Inventor · disambiguated record
Masaaki Kabumoto
Also filed as: KABUMOTO MASAAKI
37 granted patents·1 pending application·619 citations·filing 1992–2023
98Inventor score
Top patents by PatentIndex Score
38 records- 0199US6507720B2Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers thereforRICOH KK·Filed 2001·Granted Jan 14, 2003·209 cites·34 claims
- 0296US8485653B2Compact front-operable image forming apparatusKATSUYAMA GORO·Filed 2011·Granted Jul 16, 2013·10 cites·7 claims
- 0395US7469981B2Compact front-operable image forming apparatusRICOH KK·Filed 2003·Granted Dec 30, 2008·49 cites·19 claims
- 0494US6304739B1Toner container and image forming apparatus using the sameRICOH KK·Filed 1999·Granted Oct 16, 2001·74 cites·59 claims
- 0588USD972008SPrinterRICOH CO LTD·Filed 2020·Granted Dec 6, 2022·13 cites·1 claims
- 0685US8152294B2Compact front-operable image forming apparatusKATSUYAMA GORO·Filed 2008·Granted Apr 10, 2012·5 cites·16 claims
- 0784US6226475B1Image forming apparatus with a plurality of units configured for ease of operationRICOH KK·Filed 2000·Granted May 1, 2001·18 cites·20 claims
- 0882USD956137SImage forming unit for printerRICOH CO LTD·Filed 2020·Granted Jun 28, 2022·9 cites·1 claims
- 0982USD955470SImage forming unit for printerRICOH CO LTD·Filed 2020·Granted Jun 21, 2022·9 cites·1 claims
- 1076US7275808B2Ink cartridge and ink jet printerRICOH KK·Filed 2003·Granted Oct 2, 2007·15 cites·22 claims
- 1174US6389249B2Image forming apparatus with a plurality of units operatively connected togetherRICOH KK·Filed 2001·Granted May 14, 2002·10 cites·22 claims
- 1270USD443891SPrinterRICOH KK·Filed 2000·Granted Jun 19, 2001·17 cites·1 claims
- 1367US6526242B2Image forming apparatus with a plurality of units operatively connected togetherRICOH KK·Filed 2002·Granted Feb 25, 2003·7 cites·18 claims
- 1466USD468762SComposite digital color printer/copy machineRICOH KK·Filed 2002·Granted Jan 14, 2003·14 cites·1 claims
- 1565US6259866B1Image forming apparatusRICOH KK·Filed 1999·Granted Jul 10, 2001·43 cites·12 claims
- 1662USD428914SElectronic copying machineRICOH CO LTD·Filed 1999·Granted Aug 1, 2000·12 cites·1 claims
- 1762USD425108SElectronic copying machineRICOH CO LTD·Filed 1999·Granted May 16, 2000·12 cites·1 claims
- 1862USD349890SOptical filing systemRICOH CO LTD·Filed 1992·Granted Aug 23, 1994·10 cites·1 claims
- 1955USD443886SElectronic copying machineRICOH KK·Filed 1999·Granted Jun 19, 2001·9 cites·1 claims
- 2054USD494616SPrinter ink cartridgeRICOH KK·Filed 2003·Granted Aug 17, 2004·8 cites·1 claims
- 2153USD541335SPrinter ink cartridgeRICOH KK·Filed 2006·Granted Apr 24, 2007·8 cites·1 claims
- 2250USD566170SInkjet printerRICOH KK·Filed 2006·Granted Apr 8, 2008·7 cites·1 claims
- 2350US6396410B1Image forming apparatusRICOH KK·Filed 1999·Granted May 28, 2002·13 cites·4 claims
- 2448USD497383SPrinter ink cartridgeRICOH KK·Filed 2003·Granted Oct 19, 2004·6 cites·1 claims
- 2544USD566757SInkjet printerRICOH KK·Filed 2006·Granted Apr 15, 2008·5 cites·1 claims
- 2644USD548779SPrinter ink cartridgeRICOH KK·Filed 2006·Granted Aug 14, 2007·5 cites·1 claims
- 2743USD429276SAutomatic document feeder for electronic copying machineRICOH CO LTD·Filed 1999·Granted Aug 8, 2000·5 cites·1 claims
- 2842USD497944SInk-jet printerRICOH KK·Filed 2003·Granted Nov 2, 2004·4 cites·1 claims
- 2942USD450753SGatherer for copying machineRICOH KK·Filed 2000·Granted Nov 20, 2001·5 cites·1 claims
- 3039USD762612STeleconference terminalYANO RYOTA·Filed 2014·Granted Aug 2, 2016·3 cites·1 claims
- 3138US2007140708A1Image forming apparatus and associated methodology of indicating an available level of imaging resourcesYONEKAWA MASAHIRO·Filed 2006·Application pending·0 cites
- 3237USD1049219SPrinterKODA SHUNSUKE·Filed 2023·Granted Oct 29, 2024·0 cites·1 claims
- 3337USD465224SFacsimile transmitter-receiverRICOH KK·Filed 2001·Granted Nov 5, 2002·3 cites·1 claims
- 3432USD523073SInk-jet printerRICOH KK·Filed 2005·Granted Jun 13, 2006·1 cites·1 claims
- 3531USD426260SSheet feeder for electronic copying machineRICOH CO LTD·Filed 1999·Granted Jun 6, 2000·1 cites·1 claims
- 3630USD539342SPrinter ink cartridgeRICOH KK·Filed 2006·Granted Mar 27, 2007·0 cites·1 claims
- 3729USD429275SStacker for electronic copying machineRICOH CO LTD·Filed 1999·Granted Aug 8, 2000·0 cites·1 claims
- 3822USD819606SSpeaker with multiple diaphragmsKABUMOTO MASAAKI·Filed 2016·Granted Jun 5, 2018·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →