Koji Matsukuma

Person

Hyogo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Etching mask and magnetic head device
- Patent number 6,713,368
- Issue date Mar 30, 2004
- TDK Corporation
- Koji Matsukuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of manufacturing thin-film magnetic head
- Patent number 6,604,275
- Issue date Aug 12, 2003
- TDK Corporation
- Tetsuya Mino
- G11 - INFORMATION STORAGE
Information Patent Grant
Patterning method using mask and manufacturing method for composite...
- Patent number 6,586,049
- Issue date Jul 1, 2003
- TDK Corporation
- Yasufumi Uno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Etching mask, method of making same, etching method, magnetic head...
- Patent number 6,303,392
- Issue date Oct 16, 2001
- TDK Corporation
- Koji Matsukuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 6,188,543
- Issue date Feb 13, 2001
- TDK Corporation
- Koichi Terunuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and manufacturing method of the head
- Patent number 6,178,065
- Issue date Jan 23, 2001
- TDK Corporation
- Koichi Terunuma
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head having a three-layer pole tip structure
- Patent number 6,169,642
- Issue date Jan 2, 2001
- TDK Corporation
- Tetsuya Mino
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head
- Patent number 6,151,193
- Issue date Nov 21, 2000
- TDK Corporation
- Koichi Terunuma
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Etching mask and magnetic head device
- Publication number 20010046790
- Publication date Nov 29, 2001
- TDK Corporation
- Koji Matsukuma
- G11 - INFORMATION STORAGE
Information Patent Application
Patterning method using mask and manufacturing method for composite...
- Publication number 20010019035
- Publication date Sep 6, 2001
- TDK Corporation of Tokyo, Japan
- Yasufumi Uno
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Koji Matsukuma

Person

Patents Grantslast 30 patents

Etching mask and magnetic head device

Method of manufacturing thin-film magnetic head

Patterning method using mask and manufacturing method for composite...

Etching mask, method of making same, etching method, magnetic head...

Thin film magnetic head

Thin film magnetic head and manufacturing method of the head

Thin-film magnetic head having a three-layer pole tip structure

Thin film magnetic head

Patents Applicationslast 30 patents

Etching mask and magnetic head device

Patterning method using mask and manufacturing method for composite...