Inventor
ITAGOSHI TSUYOSHI
JP12 patents
⚠️ This page may combine multiple inventors who share the name “ITAGOSHI TSUYOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POWDERTECH CO LTD
9 patentsUS5976747ANov 2, 1999
Ferrite carrier for electrophotographic developer and electrophotographic developer containing the same
POWDERTECH CO LTD19 citations92
US7566519B2Jul 28, 2009
Carrier for electrophotographic developer, and electrophotographic developer using the same
POWDERTECH CO LTD14 citations83
US7553597B2Jun 30, 2009
Carrier core material, coated carrier, and two-component developing agent for electrophotography
POWDERTECH CO LTD8 citations83
US7183033B2Feb 27, 2007
Carrier core material, coated carrier, two-component developing agent for electrophotography, and image forming method
POWDERTECH CO LTD6 citations62
US6686113B2Feb 3, 2004
Carrier for electrophotographic developer and developer containing the same
POWDERTECH CO LTD5 citations62
US5965317AOct 12, 1999
Regeneration of carrier and electrophotographic developer containing regenerated carrier
POWDERTECH CO LTD5 citations62
US6627369B2Sep 30, 2003
Carrier for electrophotographic developer and developer containing the same
POWDERTECH CO LTD4 citations60
US7906265B2Mar 15, 2011
Ferrite carrier for electrophotographic developer, method for producing the same, and electrophotographic developer
POWDERTECH CO LTD0 citations50
US6905806B2Jun 14, 2005
Dry two-component type developer for electrophotography
POWDERTECH CO LTD0 citations41