Inventor · disambiguated record
Hiroshi Saitoh
Also filed as: KITAME FUMIO · SAITOH HIROSHI
97 granted patents·19 pending applications·2,323 citations·filing 1977–2023
99Inventor score
Top patents by PatentIndex Score
116 records- 0196US6112046AImage forming apparatus having recycling of residual tonerRICOH KK·Filed 1998·Granted Aug 29, 2000·141 cites·67 claims
- 0296US5617191AToner conveyor roller and image forming apparatus having the sameRICOH KK·Filed 1995·Granted Apr 1, 1997·84 cites·11 claims
- 0395US7595548B2Physical quantity sensor and manufacturing method thereforYAMAHA CORP·Filed 2005·Granted Sep 29, 2009·39 cites·1 claims
- 0495US6033818ADeveloping device for an image forming apparatusRICOH KK·Filed 1998·Granted Mar 7, 2000·53 cites·9 claims
- 0595US5845183ADeveloping device for an image forming apparatusRICOH KK·Filed 1997·Granted Dec 1, 1998·52 cites·9 claims
- 0695US5708942ADeveloping device for an image forming apparatusRICOH KK·Filed 1996·Granted Jan 13, 1998·53 cites·4 claims
- 0795US5625441ADeveloping device for an image forming apparatusRICOH KK·Filed 1996·Granted Apr 29, 1997·54 cites·9 claims
- 0894US5826144ADeveloping 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
- 0994US5489747ADeveloping device for an image forming apparatusRICOH KK·Filed 1995·Granted Feb 6, 1996·73 cites·3 claims
- 1093US5697026ADeveloping 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
- 1193US5625440ADeveloping 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
- 1292US7560811B2Semiconductor deviceYAMAHA CORP·Filed 2006·Granted Jul 14, 2009·24 cites·35 claims
- 1392US6249661B1Device for supporting an image carrier included in an image forming apparatusRICOH KK·Filed 1996·Granted Jun 19, 2001·60 cites·40 claims
- 1492US5768665AImage forming apparatus with bias control to prevent undesirable toner depositionRICOH KK·Filed 1996·Granted Jun 16, 1998·58 cites·14 claims
- 1592US5666625ADevice for electrostatically developing a latent image on an image carrierRICOH KK·Filed 1995·Granted Sep 9, 1997·62 cites·4 claims
- 1692US5126799AImage recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazineRICOH KK·Filed 1990·Granted Jun 30, 1992·51 cites·13 claims
- 1791US5879752AMethod of coating a toner conveyor rollerRICOH KK·Filed 1996·Granted Mar 9, 1999·62 cites·18 claims
- 1891US5689782ADeveloping apparatus for electronic photographic recording equipment, having two developer transfer rollersRICOH KK·Filed 1995·Granted Nov 18, 1997·64 cites·10 claims
- 1991US5625438AToner, and devices for electrostatically depositing a uniform application thereofRICOH KK·Filed 1995·Granted Apr 29, 1997·40 cites·8 claims
- 2091US5486909ADeveloping device for an image forming apparatusRICOH KK·Filed 1995·Granted Jan 23, 1996·56 cites·2 claims
- 2190US5552870ADeveloping device for an image forming apparatusRICOH KK·Filed 1994·Granted Sep 3, 1996·39 cites·17 claims
- 2289US4741286ASingle torch-type plasma spray coating method and apparatus thereforONODA CEMENT CO LTD·Filed 1986·Granted May 3, 1988·79 cites·19 claims
- 2388US5734952ADeveloping device for an image forming apparatus and toner cartridge for replenishing a fresh toner to the developing deviceRICOH KK·Filed 1996·Granted Mar 31, 1998·37 cites·40 claims
- 2488US5315357ACleaning unit provided in xerographic image forming apparatus for removing residual toner from an image carrierRICOH KK·Filed 1992·Granted May 24, 1994·39 cites·11 claims
- 2588US4819169ASystem and method for calculating movement direction and position of an unmanned vehicleNISSAN MOTOR·Filed 1987·Granted Apr 4, 1989·68 cites·29 claims
- 2685US6700595B2Image forming apparatus with accurate image formationRICOH KK·Filed 2002·Granted Mar 2, 2004·24 cites·12 claims
- 2785US5995789AToner cartridge including toner outlet openings and toner collection openings arranged substantially in a single arrayRICOH KK·Filed 1998·Granted Nov 30, 1999·30 cites·63 claims
- 2883US5268720AElectrophotographic recording apparatus having magazine unit for storing developerRICOH KK·Filed 1992·Granted Dec 7, 1993·32 cites·7 claims
- 2981US6314256B1Image forming apparatus with fixing unit falling off preventing deviceRICOH KK·Filed 2000·Granted Nov 6, 2001·19 cites·29 claims
- 3080US6813467B2Image forming apparatusRICOH KK·Filed 2003·Granted Nov 2, 2004·15 cites·61 claims
- 3180US5243169AMultiple torch type plasma generation device and method of generating plasma using the sameONODA CEMENT CO LTD·Filed 1990·Granted Sep 7, 1993·57 cites·21 claims
- 3278US7170149B2Semiconductor device and package, and method of manufacture thereforYAMAHA CORP·Filed 2002·Granted Jan 30, 2007·22 cites·13 claims
- 3378US4984087AMicrophone apparatus for a video cameraMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jan 8, 1991·36 cites·15 claims
- 3477US7830011B2Semiconductor element and wafer level chip size package thereforYAMAHA CORP·Filed 2005·Granted Nov 9, 2010·10 cites·9 claims
- 3577US7554182B2Semiconductor device and package, and method of manufacturer thereforYAMAHA CORP·Filed 2006·Granted Jun 30, 2009·6 cites·9 claims
- 3677US6895209B2Cleaning device and image forming apparatus using the sameRICOH KK·Filed 2003·Granted May 17, 2005·15 cites·20 claims
- 3775US8218997B2Cleaning member, charging device, process cartridge, and image forming apparatusFUJISHIRO TAKATSUGU·Filed 2009·Granted Jul 10, 2012·5 cites·11 claims
- 3875US4743940AThermal fixing roller for use in a copying machine and method for manufacturing the sameONODA CEMENT CO LTD·Filed 1987·Granted May 10, 1988·29 cites·26 claims
- 3975US4552772AProcess for preparing boiled noodlesMAMA MAKARONI KK·Filed 1983·Granted Nov 12, 1985·31 cites·17 claims
- 4075US4157391ACholesterol derivative-based medicaments acting on bio-protective mechanismsGREEN CROSS CORP·Filed 1977·Granted Jun 5, 1979·10 cites·7 claims
- 4174US8577274B2Image forming apparatus including a lubricant applying device configured to apply lubricant to an image carrierTAWADA TAKAAKI·Filed 2011·Granted Nov 5, 2013·2 cites·18 claims
- 4274US7541665B2Lead frame for a magnetic sensorYAMAHA CORP·Filed 2006·Granted Jun 2, 2009·4 cites·3 claims
- 4373US4377603AMethod and apparatus for electrostatic powder coatingONODA CEMENT CO LTD·Filed 1979·Granted Mar 22, 1983·36 cites·11 claims
- 4472US7539698B2File name generating unitPANASONIC CORP·Filed 2005·Granted May 26, 2009·14 cites·10 claims
- 4572US6774245B23-Hydroxymethylbenzo[b]thiophene derivatives and process for their preparationTEIJIN LTD·Filed 2002·Granted Aug 10, 2004·5 cites·12 claims
- 4672US5349425ACombined cleaner and toner magazine for an image forming apparatusRICOH KK·Filed 1993·Granted Sep 20, 1994·19 cites·7 claims
- 4771US7829982B2Lead frame, sensor including lead frame and method of forming sensor including lead frameYAMAHA CORP·Filed 2006·Granted Nov 9, 2010·5 cites·11 claims
- 4871US7187063B2Manufacturing method for magnetic sensor and lead frame thereforYAMAHA CORP·Filed 2003·Granted Mar 6, 2007·12 cites·13 claims
- 4971US6884896B2Benzo[b]thiophene derivatives and process for preparing the sameTEIJIN LTD·Filed 2002·Granted Apr 26, 2005·6 cites·20 claims
- 5071US4485162AMagnetic carrier powder having a wide chargeable range of electric resistance useful for magnetic brush developmentTDK ELECTRONICS CO LTD·Filed 1983·Granted Nov 27, 1984·19 cites·19 claims
Showing the top 50 of 116 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →