Koso Aoki

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic iron oxide particles, magnetic carrier for electrophotogra...
- Patent number 9,448,500
- Issue date Sep 20, 2016
- Toda Kogyo Corporation
- Shigenori Harada
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Black magnetic iron oxide particles, magnetic carrier for electroph...
- Patent number 9,285,698
- Issue date Mar 15, 2016
- Toda Kogyo Corporation
- Shinji Uemoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aniline black having specific sulfur content, and resin composition...
- Patent number 9,085,673
- Issue date Jul 21, 2015
- Toda Kogyo Corporation
- Yusuke Shimohata
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Black magnetic iron oxide particles having a specific dissolution o...
- Patent number 7,597,958
- Issue date Oct 6, 2009
- Toda Kogyo Corporation
- Shinji Uemoto
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Black magnetic iron oxide particles having high breakdown voltage
- Patent number 7,572,505
- Issue date Aug 11, 2009
- Toda Kogyo Corporation
- Naoki Uchida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Magnetic iron oxide particles and magnetic toner using the same
- Patent number 7,144,626
- Issue date Dec 5, 2006
- Toda Kogyo Corporation
- Hiroshi Akai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Black iron-based particles and black toner containing the same
- Patent number 6,844,067
- Issue date Jan 18, 2005
- Toda Kogyo Corporation
- Nobuya Shimo
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Black magnetic iron oxide particles and magnetic toner
- Patent number 6,780,555
- Issue date Aug 24, 2004
- Toda Kogyo Corporation
- Naoki Uchida
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Black magnetic iron oxide particles for magnetic toner and process...
- Patent number 6,383,637
- Issue date May 7, 2002
- Toda Kogyo Corporation
- Hiromitsu Misawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic toner particles comprising magnetite particles containing...
- Patent number 6,103,437
- Issue date Aug 15, 2000
- Toda Kogyo Corporation
- Minoru Kozawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Iron oxide particles
- Patent number 5,922,464
- Issue date Jul 13, 1999
- Toda Kogyo Corporation
- Kazuyuki Hayashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic particles for magnetic toner and process for producing the...
- Patent number 5,874,019
- Issue date Feb 23, 1999
- Toda Kogyo Corporation
- Naoki Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Magnetite particles, magnetic iron oxide particles, process for the...
- Patent number 5,858,532
- Issue date Jan 12, 1999
- Toda Kogyo Corporation
- Minoru Kozawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Magnetic particles for magentic toner and process for producing the...
- Patent number 5,843,610
- Issue date Dec 1, 1998
- Toda Kogyo Corporation
- Naoki Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rubber or resin composition
- Patent number 5,693,690
- Issue date Dec 2, 1997
- Toda Kogyo Corporation
- Kazuyuki Hayashi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Iron oxide particles and process for producing the same
- Patent number 5,688,852
- Issue date Nov 18, 1997
- Toda Kogyo Corporation
- Hiromitsu Misawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Spherical magnetic particles for magnetic toner and process for pro...
- Patent number 5,652,060
- Issue date Jul 29, 1997
- Toda Kogyo Corporation
- Naoki Uchida
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Coated granular magnetite particles and process for producing the same
- Patent number 5,648,170
- Issue date Jul 15, 1997
- Toda Kogyo Corporation
- Yoji Okano
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic particles comprising magnetite core and process for produc...
- Patent number 5,599,627
- Issue date Feb 4, 1997
- Toda Kogyo Corporation
- Koso Aoki
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Granular magnetite particles and process for producing the same
- Patent number 5,578,375
- Issue date Nov 26, 1996
- Toda Kogyo Corporation
- Yoji Okano
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Iron oxide particles and process for producing the same
- Patent number 5,512,405
- Issue date Apr 30, 1996
- Toda Kogyo Corporation
- Hiromitsu Misawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Iron oxide particles and process for producing the same
- Patent number 5,470,660
- Issue date Nov 28, 1995
- Toda Kogyo Corporation
- Hiromitsu Misawa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Magnetic iron oxide particles, a process for producing the same and...
- Patent number 5,449,565
- Issue date Sep 12, 1995
- Toda Kogyo Corporation
- Koso Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic particle powder included in magnetic toners for magnetic i...
- Patent number 5,389,482
- Issue date Feb 14, 1995
- Toda Kogyo Corp.
- Yoji Okano
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Superparamagnetic fine particles of iron oxide and magnetic recordi...
- Patent number 5,368,933
- Issue date Nov 29, 1994
- Toda Kogyo Corp.
- Koso Aoki
- G11 - INFORMATION STORAGE
Information Patent Grant
Superparamagnetic fine particles of iron oxide and magnetic recordi...
- Patent number 5,236,783
- Issue date Aug 17, 1993
- Toda Kogyo Corp.
- Koso Aoki
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
MAGNETIC IRON OXIDE PARTICLES, MAGNETIC CARRIER FOR ELECTROPHOTOGRA...
- Publication number 20140051020
- Publication date Feb 20, 2014
- Toda Kogyo Corporation
- Shigenori Harada
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ANILINE BLACK, AND RESIN COMPOSITION AND WATER-BASED AND SOLVENT-BA...
- Publication number 20130330556
- Publication date Dec 12, 2013
- TODA KOGYO CORPORATION
- Yusuke Shimohata
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
BLACK MAGNETIC IRON OXIDE PARTICLES, MAGNETIC CARRIER FOR ELECTROPH...
- Publication number 20090311617
- Publication date Dec 17, 2009
- TODA KOGYO CORPORATION
- Shinji Uemoto
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
Black magnetic iron oxide particles
- Publication number 20080206566
- Publication date Aug 28, 2008
- Toda Kogyo Corporation
- Shinji Uemoto
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Black magnetic iron oxide particles
- Publication number 20070254157
- Publication date Nov 1, 2007
- Toda Kogyo Corporation
- Naoki Uchida
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Colored resin particles, water-based dispersion containing the colo...
- Publication number 20060219133
- Publication date Oct 5, 2006
- Toda Kogyo Corporation
- Muneyoshi Sakamoto
- B82 - NANO-TECHNOLOGY
Information Patent Application
Magnetic iron oxide particles and magnetic toner using the same
- Publication number 20050227070
- Publication date Oct 13, 2005
- Toda Kogyo Corporation
- Hiroshi Akai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Black iron-based particles and black toner containing the same
- Publication number 20050123756
- Publication date Jun 9, 2005
- Toda Kogyo Corporation
- Nobuya Shimo
- B82 - NANO-TECHNOLOGY
Information Patent Application
Black iron-based particles and black toner containing the same
- Publication number 20040131852
- Publication date Jul 8, 2004
- Toda Kogyo Corporation
- Nobuya Shimo
- B82 - NANO-TECHNOLOGY
Information Patent Application
Black magnetic iron oxide particles and magnetic toner
- Publication number 20020168523
- Publication date Nov 14, 2002
- Naoki Uchida
- H01 - BASIC ELECTRIC ELEMENTS

Person

Patents Grantslast 30 patents

Magnetic iron oxide particles, magnetic carrier for electrophotogra...

Black magnetic iron oxide particles, magnetic carrier for electroph...

Aniline black having specific sulfur content, and resin composition...

Black magnetic iron oxide particles having a specific dissolution o...

Black magnetic iron oxide particles having high breakdown voltage

Magnetic iron oxide particles and magnetic toner using the same

Black iron-based particles and black toner containing the same

Black magnetic iron oxide particles and magnetic toner

Black magnetic iron oxide particles for magnetic toner and process...

Magnetic toner particles comprising magnetite particles containing...

Iron oxide particles

Magnetic particles for magnetic toner and process for producing the...

Magnetite particles, magnetic iron oxide particles, process for the...

Magnetic particles for magentic toner and process for producing the...

Rubber or resin composition

Iron oxide particles and process for producing the same

Spherical magnetic particles for magnetic toner and process for pro...

Coated granular magnetite particles and process for producing the same

Magnetic particles comprising magnetite core and process for produc...

Granular magnetite particles and process for producing the same

Iron oxide particles and process for producing the same

Iron oxide particles and process for producing the same

Magnetic iron oxide particles, a process for producing the same and...

Magnetic particle powder included in magnetic toners for magnetic i...

Superparamagnetic fine particles of iron oxide and magnetic recordi...

Superparamagnetic fine particles of iron oxide and magnetic recordi...

Patents Applicationslast 30 patents

MAGNETIC IRON OXIDE PARTICLES, MAGNETIC CARRIER FOR ELECTROPHOTOGRA...

ANILINE BLACK, AND RESIN COMPOSITION AND WATER-BASED AND SOLVENT-BA...

BLACK MAGNETIC IRON OXIDE PARTICLES, MAGNETIC CARRIER FOR ELECTROPH...

Black magnetic iron oxide particles

Black magnetic iron oxide particles

Colored resin particles, water-based dispersion containing the colo...

Magnetic iron oxide particles and magnetic toner using the same

Black iron-based particles and black toner containing the same

Black iron-based particles and black toner containing the same

Black magnetic iron oxide particles and magnetic toner