Inventor
HIROSE YOUJI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “HIROSE YOUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI KOKI KK
9 patentsUS5572290ANov 5, 1996
Electrophotographic printing system including a plurality of electrophotographic printers having adjustable printing speeds
HITACHI KOKI KK23 citations90
US5402409AMar 28, 1995
Optical recording apparatus and method for adding information in a sub-scanning direction and for deflecting a light beam to an optimum sub-scanning recording position
HITACHI KOKI KK15 citations73
US5745817AApr 28, 1998
Electrophotographic apparatus and paper detector thereof and paper detecting method thereof
HITACHI KOKI KK7 citations72
US5578819ANov 26, 1996
Optical recorder having a signal separation circuit and a FIFO memory circuit
HITACHI KOKI KK8 citations72
US5818496AOct 6, 1998
Exposure device of electrophotographic apparatus with optical path position deciding device
HITACHI KOKI KK11 citations71
US5545840AAug 13, 1996
Developing device in electrophotographic apparatus including developing poll configuration while stably carries developer
HITACHI KOKI KK15 citations71
US5416571AMay 16, 1995
Developing device for electrophotograph-type printer
HITACHI KOKI KK11 citations71
US5579091ANov 26, 1996
Developing unit for electro-photographic apparatus
HITACHI KOKI KK8 citations69
US5516982AMay 14, 1996
Developing apparatus having developer regulating member
HITACHI KOKI KK5 citations60
HITACHI LTD
3 patentsUS5430528AJul 4, 1995
Magnetic brush with bristle height equal to developing gap
HITACHI LTD10 citations73
US5315353AMay 24, 1994
Image recording method including determining a gap between a photosensitive medium and a developing roller and apparatus therefor
HITACHI LTD6 citations61
US5307147AApr 26, 1994
Electrophotographic recording apparatus having a plurality of developing devices which can be changed over
HITACHI LTD2 citations61