Masayasu Fujisawa

Person

Ninomiya, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic head and magnetic head manufacturing method
- Patent number 6,690,544
- Issue date Feb 10, 2004
- Hitachi, Ltd.
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic head manufacturing method
- Patent number 6,504,680
- Issue date Jan 7, 2003
- Hitachi, Ltd.
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic head and magnetic head manufacturing method
- Patent number 6,278,582
- Issue date Aug 21, 2001
- Hiatchi, Ltd.
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Grant
Thin film magnetic head with air bearing end face of magnetic film...
- Patent number 6,219,200
- Issue date Apr 17, 2001
- Hitachi, Ltd.
- Yoshiharu Waki
- G11 - INFORMATION STORAGE
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 electrically connecting a magnetic head, a magnetic head...
- Patent number 6,188,546
- Issue date Feb 13, 2001
- Hitachi, Ltd.
- Yasuyuki Nakajima
- 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, 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
Lap and lapping liquor
- Patent number 5,456,736
- Issue date Oct 10, 1995
- Hitachi, Ltd.
- Yoshiharu Waki
- B24 - GRINDING POLISHING
Information Patent Grant
Thickness/depth measuring apparatus and method for measuring the th...
- Patent number 5,371,582
- Issue date Dec 6, 1994
- Hitachi, Ltd.
- Tamaki Toba
- G01 - MEASURING TESTING
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
Method and apparatus for severing wafers
- Patent number 4,712,535
- Issue date Dec 15, 1987
- Hitachi, Ltd.
- Masayasu Fujisawa
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
Magnetic head and magnetic head manufacturing method
- Publication number 20030090840
- Publication date May 15, 2003
- Atsuko Okawa
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic head and magnetic head manufacturing method
- Publication number 20020027746
- Publication date Mar 7, 2002
- Atsuko Okawa
- G11 - INFORMATION STORAGE

Masayasu Fujisawa

Person

Patents Grantslast 30 patents

Magnetic head and magnetic head manufacturing method

Magnetic head and magnetic head manufacturing method

Magnetic head and magnetic head manufacturing method

Thin film magnetic head with air bearing end face of magnetic film...

Thin film magnetic head having non-linear tapered rails

Method of electrically connecting a magnetic head, a magnetic head...

Method of fine grain milling and machine therefor

Thin film magnetic head having non-linear rails

Thin film magnetic head, process for production thereof

Method of fine grain milling and machine therefor

Lap and lapping liquor

Thickness/depth measuring apparatus and method for measuring the th...

Method of fabricating thin-film magnetic head

Method and apparatus for severing wafers

Patents Applicationslast 30 patents

Magnetic head and magnetic head manufacturing method

Magnetic head and magnetic head manufacturing method