2012·Granted May 12, 2015·0 cites·17 claims
- 2345US7139503B2Cleaning apparatus with conductive memberRICOH KK·Filed 2003·Granted Nov 21, 2006·2 cites·27 claims
- 2443USD750702SPowder containerOOYOSHI HIROBUMI·Filed 2014·Granted Mar 1, 2016·4 cites·1 claims
- 2536US8543029B2Image forming apparatus, image forming method, and process cartridge for adjusting applications of lubricantsMIZUSAWA HIROSHI·Filed 2010·Granted Sep 24, 2013·0 cites·19 claims
- 2636US2018373198A1Process cartridge and image forming apparatusMIZUSAWA HIROSHI·Filed 2018·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →