Inventor
KUROKAWA HARUKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “KUROKAWA HARUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TODA KOGYO CORP
9 patentsUS5336421AAug 9, 1994
Spinel-type spherical, black iron oxide particles and process for the producing the same
TODA KOGYO CORP58 citations95
US6753084B2Jun 22, 2004
Spindle-shaped magnetic alloy particles for magnetic recording, and magnetic recording medium
TODA KOGYO CORP7 citations73
US6183868B1Feb 6, 2001
Spindle-shaped goethite particles, spindle-shaped hematite particles and spindle-shaped magnetic iron based alloy particles
TODA KOGYO CORP10 citations72
US6048412AApr 11, 2000
Spindle-shaped goethite particles, spindle-shaped hematite particles and spindle-shaped magnetic iron based alloy particles
TODA KOGYO CORP8 citations72
US5399278AMar 21, 1995
Process for producing acicular goethite particles and acicular magnetic iron oxide particles
TODA KOGYO CORP10 citations71
US6808697B2Oct 26, 2004
Spherical tetragonal barium titanate particles and process for producing the same
TODA KOGYO CORP9 citations70
US7172642B2Feb 6, 2007
Magnetic metal particles containing iron as main component, process for producing the same and magnetic recording medium using the same
TODA KOGYO CORP2 citations62
US7871595B2Jan 18, 2011
Fine barium titanate particles
TODA KOGYO CORP0 citations50
US7431908B2Oct 7, 2008
Coated spherical tetragonal barium titanate particles and process for producing the same
TODA KOGYO CORP1 citations48