Inventor
SUWA TOMOYUKI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SUWA TOMOYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
POWDERTECH CO LTD
2 patentsUS7566519B2Jul 28, 2009
Carrier for electrophotographic developer, and electrophotographic developer using the same
POWDERTECH CO LTD14 citations83
US7906265B2Mar 15, 2011
Ferrite carrier for electrophotographic developer, method for producing the same, and electrophotographic developer
POWDERTECH CO LTD0 citations50
OHMI TADAHIRO
2 patentsMITSUI MINING & SMELTING CO
2 patentsUS7862975B2Jan 4, 2011
Carrier core material for an electrophotographic developer, carrier, and electrophotographic developer using the carrier
MITSUI MINING & SMELTING CO4 citations60
US8039190B2Oct 18, 2011
Carrier core material for electrophotographic developer, carrier, and electrophotographic developer using the carrier
MITSUI MINING & SMELTING CO0 citations50
SUWA TOMOYUKI
2 patentsUS8535867B2Sep 17, 2013
Ferrite core material and ferrite carrier for electrophotographic developer, and electrophotographic developer using the ferrite carrier
SUWA TOMOYUKI2 citations57
US9081318B2Jul 14, 2015
Ferrite carrier core material and ferrite carrier for electrophotographic developer, methods for manufacturing these, and electrographic developer using the ferrite carrier
SUWA TOMOYUKI0 citations36