Inventor · disambiguated record
Hideo Ichikawa
Also filed as: ICHIKAWA HIDEO
43 granted patents·2 pending applications·1,497 citations·filing 1984–2013
98Inventor score
Top patents by PatentIndex Score
45 records- 0198US6289195B1Developer replenishing device and developer container for use therewithRICOH KK·Filed 2000·Granted Sep 11, 2001·79 cites·31 claims
- 0298US6075963ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1999·Granted Jun 13, 2000·108 cites·5 claims
- 0398US5500719ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1995·Granted Mar 19, 1996·92 cites·35 claims
- 0498US5455662ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1993·Granted Oct 3, 1995·153 cites·45 claims
- 0597US5918090ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1998·Granted Jun 29, 1999·64 cites·2 claims
- 0697US5822663ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1996·Granted Oct 13, 1998·72 cites·4 claims
- 0797US5727607APowder feeding method and apparatus for feeding powders with a fluid with increased precisionRICOH KK·Filed 1996·Granted Mar 17, 1998·146 cites·23 claims
- 0897US5627631ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1996·Granted May 6, 1997·78 cites·7 claims
- 0996US5655195AToner cartridge for a developing device included in an image forming apparatusRICOH KK·Filed 1995·Granted Aug 5, 1997·82 cites·11 claims
- 1095US7792468B2Developer storage container and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2008·Granted Sep 7, 2010·19 cites·5 claims
- 1194US5489976AToner replenishing device for a developing device of an image forming apparatusRICOH KK·Filed 1995·Granted Feb 6, 1996·69 cites·4 claims
- 1292US6751431B2Developer replenishing device and developer container for use therewithRICOH KK·Filed 2002·Granted Jun 15, 2004·25 cites·15 claims
- 1392US5362041ASheet registering unit for an image forming apparatusFUJI XEROX CO LTD·Filed 1993·Granted Nov 8, 1994·51 cites·20 claims
- 1490US6088561AToner cartridge, image formation apparatus comprising toner cartridge, and method of recycling the toner cartridgeRICOH KK·Filed 1997·Granted Jul 11, 2000·52 cites·61 claims
- 1589US8929776B2Nozzle, image forming apparatus, and method of deriving powderYAMABE JUNJI·Filed 2013·Granted Jan 6, 2015·5 cites·3 claims
- 1689US7792469B2Developer storage container and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2009·Granted Sep 7, 2010·9 cites·3 claims
- 1789USD376614SToner bottleRICOH CO LTD·Filed 1994·Granted Dec 17, 1996·36 cites·1 claims
- 1888US7106995B2Developer cartridge container, developer cartridge, image forming unit, recycling method of developer cartridge container, and recycling method of developer cartridgeFUJI XEROX CO LTD·Filed 2004·Granted Sep 12, 2006·32 cites·17 claims
- 1987US8973759B2Sieving device, sieving device for developing device, and powder-charging deviceICHIKAWA HIDEO·Filed 2012·Granted Mar 10, 2015·7 cites·13 claims
- 2086US6854493B2Apparatus and method of filling microscopic powderRICOH KK·Filed 2003·Granted Feb 15, 2005·25 cites·88 claims
- 2184US6418293B2Developer replenishing device and developer container for use therewithRICOH KK·Filed 2001·Granted Jul 9, 2002·30 cites·23 claims
- 2284USD356813SToner bottleRICOH CO LTD·Filed 1993·Granted Mar 28, 1995·27 cites·1 claims
- 2381US5711353APowder filling method and powder filling deviceRICOH KK·Filed 1996·Granted Jan 27, 1998·40 cites·8 claims
- 2479US8934816B2Sieve device, powder transporting unit, image forming apparatus, and method of transporting powderYAMABE JUNJI·Filed 2013·Granted Jan 13, 2015·2 cites·14 claims
- 2578US8369751B2Conveyor, developer cartridge, and filling methodFUJI XEROX CO LTD·Filed 2008·Granted Feb 5, 2013·5 cites·10 claims
- 2678US7715765B2Detachable cartridge and image forming apparatusFUJI XEROX CO LTD·Filed 2007·Granted May 11, 2010·5 cites·10 claims
- 2778US5740507ADensely packed toner container and method of producing the sameRICOH KK·Filed 1996·Granted Apr 14, 1998·57 cites·15 claims
- 2878USD389176SToner bottleRICOH CO LTD·Filed 1994·Granted Jan 13, 1998·20 cites·1 claims
- 2977US6901230B2Toner container having lid including lugRICOH KK·Filed 2004·Granted May 31, 2005·8 cites·21 claims
- 3075USD365359SToner bottleRICOH CO LTD·Filed 1994·Granted Dec 19, 1995·16 cites·1 claims
- 3171USRE37542EToner cartridge for a developing device included in an image forming apparatusRICOH KK·Filed 1999·Granted Feb 5, 2002·17 cites·34 claims
- 3270US9022220B2Sieving system, and methods of notifying information, driving and feedingOZEKI KAORI·Filed 2013·Granted May 5, 2015·4 cites·11 claims
- 3370US8929777B2Sieve device, supply unit, developing unit, image forming apparatus, and method of supplying toner particlesYAMABE JUNJI·Filed 2013·Granted Jan 6, 2015·1 cites·16 claims
- 3469US7869747B2Developer container and method for filling the sameFUJI XEROX CO LTD·Filed 2008·Granted Jan 11, 2011·3 cites·7 claims
- 3558US5384630APressure roller driver for sheet forwarding apparatusFUJI XEROX CO LTD·Filed 1993·Granted Jan 24, 1995·12 cites·2 claims
- 3649US7191514B2Stretch label attaching deviceRICOH KK·Filed 2003·Granted Mar 20, 2007·2 cites·19 claims
- 3748US6010324AMold clamping unit and method of positioning mold in mold clamping unitTOSHIBA MACHINE CO LTD·Filed 1997·Granted Jan 4, 2000·14 cites·20 claims
- 3847US2007209761A1Stretch label affixing jigHITOSUGI TERUO·Filed 2007·Application pending·0 cites
- 3946US4735983AFlame-retardant styrene-base resin compositionMITSUI TOATSU CHEMICALS·Filed 1987·Granted Apr 5, 1988·9 cites·5 claims
- 4045US5322198APump-equipped liquid supply systemRICOH KK·Filed 1993·Granted Jun 21, 1994·13 cites·1 claims
- 4145US4669854AElectrostatic charge-removing device having filterFUJI XEROX CO LTD·Filed 1984·Granted Jun 2, 1987·7 cites·2 claims
- 4243US8478172B2Transport member for powder transport, developing powder accommodation container, and image forming apparatusICHIKAWA HIDEO·Filed 2009·Granted Jul 2, 2013·0 cites·7 claims
- 4342US8401438B2Conveyance member, developer cartridge, and image-forming apparatusICHIKAWA HIDEO·Filed 2010·Granted Mar 19, 2013·0 cites·20 claims
- 4442US2007113957A1Stretch label attaching device and method for attaching stretch labelKAWAGUCHI MAKOTO·Filed 2007·Application pending·0 cites
- 4530US5255828ALiquid developer supply system with pump for discharging fixed amounts of liquid developerRICOH KK·Filed 1991·Granted Oct 26, 1993·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →