Inventor

MORII HIROKO

JP75 patents

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

MORII HIROKO

TODA KOGYO CORP

Modified particles

Colorant for ink-jet printing ink, ink-jet printing ink, aqueous pigment dispersion containing the colorant, and organic and inorganic composite particles

High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium

Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same

Hematite particles and magnetic recording medium having a non-magnetic under-coat layer containing hematite (Fe2 O3) particles.

Composite particles, process for producing the same, and pigment, paint and resin composition using the same

Composite particles, and tread rubber composition, paint and resin composition using the same

Black composite iron oxide pigment, and paint and resin composition using the same

Organic and inorganic composite pigments, and paint and resin composition using the same

Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same

Black magnetic composite particles for a black magnetic toner

Black non-magnetic composite particles for black toner and black toner using the same

Transparent coloring composition and color filter

Black magnetic toner and black magnetic composite particles therefor

Fine red iron oxide pigment, and paint or resin composition using the same

Non-magnetic undercoat layer for magnetic recording medium, magnetic recording medium and non-magnetic particles

Coloring composition for color filter containing colorant and color filter using the same

Black magnetic acicular composite particles for magnetic recording medium and magnetic recording medium using the same

Color toner

Black colorant for ink-jet printing ink, ink-jet printing ink, and aqueous pigment dispersion containing the black colorant

Titanium oxide particles, substrate for magnetic recording medium and magnetic recording medium using the same

Particles for non-magnetic undercoat layer of magnetic recording medium, method thereof and magnetic recording medium

Black iron-based composite particles, process for producing the same, paint and rubber or resin composition containing the same

Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles

Magnetic recording medium

Magnetic recording medium and substrate therefor

Black magnetic composite particles for black magnetic toner and black magnetic toner using the same

Non-magnetic black particles, non-magnetic black pigment therefrom and non-magnetic black filler therefrom

Iron oxide particles

Rubber or resin composition

Black composite particles for semiconductor sealing material, and semiconductor sealing material using the same

Magnetic recording medium containing specific non-magnetic composite particles of coated hematite particles

Magnetic composite particles for black magnetic toner and black magnetic toner using the same

Magnetic recording medium

Iron oxide hydroxide composite particles, pigment, paint and resin composition

Fine yellow composite iron oxide hydroxide pigment, and paint or resin composition using the same

Yellow iron oxide hydroxide particles and process for producing the same

Non-magnetic undercoating layer for magnetic recording medium, magnetic recording medium and non-magnetic particles

Black toner

Non-magnetic composite particles, process for producing the same and magnetic recording medium using the same

Magnetic recording medium, non-magnetic acicular black iron-based composite particles and process for producing the particles

Black magnetic acicular containing composite particles magnetic recording medium

Black magnetic toner and black magnetic composite particles therefor

Black plate-shaped ferrite composite particles with magnet oplumbite structure and magnetic recording medium using the same

Acicular hematite particles having a low sodium content and their use in a magnetic recording medium

Magnetic recording medium containing non-magnetic hematite particles as an undercoat layer

Acicular hematite particles and magnetic recording medium

High-density acicular hematite particles, non-magnetic undercoat layer and magnetic recording medium

Acicular hematite particles for non-magnetic undercoat layer of magnetic recording medium, and magnetic recording medium using the same

TODA KOGYO CORORATION

Rectangular parallelopipedic lepidocrocite particles and magnetic recording medium containing the particles