Inventor · disambiguated record
Keiichi Kikawa
Also filed as: KIKAWA KEIICHI
32 granted patents·10 pending applications·54 citations·filing 1997–2025
94Inventor score
Top patents by PatentIndex Score
42 records- 0190US7770828B2Method of manufacturing resin particlesSHARP KK·Filed 2007·Granted Aug 10, 2010·10 cites·6 claims
- 0282US8609316B2Method for manufacturing capsule tonerHARA TAKASHI·Filed 2011·Granted Dec 17, 2013·3 cites·4 claims
- 0372US8197999B2Method for manufacturing toner, toner, developer, developing device, and image forming apparatusKAWASE YOSHITAKA·Filed 2009·Granted Jun 12, 2012·4 cites·9 claims
- 0472US8067143B2Functional particle and manufacturing method thereofKIKAWA KEIICHI·Filed 2007·Granted Nov 29, 2011·4 cites·5 claims
- 0572US2025298330A1Toner and two-component developer containing sameSHARP KK·Filed 2025·Application pending·0 cites
- 0667US8431317B2Method for manufacturing capsule tonerTSUBAKI YORITAKA·Filed 2011·Granted Apr 30, 2013·1 cites·2 claims
- 0766US6056531AApparatus for vacuum forming synthetic resin productsHONDA MOTOR CO LTD·Filed 1997·Granted May 2, 2000·28 cites·8 claims
- 0865US7910279B2Method of manufacturing aggregate particles and tonerSHARP KK·Filed 2007·Granted Mar 22, 2011·2 cites·10 claims
- 0964US9969125B2Vibration welding device and vibration welding methodHONDA MOTOR CO LTD·Filed 2014·Granted May 15, 2018·1 cites·6 claims
- 1059US11619889B2Two-component developer, developing device, and image forming deviceSHARP KK·Filed 2021·Granted Apr 4, 2023·0 cites·15 claims
- 1158US9274447B2Two-component color developer and image formation device using sameSAWAI TADAYUKI·Filed 2012·Granted Mar 1, 2016·1 cites·4 claims
- 1257US10732531B2Toner, two-component developer, and method for producing tonerSHARP KK·Filed 2019·Granted Aug 4, 2020·0 cites·2 claims
- 1357US9535350B2Method for producing ground tonerSHARP KK·Filed 2016·Granted Jan 3, 2017·0 cites·3 claims
- 1454US2015024311A1Toner, two-component developer, image formation device using same, and image formation methodSHARP KK·Filed 2013·Application pending·0 cites
- 1553US7833446B2Method of manufacturing aggregated particlesSHARP KK·Filed 2007·Granted Nov 16, 2010·0 cites·7 claims
- 1652US7931876B2Method and apparatus for manufacturing developer, and developerSHARP KK·Filed 2008·Granted Apr 26, 2011·0 cites·11 claims
- 1751US9250549B2Full-color toner set, full-color developer set, image-formation method using same, and image-formation deviceSHARP KK·Filed 2013·Granted Feb 2, 2016·0 cites·4 claims
- 1851US7887986B2Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatusSHARP KK·Filed 2008·Granted Feb 15, 2011·0 cites·10 claims
- 1948US8431305B2Capsule toner, two-component developer, and image forming apparatusKIKAWA KEIICHI·Filed 2010·Granted Apr 30, 2013·0 cites·3 claims
- 2048US8097395B2Method of manufacturing toner particles, toner particles, two-component developer, developing device and image forming apparatusMATSUMOTO KATSURU·Filed 2010·Granted Jan 17, 2012·0 cites·6 claims
- 2146US8187783B2Method of manufacturing toner, toner, two-component developer, developing device and image forming apparatusKIKAWA KEIICHI·Filed 2008·Granted May 29, 2012·0 cites·11 claims
- 2246US7687214B2Two-component developer and image formation methodSHARP KK·Filed 2005·Granted Mar 30, 2010·0 cites·3 claims
- 2345US8092968B2Toner, method of manufacturing toner, developer, two-component developer, developing device, and image forming apparatusKIKAWA KEIICHI·Filed 2009·Granted Jan 10, 2012·0 cites·12 claims
- 2445US2006084002A1Two-component developer and image formation methodSHARP KK·Filed 2005·Application pending·0 cites
- 2544US8163458B2Method of manufacturing toner, toner, two-component developer, developing device, and image forming apparatusKIKAWA KEIICHI·Filed 2008·Granted Apr 24, 2012·0 cites·10 claims
- 2643US8431315B2Capsule toner, method of manufacturing the same, and two-component developerMUTOH YOSHINORI·Filed 2010·Granted Apr 30, 2013·0 cites·10 claims
- 2743US8431316B2Toner manufacturing methodAKAZAWA YOSHIAKI·Filed 2010·Granted Apr 30, 2013·0 cites·4 claims
- 2842US8399171B2Method of manufacturing resin-layer coated carrier, resin-layer coated carrier, developer, developing device, and image forming apparatusHARA TAKASHI·Filed 2010·Granted Mar 19, 2013·0 cites·13 claims
- 2942US8021817B2Aggregate dispersant, method of manufacturing aggregate of resin-containing particles, toner, developer, developing apparatus, and image forming apparatusSHARP KK·Filed 2007·Granted Sep 20, 2011·0 cites·11 claims
- 3041US8389194B2Method of manufacturing toner, toner obtained by method thereof, one-component developer, two-component developer, developing device and image forming apparatusAKAZAWA YOSHIAKI·Filed 2010·Granted Mar 5, 2013·0 cites·13 claims
- 3141US8389195B2Capsule toner and method of manufacturing capsule tonerTSUBAKI YORITAKA·Filed 2010·Granted Mar 5, 2013·0 cites·4 claims
- 3240US7781139B2Toner manufacturing methodSHARP KK·Filed 2006·Granted Aug 24, 2010·0 cites·9 claims
- 3340US2008311501A1Toner particles, method of manufacturing the same, two-component developer, developing device, and image forming apparatusSHARP KK·Filed 2008·Application pending·0 cites
- 3439US7955771B2Toner for electrostatic image development and process for preparing the sameSHARP KK·Filed 2006·Granted Jun 7, 2011·0 cites·8 claims
- 3538US8389193B2Method of manufacturing toner, toner obtained by method thereof, one-component developer, two-component developer, developing device, and image forming apparatusHARA TAKASHI·Filed 2010·Granted Mar 5, 2013·0 cites·10 claims
- 3638US8304158B2Method for manufacturing toner, toner, developer, developing device, and image forming apparatusMUTOH YOSHINORI·Filed 2009·Granted Nov 6, 2012·0 cites·13 claims
- 3738US2015079513A1Toner for electrostatic image development, two-component developer for replenishing, image-formation method using same, and image-formation deviceSHARP KK·Filed 2013·Application pending·0 cites
- 3837US2004161686A1Method and apparatus for manufacturing developer, and developerSHARP KK·Filed 2004·Application pending·0 cites
- 3936US2010104323A1Toner, developer, developing device and image forming apparatusTOIZUMI KIYOSHI·Filed 2009·Application pending·0 cites
- 4035US2011053074A1Capsule toner and method of manufacturing the sameHARA TAKASHI·Filed 2010·Application pending·0 cites
- 4135US2009258310A1Producing method of spherical particle, spherical particle, toner, developer, developing device and image forming apparatusMATSUMOTO KATSURU·Filed 2009·Application pending·0 cites
- 4233US2006183045A1Developing agent and process for producing the sameNAKANO SHINICHI·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →