Inventor
OSHIBA TAKEO
JP27 patents
⚠️ This page may combine multiple inventors who share the name “OSHIBA TAKEO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
18 patentsUS6489069B1Dec 3, 2002
Electrophotographic image carrier and image forming apparatus, image forming method and processing cartridge using it
KONISHIROKU PHOTO IND22 citations92
US6442367B1Aug 27, 2002
Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge
KONISHIROKU PHOTO IND20 citations92
US6265122B1Jul 24, 2001
Electrophotographic photoreceptor and an image forming apparatus and a process cartridge using the same
KONISHIROKU PHOTO IND19 citations92
US6203962B1Mar 20, 2001
Electrophotographic image forming method, electrophotographic image forming apparatus, and processing cartridge and electrophotographic photoreceptor used therein
KONISHIROKU PHOTO IND36 citations92
US5679488AOct 21, 1997
Electrophotography photoreceptor
KONISHIROKU PHOTO IND20 citations89
US6461780B2Oct 8, 2002
Electrophotographic photoreceptor, image forming method, image forming apparatus, and processing cartridge
KONISHIROKU PHOTO IND12 citations74
US5320921AJun 14, 1994
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND7 citations74
US6861195B2Mar 1, 2005
Image forming method
KONISHIROKU PHOTO IND6 citations73
US6692882B2Feb 17, 2004
Image forming method
KONISHIROKU PHOTO IND6 citations73
US6399262B1Jun 4, 2002
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND7 citations73
US5721085AFeb 24, 1998
Electrophotographic image forming method
KONISHIROKU PHOTO IND13 citations73
US5589314ADec 31, 1996
Image forming method using an imidazole-perylene electrophotographic photoreceptor
KONISHIROKU PHOTO IND8 citations73
US5434027AJul 18, 1995
Photorecptor for electrophotography and image forming method
KONISHIROKU PHOTO IND14 citations73
US6919155B2Jul 19, 2005
Organic photoreceptor and image forming method
KONISHIROKU PHOTO IND3 citations63
US5863689AJan 26, 1999
Electrophotographic photoreceptor
KONISHIROKU PHOTO IND6 citations62
US5591558AJan 7, 1997
Image forming method
KONISHIROKU PHOTO IND2 citations62
US5403691AApr 4, 1995
Method for preparing an electrophotographic photoreceptor
KONISHIROKU PHOTO IND5 citations62
US5270140ADec 14, 1993
Bisstyryl compound and the electrophotographic photoreceptors relating thereto
KONISHIROKU PHOTO IND0 citations36
KONICA MINOLTA BUSINESS TECH
6 patentsUS7505720B2Mar 17, 2009
Developing roller and developing method thereof
KONICA MINOLTA BUSINESS TECH15 citations83
US7981586B2Jul 19, 2011
Image forming method using the same
KONICA MINOLTA BUSINESS TECH3 citations62
US7672626B2Mar 2, 2010
Developing roller and image forming method employing the same
KONICA MINOLTA BUSINESS TECH3 citations61
US7885585B2Feb 8, 2011
Developing roller and image forming method employing the same
KONICA MINOLTA BUSINESS TECH0 citations51
US7831183B2Nov 9, 2010
Electrophotograph developing roller and developing apparatus employing the same
KONICA MINOLTA BUSINESS TECH1 citations49
US8029955B2Oct 4, 2011
Electrophotographic photoreceptor and image forming method
KONICA MINOLTA BUSINESS TECH0 citations47