Inventor

OMURA KAZUFUMI

JP30 patents

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

OMURA KAZUFUMI

FUJIFILM CORP

Magnetic tape and method of manufacturing the same

Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording medium

Sulfonic acid polyol compound, polyurethane resin, polyurethane resin for magnetic recording medium, and magnetic recording medium

Lactone compound

Method of manufacturing hexagonal ferrite magnetic particles, method of manufacturing magnetic coating material, and method of manufacturing magnetic recording medium

Method of manufacturing hexagonal ferrite magnetic particles

Magnetic powder and method of manufacturing the same

Method of manufacturing magnetic powder

Mixture comprising sulfonate group-containing compound and method of manufacturing the same, solution composition, polyurethane resin and method of manufacturing the same, and magnetic recording medium

Ink sheet for heat-sensitive transfer recording material, heat-sensitive transfer recording method, ink cartridge and azo dye

Binder for magnetic recording medium and method of manufacturing the same, composition for magnetic recording medium, and magnetic recording medium

Composition for forming thermally-cured coating film and thermally-cured coating film

Magnetic recording medium

Magnetic particles and method of manufacturing the same, and usage thereof

Pigment dispersion liquid and inkjet ink

Method of manufacturing phthalocyanine compound

OMURA KAZUFUMI

Mixture comprising sulfonate group-containing compound and method of manufacturing the same, solution composition, polyurethane resin and method of manufacturing the same, and magnetic recording medium

Lubricant composition, magnetic recording medium, and novel polyether compound

Vinyl polymer and usage thereof

Binder resin composition for magnetic recording medium, method of manufacturing the same, and magnetic recording medium

Method of modifying surface of powder, coating material, method of manufacturing magnetic recording medium, and magnetic recording medium manufactured by the same

JAPAN SCIENCE & TECH AGENCY

Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this method

Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this method

Method for producing optically active aziridine compounds and amine compounds as well as complexes and their intermediates used in this method

TATEISHI KEIICHI

Method of producing a metal phthalocyanine compound, and method of producing a phthalocyanine compound and an analogue thereof

Method of producing a metal phthalocyanine compound, and method of producing a phthalocyanine compound and an analogue thereof

SATO MASAHIDE

Magnetic recording medium and method of manufacturing the same

MORI MASAHIKO

Magnetic recording medium, method of modifying surface of magnetic powder and magnetic coating material

ARAKI KATSUMI

Radiation-curable vinyl chloride resin composition and magnetic recording medium using the same

ARITOSHI YOHEI

Magnetic recording medium