Inventor
HAKATA TOSHIYUKI
JP17 patents
⚠️ This page may combine multiple inventors who share the name “HAKATA TOSHIYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TODA KOGYO CORP
14 patentsUS6465390B1Oct 15, 2002
Porous composite particles and process for producing the same
TODA KOGYO CORP20 citations92
US5108862AApr 28, 1992
Composite carrier particles for electrophotography and process for producing the same
TODA KOGYO CORP24 citations91
US7670676B2Mar 2, 2010
Pharmaceutical raw material
TODA KOGYO CORP9 citations83
US6106987AAug 22, 2000
Magnetic particles and magnetic carrier for electrophotographic developer
TODA KOGYO CORP17 citations83
US5731085AMar 24, 1998
Spherical magnetic composite particles
TODA KOGYO CORP17 citations83
US6459012B1Oct 1, 2002
Method for treating organohalogen compound-containing soil or ash
TODA KOGYO CORP12 citations73
US6042982AMar 28, 2000
Electrophotographic magnetic carrier and process for producing the same
TODA KOGYO CORP10 citations73
US6017667AJan 25, 2000
Spherical-like composite particles and electrophotographic magnetic carrier
TODA KOGYO CORP13 citations73
US5118587AJun 2, 1992
Magnetic particles used for electrostatic latent image developer and process for producing the same
TODA KOGYO CORP9 citations73
US6087057AJul 11, 2000
Magnetic particles and magnetic carrier for electrophotographic developer
TODA KOGYO CORP8 citations72
US5654120AAug 5, 1997
Magnetic carrier for electrophotography
TODA KOGYO CORP11 citations70
US6485877B2Nov 26, 2002
Magnetic particles and magnetic carrier for electrophotographic developer
TODA KOGYO CORP5 citations62
US9127168B2Sep 8, 2015
Magnetic iron oxide fine particles, and magnetic particle-containing water dispersion and process for producing the same
TODA KOGYO CORP1 citations51
US7863353B2Jan 4, 2011
Paving resin composition, paving asphalt composition, and method for producing paving asphalt composition
TODA KOGYO CORP1 citations46