Minoru Kozawa

Person

Hiroshima-ken, JP

People

Patents Grantslast 30 patents

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
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
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

Minoru Kozawa

Person

Patents Grantslast 30 patents

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

Magnetic toner particles comprising magnetite particles containing...

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...

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