Inventor · disambiguated record
Takaaki Tawada
Also filed as: TAWADA TAKAAKI
41 granted patents·12 pending applications·412 citations·filing 1994–2024
98Inventor score
Top patents by PatentIndex Score
53 records- 0196US7373092B2Method and apparatus for image forming capable of effectively collecting waste tonerRICOH KK·Filed 2005·Granted May 13, 2008·26 cites·40 claims
- 0296US7313347B2Cleaning device, process cartridge, image forming apparatus and tonerRICOH KK·Filed 2005·Granted Dec 25, 2007·32 cites·31 claims
- 0393US7826786B2Image forming apparatus, lubricant applying device, transfer device, process cartridge, and tonerRICOH KK·Filed 2005·Granted Nov 2, 2010·17 cites·13 claims
- 0493US7292816B2Method and apparatus for electrophotographic image forming capable of effectively removing residual toner, a cleaning mechanism used therein, a process cartridge including the cleaning mechanism used in the apparatus, and toner used in the apparatusRICOH KK·Filed 2005·Granted Nov 6, 2007·16 cites·52 claims
- 0592US7542712B2Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridgeRICOH KK·Filed 2006·Granted Jun 2, 2009·15 cites·4 claims
- 0692US7477862B2Charged device, cleaning device, process cartridge, toner, and image-forming device that uses theseRICOH KK·Filed 2005·Granted Jan 13, 2009·13 cites·15 claims
- 0791US5572293AMethod of and system for cleaning a charge inducing memberRICOH KK·Filed 1994·Granted Nov 5, 1996·42 cites·53 claims
- 0890US8000627B2Charging device, process cartridge, image forming apparatus, and tonerRICOH CO LTD·Filed 2005·Granted Aug 16, 2011·10 cites·41 claims
- 0989US7149465B2Cleaning unit, process cartridge, image forming apparatus, and tonerRICOH KK·Filed 2004·Granted Dec 12, 2006·26 cites·22 claims
- 1088US8428488B2Charging device, process cartridge, image forming apparatus, and tonerMIZUISHI HARUJI·Filed 2011·Granted Apr 23, 2013·7 cites·17 claims
- 1187US7035582B2Image forming apparatus and process cartridge including lubricant applying device that prevents waste of lubricantRICOH KK·Filed 2004·Granted Apr 25, 2006·28 cites·34 claims
- 1286US7680429B2Charging device including charging roller and cleaning rollerRICOH KK·Filed 2008·Granted Mar 16, 2010·7 cites·19 claims
- 1385US10042315B2Blade and image forming apparatus and cleaning device incorporating sameSHIMIZU EISUKE·Filed 2016·Granted Aug 7, 2018·3 cites·11 claims
- 1484US9529317B2Blade and image forming apparatus incorporating sameSHIMIZU EISUKE·Filed 2015·Granted Dec 27, 2016·2 cites·15 claims
- 1584US7391991B2Process cartridge and image forming apparatusRICOH KK·Filed 2005·Granted Jun 24, 2008·10 cites·37 claims
- 1684US5596395AImage forming apparatus and its control system having a single device for moving a charging member and a transfer memberRICOH KK·Filed 1995·Granted Jan 21, 1997·38 cites·9 claims
- 1783US9310751B2Blade member, image forming apparatus and process cartridgeSHIMIZU EISUKE·Filed 2015·Granted Apr 12, 2016·2 cites·13 claims
- 1880US8190078B2Toner conveyance device and image forming apparatus incorporating sameTAWADA TAKAAKI·Filed 2009·Granted May 29, 2012·6 cites·17 claims
- 1978US8204400B2Charging device capable of efficiently charging image carrierKARASAWA SHINYA·Filed 2009·Granted Jun 19, 2012·5 cites·18 claims
- 2078US7885595B2Lubricant applicator, process cartridge including same, and image forming apparatus including sameRICOH CO LTD·Filed 2008·Granted Feb 8, 2011·5 cites·20 claims
- 2178US5610691AImage forming apparatus having a contact charging member and a cleaning memberRICOH KK·Filed 1995·Granted Mar 11, 1997·29 cites·7 claims
- 2276US7539451B2Image forming apparatus and tonerRICOH KK·Filed 2005·Granted May 26, 2009·5 cites·10 claims
- 2374US8577274B2Image forming apparatus including a lubricant applying device configured to apply lubricant to an image carrierTAWADA TAKAAKI·Filed 2011·Granted Nov 5, 2013·2 cites·18 claims
- 2472US9170557B2Cleaning blade, image forming apparatus, and process cartridgeWATANABE KAZUHIKO·Filed 2014·Granted Oct 27, 2015·1 cites·12 claims
- 2572US7430377B2Image forming apparatus and process cartridge having a detachable unit body having a lubricant applying unit and image carrier mounted thereonRICOH KK·Filed 2004·Granted Sep 30, 2008·12 cites·26 claims
- 2672US7209698B2Method and apparatus for image forming capable of using minuscule spherical particles of toner, a process cartridge in use for the apparatus and a toner used in the image forming for obtaining an image with a high thin line reproducibilityRICOH KK·Filed 2004·Granted Apr 24, 2007·13 cites·58 claims
- 2770US9798284B2Blade and image forming apparatus incorporating sameSHIMIZU EISUKE·Filed 2016·Granted Oct 24, 2017·1 cites·13 claims
- 2870US7496323B2Lubricant applying unit, process cartridge, and image forming apparatusRICOH KK·Filed 2004·Granted Feb 24, 2009·11 cites·12 claims
- 2966US7106991B2Process cartridge smoothly and stably attached to and detached from an image forming apparatus, and an image forming apparatus including the process cartridgeRICOH KK·Filed 2004·Granted Sep 12, 2006·9 cites·20 claims
- 3066USD418862SToner cartridgeRICOH COMPANY INC·Filed 1998·Granted Jan 11, 2000·13 cites·1 claims
- 3164US7630679B2Image forming apparatus, toner container, and process cartridgeRICOH KK·Filed 2007·Granted Dec 8, 2009·2 cites·10 claims
- 3261US9977396B2Blade and image forming apparatus incorporating sameSHIMIZU EISUKE·Filed 2016·Granted May 22, 2018·0 cites·12 claims
- 3354US2025076805A1Image forming apparatusWATANABE KAZUHIKO·Filed 2024·Application pending·0 cites
- 3453US2025085656A1Image forming apparatusTAWADA TAKAAKI·Filed 2024·Application pending·0 cites
- 3552US9310750B2Image forming apparatus and process cartridge thereforKIKUCHI HISASHI·Filed 2013·Granted Apr 12, 2016·0 cites·13 claims
- 3652US9081353B2Cleaner, and process cartridge and image forming apparatus using the cleanerTAWADA TAKAAKI·Filed 2013·Granted Jul 14, 2015·0 cites·20 claims
- 3749US9436117B2Image forming apparatus configured to modify a reference voltage correction amountKIKUCHI HISASHI·Filed 2015·Granted Sep 6, 2016·0 cites·8 claims
- 3848US9329519B2Charging roller, charging device and image forming apparatus incorporating same, and method of calculating resistance of charging rollerKIKUCHI HISASHI·Filed 2015·Granted May 3, 2016·0 cites·20 claims
- 3947US2005164108A1Lubricant for electrophotography, lubricant applying unit, process cartridge, and image forming apparatusFiled 2004·Application pending·0 cites
- 4046US11372363B2Image forming apparatus and image forming methodRICOH CO LTD·Filed 2020·Granted Jun 28, 2022·0 cites·8 claims
- 4145US10031466B2Cleaning blade, image forming apparatus, and process cartridgeWATANABE KAZUHIKO·Filed 2015·Granted Jul 24, 2018·0 cites·10 claims
- 4245US8494428B2Lubricant applicator, process unit including the lubricant applicator, transfer unit including the lubricant applicator, and image forming apparatus including the process unit or the transfer unitAZEYANAGI YUTA·Filed 2010·Granted Jul 23, 2013·0 cites·15 claims
- 4344US2014161501A1Image forming deviceWATANABE KAZUHIKO·Filed 2013·Application pending·0 cites
- 4444US2014233998A1Image forming apparatus and process cartridgeWATANABE KAZUHIKO·Filed 2014·Application pending·0 cites
- 4544US2007036595A1Cleaning unit, process cartridge, image forming apparatus, and tonerAMEMIYA KEN·Filed 2006·Application pending·0 cites
- 4642USD468345SToner cartridgeRICOH KK·Filed 2002·Granted Jan 7, 2003·4 cites·1 claims
- 4737US9904233B2Blade, cleaning device, and image forming apparatus incorporating sameSHIMIZU EISUKE·Filed 2016·Granted Feb 27, 2018·0 cites·11 claims
- 4837US2005191574A1Method and apparatus for electrophotographic image forming capable of using a toner enhancing image quality and cleanability, and the toner used in the image formingFiled 2005·Application pending·0 cites
- 4937US2011170908A1Lubricant supplying device, process cartridge, and image forming apparatusRICOH CO LTD·Filed 2010·Application pending·0 cites
- 5037US2005232665A1Image forming apparatus, process cartridge, lubrication method, and tonerTOSHIO KOIKE·Filed 2005·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →