Inventor · disambiguated record
Hirohide Tanikawa
Also filed as: TANIKAWA HIROHIDE
71 granted patents·7 pending applications·2,071 citations·filing 1986–2009
99Inventor score
Top patents by PatentIndex Score
78 records- 0198US7396626B2TonerCANON KK·Filed 2005·Granted Jul 8, 2008·55 cites·6 claims
- 0297US8142972B2Developer for replenishment and image forming methodHOTTA YOJIRO·Filed 2006·Granted Mar 27, 2012·53 cites·6 claims
- 0397US7816063B2Color toner and two-component developerCANON KK·Filed 2009·Granted Oct 19, 2010·31 cites·1 claims
- 0497US7611813B2Toner and image forming methodCANON KK·Filed 2007·Granted Nov 3, 2009·58 cites·4 claims
- 0597US7455947B2Yellow toner, image forming apparatus and a method for producing a tonerCANON KK·Filed 2007·Granted Nov 25, 2008·26 cites·3 claims
- 0697US7442478B2Toner and method for forming imageCANON KK·Filed 2007·Granted Oct 28, 2008·34 cites·5 claims
- 0797US6203959B1TonerCANON KK·Filed 2000·Granted Mar 20, 2001·80 cites·16 claims
- 0897US5202213ADeveloper with surface treated silicic acid for developing electrostatic imageCANON KK·Filed 1992·Granted Apr 13, 1993·76 cites·24 claims
- 0996US5968701AToner and image forming methodCANON KK·Filed 1998·Granted Oct 19, 1999·79 cites·55 claims
- 1095US7288348B2Color tonerCANON KK·Filed 2004·Granted Oct 30, 2007·60 cites·13 claims
- 1195US7279262B2Magnetic carrier and two-component developerCANON KK·Filed 2004·Granted Oct 9, 2007·60 cites·21 claims
- 1295US5009973AImage forming method and image forming apparatusCANON KK·Filed 1989·Granted Apr 23, 1991·53 cites·99 claims
- 1395US4985327ANon-magnetic tonerCANON KK·Filed 1990·Granted Jan 15, 1991·64 cites·35 claims
- 1494US6235441B1Positively chargeable toner, image forming method and image forming apparatusCANON KK·Filed 1999·Granted May 22, 2001·67 cites·87 claims
- 1594US6156471AToner and image forming methodCANON KK·Filed 2000·Granted Dec 5, 2000·51 cites·35 claims
- 1694US5014089ADeveloper in an image forming device having a binding resin and magnetic powderCANON KK·Filed 1990·Granted May 7, 1991·56 cites·3 claims
- 1794US4957840ADeveloper and image forming deviceCANON KK·Filed 1988·Granted Sep 18, 1990·44 cites·22 claims
- 1892US6875549B2Dry toner, toner production process, image forming method and process cartridgeCANON KK·Filed 2002·Granted Apr 5, 2005·41 cites·10 claims
- 1992US5707770AToner for developing electrostatic images, two component type developer, developing method, image forming method, heat fixing method, and process for producing tonerCANON KK·Filed 1995·Granted Jan 13, 1998·51 cites·91 claims
- 2091US5364722AToner for developing electrostatic image and heat-fixing method comprising a hydrocarbon waxCANON KK·Filed 1992·Granted Nov 15, 1994·48 cites·78 claims
- 2190US7138213B2Cyan toner and method for forming an imageCANON KK·Filed 2004·Granted Nov 21, 2006·34 cites·21 claims
- 2290US6881527B2Toner, and process cartridgeCANON KK·Filed 2003·Granted Apr 19, 2005·36 cites·6 claims
- 2390US6653036B1Magnetic toner and image forming methodCANON KK·Filed 1998·Granted Nov 25, 2003·49 cites·34 claims
- 2490US5384224AToner for developing electrostatic imageCANON KK·Filed 1993·Granted Jan 24, 1995·46 cites·33 claims
- 2589US4737432APositively chargeable toner and developer for developing electrostatic images contains di-organo tin borate charge controllerCANON KK·Filed 1986·Granted Apr 12, 1988·32 cites·51 claims
- 2688US7452647B2Color tonerCANON KK·Filed 2004·Granted Nov 18, 2008·28 cites·5 claims
- 2788US7320850B2Magenta tonerCANON KK·Filed 2004·Granted Jan 22, 2008·25 cites·14 claims
- 2888US7112395B2Color tonerCANON KK·Filed 2004·Granted Sep 26, 2006·30 cites·13 claims
- 2988US5202731AImage forming apparatus having an alternating bias electric fieldCANON KK·Filed 1992·Granted Apr 13, 1993·39 cites·23 claims
- 3086US6696211B2Developer, image-forming method, and process cartridgeCANON KK·Filed 2001·Granted Feb 24, 2004·22 cites·70 claims
- 3185US6541174B1Method using toner and developer for developing electrostatic imageCANON KK·Filed 2000·Granted Apr 1, 2003·20 cites·127 claims
- 3285US6077638AToner and developer for developing electrostatic image, process for production thereof and image forming methodCANON KK·Filed 1997·Granted Jun 20, 2000·29 cites·54 claims
- 3384US6458499B1Toner having hydrocarbon wax with specific ester value and hydroxyl valueCANON KK·Filed 2001·Granted Oct 1, 2002·23 cites·33 claims
- 3484US6120961AToner for developing electrostatic imagesCANON KK·Filed 1997·Granted Sep 19, 2000·35 cites·15 claims
- 3584US6020102APositive-chargeable toner, image forming method and apparatus unitCANON KK·Filed 1998·Granted Feb 1, 2000·34 cites·102 claims
- 3682US7544457B2Color toner and two-component developerCANON KK·Filed 2004·Granted Jun 9, 2009·17 cites·5 claims
- 3781US5268248AToner for developing electrostatic image and process for production thereofCANON KK·Filed 1991·Granted Dec 7, 1993·27 cites·41 claims
- 3881US4952476AElectrophotographic magnetic toner containing polyalkylene and vinyl polymerCANON KK·Filed 1989·Granted Aug 28, 1990·23 cites·20 claims
- 3979US6232027B1Toner having negative triboelectric chargeability and image forming methodCANON KK·Filed 1999·Granted May 15, 2001·30 cites·129 claims
- 4078US6673506B2Toner production processCANON KK·Filed 2001·Granted Jan 6, 2004·17 cites·24 claims
- 4178US6426169B1Toner containing azo iron compoundCANON KK·Filed 2000·Granted Jul 30, 2002·17 cites·20 claims
- 4278US5824442ADeveloping method, image forming method, and heat fixing method, with tonerCANON KK·Filed 1997·Granted Oct 20, 1998·24 cites·161 claims
- 4378US5175070AImage forming method and image forming apparatusCANON KK·Filed 1990·Granted Dec 29, 1992·25 cites·23 claims
- 4476US4978597AImage forming method and image forming apparatus utilizing a toner-carrying member with spherical concavitiesCANON KK·Filed 1989·Granted Dec 18, 1990·19 cites·45 claims
- 4574US5504272AMagnetic toner having defined particle distributionCANON KK·Filed 1994·Granted Apr 2, 1996·17 cites·11 claims
- 4672US6630275B2Magnetic toner and process cartridgeCANON KK·Filed 2002·Granted Oct 7, 2003·12 cites·10 claims
- 4772US5500318AToner for developing electrostatic image and fixing methodCANON KK·Filed 1994·Granted Mar 19, 1996·16 cites·33 claims
- 4870US6187496B1Toner and developer for developing electrostatic image, process for production thereof and image forming methodCANON KK·Filed 1997·Granted Feb 13, 2001·16 cites·63 claims
- 4969US6537716B1Toner for developing electrostatic images and heat fixing methodCANON KK·Filed 1996·Granted Mar 25, 2003·20 cites·15 claims
- 5069US4999272AElectrophotographic analog and digital imaging and developing using magnetic tonerCANON KK·Filed 1989·Granted Mar 12, 1991·15 cites·18 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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