Hirofumi Kawasaki

Person

Aki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
R-T-B-based rare earth magnet particles, and bonded magnets contain...
- Patent number 11,120,932
- Issue date Sep 14, 2021
- Toda Kogyo Corp.
- Nobuhiro Katayama
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
R-T-B-based rare earth magnet particles, process for producing the...
- Patent number 8,907,755
- Issue date Dec 9, 2014
- Toda Kogyo Corporation
- Nobuhiro Katayama
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pharmaceutical raw material
- Patent number 7,670,676
- Issue date Mar 2, 2010
- Toda Kogyo Corporation
- Nanao Horiishi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method of producing acicular magnetic alloy particles
- Patent number 5,735,969
- Issue date Apr 7, 1998
- Imation Corp.
- Jean A. Lown
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle-shaped magnetic iron based alloy particles and process for...
- Patent number 5,599,378
- Issue date Feb 4, 1997
- Toda Kogyo Corp.
- Akio Mishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Granulated particles for magnetic particles for magnetic recording,...
- Patent number 5,531,922
- Issue date Jul 2, 1996
- Toda Kogyo Corporation
- Kenji Okinaka
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle-shaped magnetic iron based alloy particles
- Patent number 5,466,306
- Issue date Nov 14, 1995
- Toda Kogyo Corp.
- Akio Mishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Acicular magnetic iron based alloy particles for magnetic recording...
- Patent number 5,238,483
- Issue date Aug 24, 1993
- Toda Kogyo Corporation
- Akio Mishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Acicular magnetic iron based alloy particles for magnetic recording...
- Patent number 5,156,922
- Issue date Oct 20, 1992
- Toda Kogyo Corporation
- Akio Mishima
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle-like magnetic iron oxide particles and process for producin...
- Patent number 4,873,010
- Issue date Oct 10, 1989
- Toda Kogyo Corp.
- Atsushi Takedoi
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20210375513
- Publication date Dec 2, 2021
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- B22 - CASTING POWDER METALLURGY
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20210366636
- Publication date Nov 25, 2021
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20140326363
- Publication date Nov 6, 2014
- Toda Kogyo Corp.
- Nobuhiro Katayama
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20140266525
- Publication date Sep 18, 2014
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- C21 - METALLURGY OF IRON
Information Patent Application
R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...
- Publication number 20130265128
- Publication date Oct 10, 2013
- TODA KOGYO CORP.
- Nobuhiro KATAYAMA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Pharmaceutical raw material
- Publication number 20060287404
- Publication date Dec 21, 2006
- Toda Kogyo Corporation
- Nanao Horiishi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
Magneto rheological fluid
- Publication number 20060097232
- Publication date May 11, 2006
- Toda Kogyo Corporation
- Toshiyuki Hakata
- H01 - BASIC ELECTRIC ELEMENTS

Hirofumi Kawasaki

Person

Patents Grantslast 30 patents

R-T-B-based rare earth magnet particles, and bonded magnets contain...

R-T-B-based rare earth magnet particles, process for producing the...

Pharmaceutical raw material

Method of producing acicular magnetic alloy particles

Spindle-shaped magnetic iron based alloy particles and process for...

Granulated particles for magnetic particles for magnetic recording,...

Spindle-shaped magnetic iron based alloy particles

Acicular magnetic iron based alloy particles for magnetic recording...

Acicular magnetic iron based alloy particles for magnetic recording...

Spindle-like magnetic iron oxide particles and process for producin...

Patents Applicationslast 30 patents

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

R-T-B-BASED RARE EARTH MAGNET PARTICLES, PROCESS FOR PRODUCING THE...

Pharmaceutical raw material

Magneto rheological fluid