Yoshiki Hagiwara

Person

Hadano, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Thin film magnetic head having non-linear tapered rails
- Patent number 6,198,601
- Issue date Mar 6, 2001
- Hitachi, Ltd.
- Yasuo Hira
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fine grain milling and machine therefor
- Patent number 5,947,796
- Issue date Sep 7, 1999
- Hitachi, Ltd.
- Hirotaka Imayama
- B08 - CLEANING
Information Patent Grant
Thin film magnetic head having non-linear rails
- Patent number 5,910,864
- Issue date Jun 8, 1999
- Hitachi, Ltd.
- Yasuo Hira
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head and production method thereof and magnetic...
- Patent number 5,687,045
- Issue date Nov 11, 1997
- Hitachi, Ltd.
- Tetsuya Okai
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head, process for production thereof
- Patent number 5,567,333
- Issue date Oct 22, 1996
- Hitachi, Ltd.
- Yasuo Hira
- G11 - INFORMATION STORAGE
Information Patent Grant
Method of fine grain milling and machine therefor
- Patent number 5,560,743
- Issue date Oct 1, 1996
- Hitachi, Ltd.
- Hirotaka Imayama
- B08 - CLEANING
Information Patent Grant
Method of fabricating thin-film magnetic head
- Patent number 5,349,745
- Issue date Sep 27, 1994
- Hitachi, Ltd.
- Takashi Kawabe
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin-film magnetic head with a plurality of transducers
- Patent number 4,967,299
- Issue date Oct 30, 1990
- Hitachi, Ltd.
- Takahiro Katoh
- G11 - INFORMATION STORAGE
Information Patent Grant
Multi-element magnetic head and method of fabricating the same
- Patent number 4,843,486
- Issue date Jun 27, 1989
- Hitachi, Ltd.
- Toshikane Yoshimatsu
- G11 - INFORMATION STORAGE

Yoshiki Hagiwara

Person

Patents Grantslast 30 patents

Thin film magnetic head having non-linear tapered rails

Method of fine grain milling and machine therefor

Thin film magnetic head having non-linear rails

Thin film magnetic head and production method thereof and magnetic...

Thin film magnetic head, process for production thereof

Method of fine grain milling and machine therefor

Method of fabricating thin-film magnetic head

Thin-film magnetic head with a plurality of transducers

Multi-element magnetic head and method of fabricating the same