Inventor · disambiguated record
Hiromitsu Takagaki
Also filed as: TAKAGAKI HIROMITSU
33 granted patents·620 citations·filing 1987–2010
97Inventor score
Technology areasG03G
Top patents by PatentIndex Score
33 records- 0198US7171145B2Developing device and process cartridge for an image forming apparatusRICOH KK·Filed 2006·Granted Jan 30, 2007·44 cites·12 claims
- 0297US7526242B2Transferring apparatus and image forming apparatusRICOH KK·Filed 2006·Granted Apr 28, 2009·33 cites·15 claims
- 0397US7269384B2Transfer-fixing unit with a surface layer of predefined hardness for use in an image forming apparatusRICOH KK·Filed 2005·Granted Sep 11, 2007·39 cites·22 claims
- 0497US5493382AImage forming apparatus with toner recycling deviceRICOH KK·Filed 1993·Granted Feb 20, 1996·84 cites·12 claims
- 0595US7209685B2Developing device, image forming apparatus and process cartridge including replenishment openingsRICOH KK·Filed 2005·Granted Apr 24, 2007·19 cites·17 claims
- 0695US5502552ADeveloping device for an image forming apparatusRICOH KK·Filed 1994·Granted Mar 26, 1996·74 cites·14 claims
- 0794US5737680AImage forming apparatus with toner recycling deviceRICOH KK·Filed 1996·Granted Apr 7, 1998·59 cites·8 claims
- 0893US7551882B2Image forming apparatus equipping improved transfer fixing apparatusRICOH KK·Filed 2007·Granted Jun 23, 2009·16 cites·20 claims
- 0993US4792825ARotary developing device for image-forming apparatusRICOH KK·Filed 1987·Granted Dec 20, 1988·43 cites·5 claims
- 1091US7711301B2Image transfer device for image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·13 cites·32 claims
- 1191US7643767B2Transfer-fixing unit and image forming apparatus for enhanced image qualityRICOH KK·Filed 2007·Granted Jan 5, 2010·13 cites·20 claims
- 1290US5604575AImage forming apparatus with toner recycling deviceRICOH KK·Filed 1995·Granted Feb 18, 1997·41 cites·6 claims
- 1389US7711300B2Image forming apparatusRICOH KK·Filed 2007·Granted May 4, 2010·11 cites·7 claims
- 1487US7181155B2Developer supplying device, developing roller, developing device, image forming apparatus and process cartridgeRICOH KK·Filed 2005·Granted Feb 20, 2007·9 cites·25 claims
- 1585US7790343B2Process, toner, process cartridge and apparatus for developing a toner imageRICOH KK·Filed 2007·Granted Sep 7, 2010·8 cites·23 claims
- 1685US4821075ADeveloping device and developer supply device for the sameRICOH KK·Filed 1987·Granted Apr 11, 1989·28 cites·10 claims
- 1784US5467175ADeveloping device for an image forming apparatusRICOH KK·Filed 1993·Granted Nov 14, 1995·30 cites·8 claims
- 1876US7869752B2Cleaning device, fixing device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jan 11, 2011·4 cites·15 claims
- 1975US8483601B2Transfer fixing device and image forming apparatus incorporating sameSAITO KAZUYA·Filed 2010·Granted Jul 9, 2013·2 cites·18 claims
- 2074US7613419B2Image forming apparatus and image forming method characterized by a particular nip timeRICOH KK·Filed 2006·Granted Nov 3, 2009·4 cites·19 claims
- 2173US7116932B2Developing unit and image forming apparatusRICOH KK·Filed 2004·Granted Oct 3, 2006·13 cites·44 claims
- 2272US7024141B2Developing device and process cartridge for an image forming apparatusRICOH KK·Filed 2003·Granted Apr 4, 2006·10 cites·19 claims
- 2370US7856201B2Image transfer fixation apparatus and image formation apparatusRICOH CO LTD·Filed 2008·Granted Dec 21, 2010·3 cites·10 claims
- 2469US8509675B2Image forming apparatus with adjustable recording medium heatingSETO TAKASHI·Filed 2009·Granted Aug 13, 2013·3 cites·20 claims
- 2562US7359661B2Developing method, developing device, and image forming apparatus including the developing device that minimizes deterioration of developerRICOH KK·Filed 2005·Granted Apr 15, 2008·2 cites·18 claims
- 2661US6853822B2Device for removing image disfiguring substances and image forming apparatus using the sameRICOH KK·Filed 2001·Granted Feb 8, 2005·7 cites·90 claims
- 2757US7970325B2Transfer fixing member, transfer fixing device and image forming apparatusRICOH CO LTD·Filed 2008·Granted Jun 28, 2011·1 cites·6 claims
- 2857US7912412B2Transfer-fixing device, image forming apparatus including the transfer-fixing device, and transfer-fixing methodRICOH CO LTD·Filed 2008·Granted Mar 22, 2011·1 cites·19 claims
- 2957US7907881B2Transfer-fixing device, image forming apparatus, and transfer-fixing methodRICOH CO LTD·Filed 2008·Granted Mar 15, 2011·1 cites·22 claims
- 3056US8200135B2Transfer-fixing devices with heating and temperature equalizing capabilities, and apparatuses and methods using the sameFUJITA TAKASHI·Filed 2008·Granted Jun 12, 2012·1 cites·20 claims
- 3151US7245861B2Developing device, image forming apparatus and process cartridge including the developing device, and developing methodRICOH KK·Filed 2004·Granted Jul 17, 2007·4 cites·18 claims
- 3248US8571452B2Transfer and fixing device using radiant heating and image forming apparatus using sameSETO TAKASHI·Filed 2009·Granted Oct 29, 2013·0 cites·20 claims
- 3344US8422925B2Transfer-fixing device and image forming apparatus incorporating sameFUJITA TAKASHI·Filed 2010·Granted Apr 16, 2013·0 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →