Yasutaka Ota

Person

Onoda-shi, JP

People

Patents Grantslast 30 patents

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
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
Magnetic acicular alloy particles containing iron as a main component
- Patent number 6,682,813
- Issue date Jan 27, 2004
- Toda Kogyo Corporation
- Kohji Mori
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Magnetic acicular alloy particles containing iron as a main component
- Patent number 6,447,618
- Issue date Sep 10, 2002
- Toda Kogyo Corporation
- Kohji Mori
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Spindle-shaped geothite particles
- Patent number 5,989,516
- Issue date Nov 23, 1999
- Toda Kogyo Corporation
- Kenji Okinaka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process of making goethite or iron-based alloy particles
- Patent number 5,968,226
- Issue date Oct 19, 1999
- Toda Kogyo Corporation
- Kenji Okinaka
- B22 - CASTING POWDER METALLURGY
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 containing cobal...
- Patent number 5,645,652
- Issue date Jul 8, 1997
- Toda Kogyo Corporation
- Kenji Okinaka
- B22 - CASTING POWDER METALLURGY
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
Acicular magnetic metal particles containing iron as main ingredien...
- Patent number 5,137,783
- Issue date Aug 11, 1992
- Toda Kogyo Corporation
- Mamoru Tanihara
- G11 - INFORMATION STORAGE
Information Patent Grant
Plate-like barium ferrite particles suitable for use in magnetic re...
- Patent number 4,851,292
- Issue date Jul 25, 1989
- Toda Kogyo Corp.
- Norimichi Nagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Plate-like barium ferrite particles suitable for use in magnetic re...
- Patent number 4,806,429
- Issue date Feb 21, 1989
- Toda Kogyo Corporation
- Norimichi Nagai
- G11 - INFORMATION STORAGE
Information Patent Grant
Plate-like magnetoplumbite ferrite particles for magnetic recording...
- Patent number 4,781,981
- Issue date Nov 1, 1988
- Toda Kogyo Corp.
- Tsutomu Katamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Process for producing plate-like barium ferrite particles
- Patent number 4,752,407
- Issue date Jun 21, 1988
- Toda Kogyo Corporation
- Norimichi Nagai
- B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

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
Magnetic acicular alloy particles containing iron as a main component
- Publication number 20030044648
- Publication date Mar 6, 2003
- Toda Kogyo Corporation
- Kohji Mori
- B22 - CASTING POWDER METALLURGY
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

Yasutaka Ota

Person

Patents Grantslast 30 patents

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

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

Magnetic acicular alloy particles containing iron as a main component

Magnetic acicular alloy particles containing iron as a main component

Spindle-shaped geothite particles

Process of making goethite or iron-based alloy particles

Method of producing acicular magnetic alloy particles

Spindle-shaped magnetic iron-based alloy particles containing cobal...

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...

Acicular magnetic metal particles containing iron as main ingredien...

Plate-like barium ferrite particles suitable for use in magnetic re...

Plate-like barium ferrite particles suitable for use in magnetic re...

Plate-like magnetoplumbite ferrite particles for magnetic recording...

Process for producing plate-like barium ferrite particles

Patents Applicationslast 30 patents

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

Magnetic acicular alloy particles containing iron as a main component

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