Inventor · disambiguated record
Sunao Ikeda
Also filed as: IKEDA SUNAO
34 granted patents·2 pending applications·1,197 citations·filing 1976–2015
98Inventor score
Top patents by PatentIndex Score
36 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
- 0697US5727607APowder feeding method and apparatus for feeding powders with a fluid with increased precisionRICOH KK·Filed 1996·Granted Mar 17, 1998·146 cites·23 claims
- 0797US5627631ADeveloper replenishing device and developer container for use therewithRICOH KK·Filed 1996·Granted May 6, 1997·78 cites·7 claims
- 0896US5655195AToner cartridge for a developing device included in an image forming apparatusRICOH KK·Filed 1995·Granted Aug 5, 1997·82 cites·11 claims
- 0992US6751431B2Developer replenishing device and developer container for use therewithRICOH KK·Filed 2002·Granted Jun 15, 2004·25 cites·15 claims
- 1084US6418293B2Developer replenishing device and developer container for use therewithRICOH KK·Filed 2001·Granted Jul 9, 2002·30 cites·23 claims
- 1182US4076402AElectrophotographic apparatus with detachable photoconductive drumRICOH KK·Filed 1976·Granted Feb 28, 1978·20 cites·10 claims
- 1281US5711353APowder filling method and powder filling deviceRICOH KK·Filed 1996·Granted Jan 27, 1998·40 cites·8 claims
- 1378US5740507ADensely packed toner container and method of producing the sameRICOH KK·Filed 1996·Granted Apr 14, 1998·57 cites·15 claims
- 1477US6901230B2Toner container having lid including lugRICOH KK·Filed 2004·Granted May 31, 2005·8 cites·21 claims
- 1576US4449813ACollating apparatus for copying machineRICOH KK·Filed 1983·Granted May 22, 1984·19 cites·7 claims
- 1676US4439865ACopier sorter with memory and counter controlled inlet gate for manually inserted covers or partition sheetsRICOH KK·Filed 1981·Granted Mar 27, 1984·19 cites·1 claims
- 1776US4056315ASqueeze roller retraction assemblyRICOH KK·Filed 1976·Granted Nov 1, 1977·17 cites·8 claims
- 1875US6407282B1Process for producing monoester from dicarboxylic acid fluorideNIPPON MEKTRON KK·Filed 2000·Granted Jun 18, 2002·7 cites·4 claims
- 1975US4330200ACopying machine with collating apparatusRICOH KK·Filed 1980·Granted May 18, 1982·20 cites·4 claims
- 2074US4361319ABin for receiving sheetsRICOH KK·Filed 1980·Granted Nov 30, 1982·19 cites·4 claims
- 2171USRE37542EToner cartridge for a developing device included in an image forming apparatusRICOH KK·Filed 1999·Granted Feb 5, 2002·17 cites·34 claims
- 2269US8513459B2Process for producing perfluoropolyether carboxylic acid fluorideIKEDA SUNAO·Filed 2007·Granted Aug 20, 2013·2 cites·10 claims
- 2368US4482147ASheet arranging systemRICOH KK·Filed 1982·Granted Nov 13, 1984·16 cites·3 claims
- 2465US9604918B2Carboxylic acid ester/carbamate compound with polymerizable functional group and fluorine atom group, and manufacturing method thereforUNIMATEC CO LTD·Filed 2015·Granted Mar 28, 2017·1 cites·6 claims
- 2561US4349190ASheet classifying system having deflecting deviceRICOH KK·Filed 1980·Granted Sep 14, 1982·13 cites·5 claims
- 2660US4860057AAutomatic original circulating and feeding apparatusRICOH KK·Filed 1988·Granted Aug 22, 1989·12 cites·4 claims
- 2756US4921236ARecycling automatic document feederRICOH KK·Filed 1989·Granted May 1, 1990·20 cites·2 claims
- 2855US4912501AAutomatic original circulating and feeding apparatusRICOH KK·Filed 1989·Granted Mar 27, 1990·7 cites·8 claims
- 2954US7737299B2Process for producing 2,2,3,3,-tetrafluorooxetaneUNIMATEC CO LTD·Filed 2005·Granted Jun 15, 2010·0 cites·8 claims
- 3054US4353543ASorter connection apparatusRICOH KK·Filed 1980·Granted Oct 12, 1982·10 cites·4 claims
- 3149US4365887ASheet distribution method and apparatusRICOH KK·Filed 1980·Granted Dec 28, 1982·8 cites·15 claims
- 3248US4903085AAutomatic original circulating and feeding apparatusRICOH KK·Filed 1988·Granted Feb 20, 1990·8 cites·1 claims
- 3345US2003125463A1Fluoroelastomer compositionNIPPON MEKTRON KK·Filed 2002·Application pending·0 cites
- 3444US7135592B2Process for producing polyfluoroalkyl ester of unsaturated carboxylic acidUNIMATEC CO LTD·Filed 2005·Granted Nov 14, 2006·0 cites·13 claims
- 3542US8853462B2Method for producing hexafluoroacetone or hydrate thereofOGAWA YUTA·Filed 2012·Granted Oct 7, 2014·0 cites·6 claims
- 3637US2002032292A1Fluoroelastomer and production thereofFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →