Inventor

MASAKI KOUICHI

JP22 patents

⚠️ This page may combine multiple inventors who share the name “MASAKI KOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MASAKI KOUICHI

FUJI PHOTO FILM CO LTD

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium comprising a lower nonmagnetic layer containing a surface coated inorganic powder and an upper magetic layer

Magnetic recording medium comprising a magnetic layer exhibiting low ΔM value

Process for producing cobalt-containing ferromagnetic iron oxide powder

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium

Magnetic recording medium comprising a magnetic layer of ferromagnetic metal powder and binder resin and having specified magnetic properties

Process for producing ferromagnetic iron oxide

Magnetic recording medium

Magnetic recording medium

Method for preparing ferromagnetic iron oxide particles

Method of producing hexagonal ferrite and magnetic recording medium using said hexagonal ferrite

Magnetic recording medium

Magnetic recording medium and the method for preparing the same

Magnetic recording medium

Magnetic recording medium

FUJITSU LTD

Terminal equipment for merging imaging data and text data, and transmitting and receiving the same on-line

FUJIFILM CORP

Ferromagnetic nanoparticles, material coated with dispersion of ferromagnetic nanoparticles, and magnetic recording medium using the material