Inventor
KITAJIMA RYOHICHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KITAJIMA RYOHICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
9 patentsUS6641964B2Nov 4, 2003
Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK80 citations98
US7031650B2Apr 18, 2006
Image forming apparatus and copier
RICOH KK14 citations92
US6853834B2Feb 8, 2005
Image forming apparatus and copier
RICOH KK22 citations92
US6853823B2Feb 8, 2005
Electrophotographic photoreceptor and image forming apparatus using the photoreceptor
RICOH KK21 citations92
US6844124B2Jan 18, 2005
Electrophotographic photoreceptor, method for manufacturing the photoreceptor, and image forming method and apparatus using the photoreceptor
RICOH KK31 citations92
US6824939B2Nov 30, 2004
Electrophotographic image forming method and apparatus
RICOH KK38 citations92
US6319878B1Nov 20, 2001
Thermosensitive recording medium
RICOH KK31 citations91
US7177583B2Feb 13, 2007
Image forming apparatus and copier
RICOH KK10 citations84
US7354686B2Apr 8, 2008
Electrophotographic photoconductor and process for manufacturing the same, and image forming apparatus and process cartridge containing the same
RICOH KK6 citations63