Masahiro Onizuka

Person

Akita-ken, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Noise preventing split ferrite core
- Patent number 6,346,673
- Issue date Feb 12, 2002
- TDK Corporation
- Masahiro Onizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Ferrite-core housing case anti-noise component wire harness and ele...
- Patent number 6,268,787
- Issue date Jul 31, 2001
- TDK Corporation
- Masahiro Onizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
BALUN transformer core material, BALUN transformer core and BALUN t...
- Patent number 6,217,790
- Issue date Apr 17, 2001
- TDK Corporation
- Masahiro Onizuka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Anti-noise component for flat cable
- Patent number 6,147,928
- Issue date Nov 14, 2000
- TDK Corporation
- Masahiro Onizuka
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
BALUN transformer core material, BALUN transformer core and BALUN t...
- Patent number 6,114,940
- Issue date Sep 5, 2000
- TDK Corporation
- Sei Kakinuma
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
BALUN transformer core material, BALUN transformer core and BALUN t...
- Patent number 6,033,593
- Issue date Mar 7, 2000
- TDK Corporation
- Masahiro Onizuka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Core for inductance elements and its production method
- Patent number 5,966,065
- Issue date Oct 12, 1999
- TDK Corporation
- Masahiro Onizuka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Hexagonal Z type magnetic oxide sintered material, method for makin...
- Patent number 5,954,992
- Issue date Sep 21, 1999
- TDK Corporation
- Masahiro Onizuka
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Preparation of ferrite materials
- Patent number 5,750,045
- Issue date May 12, 1998
- TDK Corporation
- Yoshito Nihira
- C01 - INORGANIC CHEMISTRY

Masahiro Onizuka

Person

Patents Grantslast 30 patents

Noise preventing split ferrite core

Ferrite-core housing case anti-noise component wire harness and ele...

BALUN transformer core material, BALUN transformer core and BALUN t...

Anti-noise component for flat cable

BALUN transformer core material, BALUN transformer core and BALUN t...

BALUN transformer core material, BALUN transformer core and BALUN t...

Core for inductance elements and its production method

Hexagonal Z type magnetic oxide sintered material, method for makin...

Preparation of ferrite materials