Haruki Kurokawa

Person

Hiroshima, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Fine barium titanate particles
- Patent number 7,871,595
- Issue date Jan 18, 2011
- Toda Kogyo Corporation
- Haruki Kurokawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Coated spherical tetragonal barium titanate particles and process f...
- Patent number 7,431,908
- Issue date Oct 7, 2008
- Toda Kogyo Corporation
- Toshiharu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetic metal particles containing iron as main component, process...
- Patent number 7,172,642
- Issue date Feb 6, 2007
- Toda Kogyo Corporation
- Akinori Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Spherical tetragonal barium titanate particles and process for prod...
- Patent number 6,808,697
- Issue date Oct 26, 2004
- Toda Kogyo Corporation
- Toshiharu Harada
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Spindle-shaped magnetic alloy particles for magnetic recording, and...
- Patent number 6,753,084
- Issue date Jun 22, 2004
- Toda Kogyo Corporation
- Masaaki Maekawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle-shaped goethite particles, spindle-shaped hematite particle...
- Patent number 6,183,868
- Issue date Feb 6, 2001
- Toda Kogyo Corporation
- Haruki Kurokawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Spindle-shaped goethite particles, spindle-shaped hematite particle...
- Patent number 6,048,412
- Issue date Apr 11, 2000
- Toda Kogyo Corporation
- Haruki Kurokawa
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Process for producing acicular goethite particles and acicular magn...
- Patent number 5,399,278
- Issue date Mar 21, 1995
- Toda Kogyo Corp.
- Katsumi Yamashita
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Method of preparing goethite
- Patent number 5,338,355
- Issue date Aug 16, 1994
- Bayer AG
- Berndt-Ullrich Kohler
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Spinel-type spherical, black iron oxide particles and process for t...
- Patent number 5,336,421
- Issue date Aug 9, 1994
- Toda Kogyo Corp.
- Eiichi Kurita
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SILICON-CONTAINING AMORPHOUS CARBON PARTICLES, PRODUCING METHOD THE...
- Publication number 20240145713
- Publication date May 2, 2024
- TODA KOGYO CORP.
- Nobuyuki KOBAYASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Fine barium titanate particles
- Publication number 20070086941
- Publication date Apr 19, 2007
- Toda Kogyo Corporation
- Haruki Kurokawa
- B82 - NANO-TECHNOLOGY
Information Patent Application
Spherical tetragonal barium titanate particles and process for prod...
- Publication number 20050031533
- Publication date Feb 10, 2005
- Toda Kogyo Corporation
- Toshiharu Harada
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Application
Magnetic metal particles containing iron as main component, process...
- Publication number 20030136473
- Publication date Jul 24, 2003
- Akinori Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Spindle-shaped magnetic alloy particles for magnetic recording, and...
- Publication number 20020155323
- Publication date Oct 24, 2002
- Masaaki Maekawa
- G11 - INFORMATION STORAGE
Information Patent Application
Spherical tetragonal barium titanate particles and process for prod...
- Publication number 20020090335
- Publication date Jul 11, 2002
- Toshiharu Harada
- C01 - INORGANIC CHEMISTRY

Haruki Kurokawa

Person

Patents Grantslast 30 patents

Fine barium titanate particles

Coated spherical tetragonal barium titanate particles and process f...

Magnetic metal particles containing iron as main component, process...

Spherical tetragonal barium titanate particles and process for prod...

Spindle-shaped magnetic alloy particles for magnetic recording, and...

Spindle-shaped goethite particles, spindle-shaped hematite particle...

Spindle-shaped goethite particles, spindle-shaped hematite particle...

Process for producing acicular goethite particles and acicular magn...

Method of preparing goethite

Spinel-type spherical, black iron oxide particles and process for t...

Patents Applicationslast 30 patents

SILICON-CONTAINING AMORPHOUS CARBON PARTICLES, PRODUCING METHOD THE...

Fine barium titanate particles

Spherical tetragonal barium titanate particles and process for prod...

Magnetic metal particles containing iron as main component, process...

Spindle-shaped magnetic alloy particles for magnetic recording, and...

Spherical tetragonal barium titanate particles and process for prod...