Inventor · disambiguated record
Hiroshi Ikeguchi
Also filed as: IKEGUCHI HIROSHI
33 granted patents·237 citations·filing 2002–2023
97Inventor score
Technology areasG03G
Top patents by PatentIndex Score
33 records- 0197US9581937B2Powder container and image forming apparatusRICOH CO LTD·Filed 2016·Granted Feb 28, 2017·11 cites·15 claims
- 0295US11209748B2Powder container including a nozzle receiving opening and scoopRICOH CO LTD·Filed 2021·Granted Dec 28, 2021·2 cites·30 claims
- 0395US9482988B2Powder container and image forming apparatusHOSOKAWA HIROSHI·Filed 2014·Granted Nov 1, 2016·8 cites·13 claims
- 0495US7209685B2Developing device, image forming apparatus and process cartridge including replenishment openingsRICOH KK·Filed 2005·Granted Apr 24, 2007·19 cites·17 claims
- 0592US6701114B2Image forming apparatus and image forming process unit with developer carried on a developer carrierRICOH KK·Filed 2002·Granted Mar 2, 2004·43 cites·69 claims
- 0691US7480475B2Developing device, and image forming apparatus and process cartridge using the developing deviceRICOH KK·Filed 2006·Granted Jan 20, 2009·13 cites·9 claims
- 0790US7751746B2Device for driving rotary body with mechanism for dampening fluctuation in rotation velocityRICOH KK·Filed 2008·Granted Jul 6, 2010·11 cites·19 claims
- 0890US6792234B2Developing device having a developer carrier including main and auxiliary magnetic poles and image forming apparatus using the sameRICOH KK·Filed 2002·Granted Sep 14, 2004·35 cites·21 claims
- 0989US7035575B2Developing device, image forming apparatus, and process cartridgeRICOH KK·Filed 2004·Granted Apr 25, 2006·35 cites·27 claims
- 1088US9069288B2Toner housing container and image forming apparatusKOJIMA SATOSHI·Filed 2014·Granted Jun 30, 2015·5 cites·16 claims
- 1188US9057984B2Powder container, toner cartridge, drawer tray, and image forming apparatusYOSHIDA KEIICHI·Filed 2012·Granted Jun 16, 2015·5 cites·17 claims
- 1288US8781375B2Powder container, powder conveying apparatus, and image forming apparatusYOSHIDA KEIICHI·Filed 2011·Granted Jul 15, 2014·5 cites·17 claims
- 1387US12313987B2Powder container with a nozzle receiverRICOH CO LTD·Filed 2023·Granted May 27, 2025·0 cites·20 claims
- 1487US7181155B2Developer supplying device, developing roller, developing device, image forming apparatus and process cartridgeRICOH KK·Filed 2005·Granted Feb 20, 2007·9 cites·25 claims
- 1586US9152084B2Toner housing container and image forming apparatusSHIBA MASANA·Filed 2014·Granted Oct 6, 2015·5 cites·16 claims
- 1682US9348259B2Toner housing container and image forming apparatusRICOH CO LTD·Filed 2014·Granted May 24, 2016·3 cites·12 claims
- 1781US11874613B2Powder container with a nozzle receiverRICOH CO LTD·Filed 2022·Granted Jan 16, 2024·0 cites·14 claims
- 1880US10915039B2Powder container and image forming apparatusRICOH CO LTD·Filed 2019·Granted Feb 9, 2021·0 cites·21 claims
- 1979US11662672B2Nozzle receiver for use with a toner containerRICOH CO LTD·Filed 2021·Granted May 30, 2023·0 cites·20 claims
- 2078US11231661B2Powder container including a container body, nozzle receiver, and sealRICOH CO LTD·Filed 2021·Granted Jan 25, 2022·0 cites·30 claims
- 2177US11397391B2Powder container including a container body, nozzle receiver, and sealRICOH CO LTD·Filed 2020·Granted Jul 26, 2022·0 cites·23 claims
- 2277US10564573B2Powder container and image forming apparatusRICOH CO LTD·Filed 2018·Granted Feb 18, 2020·0 cites·7 claims
- 2377US9261817B2Replenishing developer housing container and image forming apparatusRICOH CO LTD·Filed 2014·Granted Feb 16, 2016·2 cites·20 claims
- 2476US11347163B2Powder container including a nozzle receiving opening and scoopRICOH CO LTD·Filed 2020·Granted May 31, 2022·0 cites·20 claims
- 2576US9141031B2Toner housing container and image forming apparatusYAMABE JUNJI·Filed 2014·Granted Sep 22, 2015·2 cites·16 claims
- 2674US7099611B2Method and apparatus for image forming capable of reducing mechanical stresses to developers during transportation for developmentRICOH KK·Filed 2004·Granted Aug 29, 2006·13 cites·21 claims
- 2771US10156810B2Powder container and image forming apparatusRICOH CO LTD·Filed 2016·Granted Dec 18, 2018·0 cites·14 claims
- 2866US6668147B2Developing device, image forming device and process unitRICOH KK·Filed 2002·Granted Dec 23, 2003·9 cites·12 claims
- 2962US7359661B2Developing method, developing device, and image forming apparatus including the developing device that minimizes deterioration of developerRICOH KK·Filed 2005·Granted Apr 15, 2008·2 cites·18 claims
- 3049US8849163B2Powder conveying apparatus, image forming apparatus, and powder containerIKEGUCHI HIROSHI·Filed 2012·Granted Sep 30, 2014·0 cites·5 claims
- 3145US8611794B2Developer replenishing device, image forming apparatus, and developer replenishing methodIKEGUCHI HIROSHI·Filed 2011·Granted Dec 17, 2013·0 cites·17 claims
- 3243US8059996B2Developing apparatus and image forming apparatusIKEGUCHI HIROSHI·Filed 2009·Granted Nov 15, 2011·0 cites·20 claims
- 3342US8953986B2Powder container, powder conveying apparatus, and image forming apparatusYOSHIDA KEIICHI·Filed 2011·Granted Feb 10, 2015·0 cites·19 claims
Join the waitlist — get patent alerts
Get an alert when Hiroshi Ikeguchi files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →