Inventor
SEKIGUCHI HARUO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “SEKIGUCHI HARUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUI TOATSU CHEMICALS
3 patentsUS4469506ASep 4, 1984
Production process of ferromagnetic iron powder
MITSUI TOATSU CHEMICALS3 citations60
US4342589AAug 3, 1982
Process for preparing iron compound particles for use in magnetic recording
MITSUI TOATSU CHEMICALS4 citations55
US4469507ASep 4, 1984
Production process of ferromagnetic iron powder
MITSUI TOATSU CHEMICALS1 citations46