Inventor · disambiguated record
Takeshi Naka
Also filed as: NAKA TAKESHI
26 granted patents·4 pending applications·671 citations·filing 1996–2017
97Inventor score
Top patents by PatentIndex Score
30 records- 0198US9715188B2TonerCANON KK·Filed 2014·Granted Jul 25, 2017·32 cites·8 claims
- 0298US9588450B2Magnetic tonerCANON KK·Filed 2014·Granted Mar 7, 2017·37 cites·4 claims
- 0398US9575425B2TonerCANON KK·Filed 2014·Granted Feb 21, 2017·29 cites·8 claims
- 0498US8927188B2Method of producing magnetic carrier and magnetic carrier that uses this production methodCANON KK·Filed 2013·Granted Jan 6, 2015·60 cites·2 claims
- 0597US9897932B2TonerCANON KK·Filed 2017·Granted Feb 20, 2018·37 cites·5 claims
- 0697US9778583B2Toner and imaging methodCANON KK·Filed 2015·Granted Oct 3, 2017·23 cites·13 claims
- 0797US7611813B2Toner and image forming methodCANON KK·Filed 2007·Granted Nov 3, 2009·58 cites·4 claims
- 0896US8323726B2Production method of magnetic carrier and magnetic carrier produced therewithNAKA TAKESHI·Filed 2010·Granted Dec 4, 2012·52 cites·3 claims
- 0995US10228630B2Toner and method of producing tonerCANON KK·Filed 2017·Granted Mar 12, 2019·11 cites·12 claims
- 1093US6586151B1Toner, process for producing toner image forming method and apparatus unitCANON KK·Filed 2000·Granted Jul 1, 2003·44 cites·31 claims
- 1190US6703176B2Toner, process for producing toner image forming method and apparatus unitCANON KK·Filed 2002·Granted Mar 9, 2004·34 cites·39 claims
- 1283US5801518APulse frequency modulated DC-DC converterSEIKO INSTR INC·Filed 1996·Granted Sep 1, 1998·90 cites·17 claims
- 1381US6495303B1Process of producing polymerized tonerCANON KK·Filed 2000·Granted Dec 17, 2002·20 cites·7 claims
- 1477US7675276B2DC/DC converterTOREX SEMICONDUCTOR LTD·Filed 2006·Granted Mar 9, 2010·15 cites·6 claims
- 1575US6630277B2Toner production systemCANON KK·Filed 2001·Granted Oct 7, 2003·17 cites·26 claims
- 1675US6537715B2Toner, image-forming method and process cartridgeCANON KK·Filed 2001·Granted Mar 25, 2003·16 cites·36 claims
- 1774US7638994B2Switching power supply circuitTOREX SEMICONDUCTOR LTD·Filed 2007·Granted Dec 29, 2009·12 cites·19 claims
- 1870US6580253B2Boosting and step-down switching regulator controlling circuit and boosting and step-down switching regulator for use in the sameSEIKO INSTR INC·Filed 2002·Granted Jun 17, 2003·25 cites·11 claims
- 1967US7358024B2Process for producing toner, and apparatus for modifying surfaces of toner particlesCANON KK·Filed 2004·Granted Apr 15, 2008·7 cites·14 claims
- 2066US7545129B2Switching power supply circuitTOREX SEMICONDUCTOR LTD·Filed 2007·Granted Jun 9, 2009·8 cites·8 claims
- 2162US7518428B2Phase compensation circuit and power circuit having sameTOREX SEMICONDUCTOR LTD·Filed 2005·Granted Apr 14, 2009·9 cites·4 claims
- 2259US7506830B2Apparatus for modifying surfaces of toner particlesCANON KK·Filed 2008·Granted Mar 24, 2009·1 cites·3 claims
- 2357US7459895B2Power circuitTOREX DEVICE CO LTD·Filed 2005·Granted Dec 2, 2008·7 cites·7 claims
- 2456US7142040B2Stabilized power supply circuitTOREX DEVICE CO LTD·Filed 2004·Granted Nov 28, 2006·15 cites·6 claims
- 2556US7135844B2Control circuit for DC/DC converterDEVICE ENGINEERING CO LTD·Filed 2004·Granted Nov 14, 2006·12 cites·6 claims
- 2652US2011089085A1Process for producing tonerCANON KK·Filed 2010·Application pending·0 cites
- 2737US2005164115A1Process for producing tonerCANON KK·Filed 2004·Application pending·0 cites
- 2836US2012214097A1Magnetic carrier and two-component developerNAKA TAKESHI·Filed 2011·Application pending·0 cites
- 2934US6853172B2Switching regulatorSEIKO INSTR INC·Filed 2003·Granted Feb 8, 2005·0 cites·1 claims
- 3034US2015125790A1Magnetic tonerCANON KK·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →