Inventor · disambiguated record
Kazuhiro Yuasa
Also filed as: YUASA KAZUHIRO
55 granted patents·8 pending applications·1,861 citations·filing 1981–2025
99Inventor score
Top patents by PatentIndex Score
63 records- 0198US9190264B2Method of manufacturing semiconductor device, method of processing substrate and non-transitory computer readable recording mediumYUASA KAZUHIRO·Filed 2012·Granted Nov 17, 2015·479 cites·19 claims
- 0296US5617191AToner conveyor roller and image forming apparatus having the sameRICOH KK·Filed 1995·Granted Apr 1, 1997·84 cites·11 claims
- 0395US6033818ADeveloping device for an image forming apparatusRICOH KK·Filed 1998·Granted Mar 7, 2000·53 cites·9 claims
- 0495US5845183ADeveloping device for an image forming apparatusRICOH KK·Filed 1997·Granted Dec 1, 1998·52 cites·9 claims
- 0595US5708942ADeveloping device for an image forming apparatusRICOH KK·Filed 1996·Granted Jan 13, 1998·53 cites·4 claims
- 0695US5625441ADeveloping device for an image forming apparatusRICOH KK·Filed 1996·Granted Apr 29, 1997·54 cites·9 claims
- 0794US5826144ADeveloping 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
- 0894US5489747ADeveloping device for an image forming apparatusRICOH KK·Filed 1995·Granted Feb 6, 1996·73 cites·3 claims
- 0993US5697026ADeveloping 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
- 1093US5625440ADeveloping 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
- 1192US5768665AImage forming apparatus with bias control to prevent undesirable toner depositionRICOH KK·Filed 1996·Granted Jun 16, 1998·58 cites·14 claims
- 1292US5666625ADevice for electrostatically developing a latent image on an image carrierRICOH KK·Filed 1995·Granted Sep 9, 1997·62 cites·4 claims
- 1392US5126799AImage 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
- 1491US5879752AMethod of coating a toner conveyor rollerRICOH KK·Filed 1996·Granted Mar 9, 1999·62 cites·18 claims
- 1591US5689782ADeveloping apparatus for electronic photographic recording equipment, having two developer transfer rollersRICOH KK·Filed 1995·Granted Nov 18, 1997·64 cites·10 claims
- 1691US5625438AToner, and devices for electrostatically depositing a uniform application thereofRICOH KK·Filed 1995·Granted Apr 29, 1997·40 cites·8 claims
- 1791US5486909ADeveloping device for an image forming apparatusRICOH KK·Filed 1995·Granted Jan 23, 1996·56 cites·2 claims
- 1890US7871938B2Producing method of semiconductor device and substrate processing apparatusHITACHI INT ELECTRIC INC·Filed 2009·Granted Jan 18, 2011·10 cites·18 claims
- 1990US5552870ADeveloping device for an image forming apparatusRICOH KK·Filed 1994·Granted Sep 3, 1996·39 cites·17 claims
- 2089US5897243AElectrophotographic recording apparatus configured to switch a bias voltage in a developing unitRICOH KK·Filed 1996·Granted Apr 27, 1999·49 cites·18 claims
- 2189US4586807ATransfer-type electrostatic recording methodRICOH KK·Filed 1984·Granted May 6, 1986·32 cites·8 claims
- 2288US5255061AImage forming apparatus with a first and second lidRICOH KK·Filed 1990·Granted Oct 19, 1993·39 cites·9 claims
- 2387US8822350B2Method of manufacturing semiconductor device, substrate processing method and substrate processing apparatusYUASA KAZUHIRO·Filed 2011·Granted Sep 2, 2014·8 cites·15 claims
- 2487US8084369B2Producing method of semiconductor device and substrate processing apparatusOZAKI TAKASHI·Filed 2009·Granted Dec 27, 2011·8 cites·18 claims
- 2585US7682987B2Device for processing substrate and method of manufacturing semiconductor deviceHITACHI INT ELECTRIC INC·Filed 2007·Granted Mar 23, 2010·8 cites·11 claims
- 2683US7534730B2Producing method of semiconductor device and substrate processing apparatusHITACHI KOKUSAI ELECTRIC IN·Filed 2004·Granted May 19, 2009·25 cites·27 claims
- 2780US10943806B2Substrate processing apparatus, method of manufacturing semiconductor device, and non- transitory computer-readable recording mediumKOKUSAI ELECTRIC CORP·Filed 2018·Granted Mar 9, 2021·2 cites·9 claims
- 2878US7713883B2Manufacturing method of a semiconductor device, and substrate processing apparatusHITACHI INT ELECTRIC INC·Filed 2006·Granted May 11, 2010·5 cites·15 claims
- 2976US4637708AOne-component copier toner with electric field transferRICOH KK·Filed 1985·Granted Jan 20, 1987·19 cites·7 claims
- 3074US5111251AApparatus for cleaning photoconductive beltRICOH KK·Filed 1990·Granted May 5, 1992·21 cites·3 claims
- 3173US8448599B2Device for processing a substrate, method of processing a substrate and method of manufacturing semiconductor deviceYUASA KAZUHIRO·Filed 2011·Granted May 28, 2013·2 cites·16 claims
- 3273US4537491ADevelopment apparatus for developing latent electrostatic imagesRICOH KK·Filed 1982·Granted Aug 27, 1985·17 cites·8 claims
- 3372US4456365ACharging deviceRICOH KK·Filed 1982·Granted Jun 26, 1984·16 cites·7 claims
- 3471US11018033B2Substrate processing apparatus, method of manufacturing semiconductor device, and recording mediumKOKUSAI ELECTRIC CORP·Filed 2019·Granted May 25, 2021·1 cites·12 claims
- 3570US9997354B2Method of manufacturing semiconductor device, substrate processing apparatus, and recording mediumHITACHI INT ELECTRIC INC·Filed 2017·Granted Jun 12, 2018·1 cites·14 claims
- 3670US9685317B2Method of manufacturing semiconductor device, method of processing substrate, substrate processing apparatus, and recording mediumHITACHI INT ELECTRIC INC·Filed 2013·Granted Jun 20, 2017·2 cites·13 claims
- 3769US5610693ADeveloping device for an image forming apparatusRICOH KK·Filed 1994·Granted Mar 11, 1997·16 cites·35 claims
- 3868US4757332AOptically imaged recording apparatusRICOH KK·Filed 1986·Granted Jul 12, 1988·15 cites·7 claims
- 3967US8901013B2Substrate processing apparatus, method of processing substrate and method of manufacturing semiconductor deviceYUASA KAZUHIRO·Filed 2011·Granted Dec 2, 2014·2 cites·15 claims
- 4065US8003411B2Device for processing a substrate, method of processing a substrate and method of manufacturing semiconductor deviceHITACHI INT ELECTRIC INC·Filed 2010·Granted Aug 23, 2011·1 cites·9 claims
- 4164US4539600AImage signal processing with a variable thresholdRICOH KK·Filed 1981·Granted Sep 3, 1985·15 cites·7 claims
- 4262US9518321B2Atomic layer deposition processing apparatus to reduce heat energy conductionHITACHI INT ELECTRIC INC·Filed 2014·Granted Dec 13, 2016·1 cites·4 claims
- 4362US4496987AConversion of an analog image signal into a binary image signalRICOH KK·Filed 1981·Granted Jan 29, 1985·14 cites·3 claims
- 4461US9055900B2Specimen measurement device and specimen measurement systemYUASA KAZUHIRO·Filed 2012·Granted Jun 16, 2015·1 cites·9 claims
- 4561US5386301AApparatus for producing a bilevel image suitable for a printing characteristic of a printing unitRICOH KK·Filed 1993·Granted Jan 31, 1995·20 cites·26 claims
- 4657US4641955AIon projection recording apparatusRICOH KK·Filed 1985·Granted Feb 10, 1987·10 cites·15 claims
- 4755US2010035440A1Substrate processing apparatus and method of manufacturing semiconductor deviceHITACHI INT ELECTRIC INC·Filed 2009·Application pending·0 cites
- 4854US2025309187A1Substrate processing method, method of manufacturing semiconductor device, processing apparatus and non-transitory computer-readable recording mediumKOKUSAI ELECTRIC CORP·Filed 2025·Application pending·0 cites
- 4953US4483611AMagnetic cleaning deviceRICOH KK·Filed 1983·Granted Nov 20, 1984·8 cites·24 claims
- 5053US2012064730A1Producing method of semiconductor device and substrate processing apparatusOZAKI TAKASHI·Filed 2011·Application pending·0 cites
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →