Inventor · disambiguated record
Takayuki Koike
Also filed as: KOIKE TAKAYUKI
19 granted patents·438 citations·filing 2000–2017
96Inventor score
Top patents by PatentIndex Score
19 records- 0198US7171145B2Developing device and process cartridge for an image forming apparatusRICOH KK·Filed 2006·Granted Jan 30, 2007·44 cites·12 claims
- 0297US7356288B2Developing apparatus having improved agitation effectRICOH KK·Filed 2005·Granted Apr 8, 2008·39 cites·24 claims
- 0397US7346286B2Method and apparatus for image forming effectively detecting deterioration of developerRICOH KK·Filed 2005·Granted Mar 18, 2008·37 cites·40 claims
- 0495US7245853B2Developer container, developer supplying unit, and image forming apparatusRICOH KK·Filed 2004·Granted Jul 17, 2007·59 cites·22 claims
- 0594US6946229B2Toner for forming color image, image forming apparatus, and toner containerRICOH KK·Filed 2003·Granted Sep 20, 2005·54 cites·22 claims
- 0693US7127198B2Image forming apparatus including a developer replenishing device for a two-ingredient type developerRICOH KK·Filed 2004·Granted Oct 24, 2006·38 cites·22 claims
- 0793US6887636B2Toner for two-component developer, image forming method and device for developing electrostatic latent imageRICOH KK·Filed 2002·Granted May 3, 2005·45 cites·38 claims
- 0891US7512364B2Image forming apparatus including a developer replenishing device for a two-ingredient type developerRICOH KK·Filed 2006·Granted Mar 31, 2009·10 cites·8 claims
- 0988US7444107B2Image forming method and apparatus having a unit for conveying toner and carrier particles from a cleaning unit to a developing unitRICOH KK·Filed 2005·Granted Oct 28, 2008·9 cites·25 claims
- 1086US7344812B2Developer for developing electrostatic latent image and image forming apparatusRICOH KK·Filed 2003·Granted Mar 18, 2008·26 cites·8 claims
- 1184US9020093B2Two-dimensional collimator module, X-ray detector, X-ray CT apparatus, and method for assembling two-dimensional collimator moduleKUROCHI HARUO·Filed 2012·Granted Apr 28, 2015·9 cites·20 claims
- 1284US7809322B2Image forming apparatus and process cartridge therefore having a cleaner section which stores unused developerRICOH KK·Filed 2008·Granted Oct 5, 2010·6 cites·11 claims
- 1381US7103305B2Developing apparatus for image forming apparatusRICOH KK·Filed 2004·Granted Sep 5, 2006·18 cites·10 claims
- 1473US8180261B2Image forming apparatus including a developer replenishing device which uses an air feeding device for a two-ingredient type developerMURAMATSU SATOSHI·Filed 2009·Granted May 15, 2012·3 cites·8 claims
- 1573US7116932B2Developing unit and image forming apparatusRICOH KK·Filed 2004·Granted Oct 3, 2006·13 cites·44 claims
- 1672US7024141B2Developing device and process cartridge for an image forming apparatusRICOH KK·Filed 2003·Granted Apr 4, 2006·10 cites·19 claims
- 1769US6324942B1Engine crankshaft made by forgingISUZU MOTORS LTD·Filed 2000·Granted Dec 4, 2001·14 cites·6 claims
- 1851US7245861B2Developing 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
- 1945US10711673B2Exhaust purification system and control methodISUZU MOTORS LTD·Filed 2017·Granted Jul 14, 2020·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →