Inventor · disambiguated record
Youji Hirose
Also filed as: HIROSE YOUJI
12 granted patents·121 citations·filing 1990–1996
91Inventor score
Top patents by PatentIndex Score
12 records- 0170US5572290AElectrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speedsHITACHI KOKI KK·Filed 1995·Granted Nov 5, 1996·23 cites·3 claims
- 0258US5545840ADeveloping device in electrophotographic apparatus including developing poll configuration while stably carries developerHITACHI KOKI KK·Filed 1995·Granted Aug 13, 1996·15 cites·2 claims
- 0355US5416571ADeveloping device for electrophotograph-type printerHITACHI KOKI KK·Filed 1994·Granted May 16, 1995·11 cites·8 claims
- 0454US5430528AMagnetic brush with bristle height equal to developing gapHITACHI LTD·Filed 1990·Granted Jul 4, 1995·10 cites·79 claims
- 0549US5402409AOptical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording positionHITACHI KOKI KK·Filed 1993·Granted Mar 28, 1995·15 cites·7 claims
- 0644US5745817AElectrophotographic apparatus and paper detector thereof and paper detecting method thereofHITACHI KOKI KK·Filed 1996·Granted Apr 28, 1998·7 cites·8 claims
- 0743US5818496AExposure device of electrophotographic apparatus with optical path position deciding deviceHITACHI KOKI KK·Filed 1995·Granted Oct 6, 1998·11 cites·4 claims
- 0842US5579091ADeveloping unit for electro-photographic apparatusHITACHI KOKI KK·Filed 1995·Granted Nov 26, 1996·8 cites·9 claims
- 0941US5315353AImage recording method including determining a gap between a photosensitive medium and a developing roller and apparatus thereforHITACHI LTD·Filed 1992·Granted May 24, 1994·6 cites·18 claims
- 1039US5516982ADeveloping apparatus having developer regulating memberHITACHI KOKI KK·Filed 1994·Granted May 14, 1996·5 cites·4 claims
- 1138US5578819AOptical recorder having a signal separation circuit and a FIFO memory circuitHITACHI KOKI KK·Filed 1995·Granted Nov 26, 1996·8 cites·4 claims
- 1231US5307147AElectrophotographic recording apparatus having a plurality of developing devices which can be changed overHITACHI LTD·Filed 1992·Granted Apr 26, 1994·2 cites·27 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →