Inventor · disambiguated record
Hiroshi Hosokawa
Also filed as: HOSOKAWA HIROSHI
164 granted patents·19 pending applications·3,493 citations·filing 1987–2025
99Inventor score
Top patents by PatentIndex Score
183 records- 0199US8195070B2Developer container, developer supplying device, and image forming apparatusHOSOKAWA HIROSHI·Filed 2011·Granted Jun 5, 2012·47 cites·12 claims
- 0299US8005406B2Developer container, developer supplying device, and image forming apparatusRICOH CO LTD·Filed 2010·Granted Aug 23, 2011·60 cites·18 claims
- 0399US7835673B2Developer container, developer supplying device, and image forming apparatusRICOH CO LTD·Filed 2008·Granted Nov 16, 2010·58 cites·28 claims
- 0499US7697870B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2009·Granted Apr 13, 2010·54 cites·26 claims
- 0599US7519317B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2007·Granted Apr 14, 2009·72 cites·25 claims
- 0699US7480476B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2007·Granted Jan 20, 2009·115 cites·20 claims
- 0799US7321744B2Developer container, developer supplying device, and image forming apparatusRICOH KK·Filed 2004·Granted Jan 22, 2008·111 cites·49 claims
- 0897US9581937B2Powder container and image forming apparatusRICOH CO LTD·Filed 2016·Granted Feb 28, 2017·11 cites·15 claims
- 0997US5482265ASheet feeder for an image forming apparatusRICOH KK·Filed 1994·Granted Jan 9, 1996·91 cites·11 claims
- 1096US5617191AToner conveyor roller and image forming apparatus having the sameRICOH KK·Filed 1995·Granted Apr 1, 1997·84 cites·11 claims
- 1196US5580473AMethods of removing semiconductor film with energy beamsSANYO ELECTRIC CO·Filed 1994·Granted Dec 3, 1996·97 cites·10 claims
- 1296US4981525APhotovoltaic deviceSANYO ELECTRIC CO·Filed 1989·Granted Jan 1, 1991·176 cites·6 claims
- 1395US11209748B2Powder container including a nozzle receiving opening and scoopRICOH CO LTD·Filed 2021·Granted Dec 28, 2021·2 cites·30 claims
- 1495US9482988B2Powder container and image forming apparatusHOSOKAWA HIROSHI·Filed 2014·Granted Nov 1, 2016·8 cites·13 claims
- 1595US7076192B2Powder conveying device and image forming apparatus using the sameRICOH KK·Filed 2003·Granted Jul 11, 2006·55 cites·16 claims
- 1695US6560431B2Toner replenishing device and image forming apparatus using the sameRICOH KK·Filed 2002·Granted May 6, 2003·56 cites·6 claims
- 1795US6033818ADeveloping device for an image forming apparatusRICOH KK·Filed 1998·Granted Mar 7, 2000·53 cites·9 claims
- 1895US5845183ADeveloping device for an image forming apparatusRICOH KK·Filed 1997·Granted Dec 1, 1998·52 cites·9 claims
- 1995US5708942ADeveloping device for an image forming apparatusRICOH KK·Filed 1996·Granted Jan 13, 1998·53 cites·4 claims
- 2095US5625441ADeveloping device for an image forming apparatusRICOH KK·Filed 1996·Granted Apr 29, 1997·54 cites·9 claims
- 2194US8965250B2Cap, powder container, developer supply device, and image forming apparatusKOMATSU MAKOTO·Filed 2011·Granted Feb 24, 2015·8 cites·27 claims
- 2294US7460810B2Image forming apparatus having a cleaning roller for a charging roller of the apparatusRICOH KK·Filed 2005·Granted Dec 2, 2008·17 cites·38 claims
- 2394US7398038B2Image forming apparatus using a toner container and a process cartridgeRICOH KK·Filed 2003·Granted Jul 8, 2008·47 cites·23 claims
- 2494US7024133B2Image forming apparatus using a user installable process cartridge, a method of arranging the process cartridge, and the process cartridge itselfRICOH KK·Filed 2003·Granted Apr 4, 2006·50 cites·51 claims
- 2594US5826144ADeveloping device for an electrophotographic recording apparatus including bias control of a toner supplying rollerRICOH KK·Filed 1996·Granted Oct 20, 1998·68 cites·7 claims
- 2694US5489747ADeveloping device for an image forming apparatusRICOH KK·Filed 1995·Granted Feb 6, 1996·73 cites·3 claims
- 2793US9740139B2Powder container including a container portion to be engaged with a powder replenishing deviceHOSOKAWA HIROSHI·Filed 2014·Granted Aug 22, 2017·5 cites·34 claims
- 2893US8886095B2Powder container, powder supply device and image-forming apparatusKOMATSU MAKOTO·Filed 2012·Granted Nov 11, 2014·8 cites·25 claims
- 2993US5697026ADeveloping device having the lengths of two toner transporting rollers and an image bearing member in specific relationshipsRICOH KK·Filed 1995·Granted Dec 9, 1997·62 cites·19 claims
- 3093US5625440ADeveloping device having seals between a toner transport roller and the toner hopper which prevent toner leakage and scatteringRICOH KK·Filed 1995·Granted Apr 29, 1997·64 cites·9 claims
- 3193US4875063AElectrostatic recording apparatusRICOH KK·Filed 1987·Granted Oct 17, 1989·58 cites·11 claims
- 3292US9523940B2Powder detector, developing device, process cartridge, image forming apparatus, and powder detecting methodHOSOKAWA HIROSHI·Filed 2015·Granted Dec 20, 2016·5 cites·16 claims
- 3392US8295742B2Powder container, powder supplying device, and image forming apparatusYAMAGUCHI DAICHI·Filed 2009·Granted Oct 23, 2012·11 cites·14 claims
- 3492US7542712B2Lubricant applicator, and image forming apparatus and process cartridge using the lubricant applicator, and method for assembling the process cartridgeRICOH KK·Filed 2006·Granted Jun 2, 2009·15 cites·4 claims
- 3592US7477862B2Charged device, cleaning device, process cartridge, toner, and image-forming device that uses theseRICOH KK·Filed 2005·Granted Jan 13, 2009·13 cites·15 claims
- 3692US7343132B2Image forming apparatus and process cartridge including sealable lubricating deviceRICOH KK·Filed 2005·Granted Mar 11, 2008·14 cites·20 claims
- 3792US6249661B1Device for supporting an image carrier included in an image forming apparatusRICOH KK·Filed 1996·Granted Jun 19, 2001·60 cites·40 claims
- 3892US6212343B1Developing device, process cartridge and image forming apparatus that prevent toner leakageRICOH KK·Filed 1999·Granted Apr 3, 2001·93 cites·32 claims
- 3992US6163666AProcess cartridge and an image forming apparatus using the same process cartridge and a method of manufacturing the same process cartridgeRICOH KK·Filed 1999·Granted Dec 19, 2000·81 cites·12 claims
- 4092US5768665AImage forming apparatus with bias control to prevent undesirable toner depositionRICOH KK·Filed 1996·Granted Jun 16, 1998·58 cites·14 claims
- 4192US5666625ADevice for electrostatically developing a latent image on an image carrierRICOH KK·Filed 1995·Granted Sep 9, 1997·62 cites·4 claims
- 4291US11803134B2Powder containerRICOH CO LTD·Filed 2022·Granted Oct 31, 2023·1 cites·32 claims
- 4391US9520487B2Reverse conducting insulated gate bipolar transistorTOYOTA MOTOR CO LTD·Filed 2015·Granted Dec 13, 2016·9 cites·2 claims
- 4491US9225001B2Prismatic secondary batterySANYO ELECTRIC CO·Filed 2013·Granted Dec 29, 2015·7 cites·15 claims
- 4591US7650101B2Image forming apparatus capable of effectively developing imagesRICOH KK·Filed 2005·Granted Jan 19, 2010·11 cites·17 claims
- 4691US7305203B2Image forming apparatus including a process cartridge formed with a holeRICOH KK·Filed 2005·Granted Dec 4, 2007·13 cites·7 claims
- 4791US7136610B2Image forming apparatus using installable process cartridge, method of positioning process cartridge, and process cartridge itselfRICOH KK·Filed 2004·Granted Nov 14, 2006·38 cites·18 claims
- 4891US6960857B2Stator for an alternator and method for the manufacture thereofMITSUBISHI ELECTRIC CORP·Filed 2002·Granted Nov 1, 2005·48 cites·8 claims
- 4991US5879752AMethod of coating a toner conveyor rollerRICOH KK·Filed 1996·Granted Mar 9, 1999·62 cites·18 claims
- 5091US5689782ADeveloping apparatus for electronic photographic recording equipment, having two developer transfer rollersRICOH KK·Filed 1995·Granted Nov 18, 1997·64 cites·10 claims
Showing the top 50 of 183 patent records by PatentIndex Score.
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