Inventor
SAKAI EIICHI
JP31 patents
⚠️ This page may combine multiple inventors who share the name “SAKAI EIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
12 patentsUS5800956ASep 1, 1998
Electrophotographic photoreceptor with specific interlayer
KONISHIROKU PHOTO IND18 citations82
US5075189ADec 24, 1991
Electrophotographic photoreceptor comprising an undercoat layer containing a polyamide copolymer
KONISHIROKU PHOTO IND20 citations78
US4931372AJun 5, 1990
Polycarbonate-containing photoreceptors containing a hindered phenol compound
KONISHIROKU PHOTO IND16 citations74
US4677044AJun 30, 1987
Multi-layered electrophotographic photosensitive member having amorphous silicon
KONISHIROKU PHOTO IND8 citations74
US4668599AMay 26, 1987
Photoreceptor comprising amorphous layer doped with atoms and/or ions of a metal
KONISHIROKU PHOTO IND7 citations74
US5574543ANov 12, 1996
Image forming apparatus
KONISHIROKU PHOTO IND14 citations73
US4868078ASep 19, 1989
Imaging member having an amorphous silicon surface layer
KONISHIROKU PHOTO IND14 citations73
US5349426ASep 20, 1994
Toner guide roller for image-forming process and apparatus applied therewith
KONISHIROKU PHOTO IND8 citations72
US4859554AAug 22, 1989
Multilayer photoreceptor
KONISHIROKU PHOTO IND6 citations63
US5846679ADec 8, 1998
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND3 citations61
US5716745AFeb 10, 1998
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND5 citations61
US5863687AJan 26, 1999
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND0 citations40
SHARP KK
3 patentsUS5102392AApr 7, 1992
Air detector for use in infusion pump
SHARP KK198 citations98
US4563179AJan 7, 1986
Blocking condition detection device in a fluid injection system
SHARP KK66 citations96
US4369780AJan 25, 1983
Blocking condition detection device in a medical fluid injection system
SHARP KK147 citations96
KONICA MINOLTA BUSINESS TECH
3 patentsUS7839562B2Nov 23, 2010
White particles for image display device
KONICA MINOLTA BUSINESS TECH2 citations62
US7692846B2Apr 6, 2010
Image display device
KONICA MINOLTA BUSINESS TECH4 citations62
US8029955B2Oct 4, 2011
Electrophotographic photoreceptor and image forming method
KONICA MINOLTA BUSINESS TECH0 citations47