Kiyoshi Akamatsu

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Patent number 7,259,936
- Issue date Aug 21, 2007
- Hitachi Global Storage Technologies Japan, Ltd.
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Grant
Recording/reproducing separated type head with heat radiating struc...
- Patent number 6,937,445
- Issue date Aug 30, 2005
- Hitachi, Ltd.
- Isamu Yuito
- G11 - INFORMATION STORAGE
Information Patent Grant
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Patent number 6,801,397
- Issue date Oct 5, 2004
- Hitachi, Ltd.
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
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
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Patent number 6,577,472
- Issue date Jun 10, 2003
- Hitachi, Ltd.
- Hiroki Yamamoto
- 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
Substrate for a magnetic recording medium, the magnetic recording m...
- Patent number 6,096,445
- Issue date Aug 1, 2000
- Hitachi, Ltd.
- Masatomo Terakado
- G11 - INFORMATION STORAGE

Patents Applicationslast 30 patents

Information Patent Application
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Publication number 20060034015
- Publication date Feb 16, 2006
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Publication number 20050013048
- Publication date Jan 20, 2005
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
Information Patent Application
Recording/reproducing separated type head
- Publication number 20030223156
- Publication date Dec 4, 2003
- Isamu Yuito
- G11 - INFORMATION STORAGE
Information Patent Application
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Publication number 20030202280
- Publication date Oct 30, 2003
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE
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
Information Patent Application
Glass substrate for a magnetic disk, a magnetic disk which can be f...
- Publication number 20010038930
- Publication date Nov 8, 2001
- Hiroki Yamamoto
- G11 - INFORMATION STORAGE

Kiyoshi Akamatsu

Person

Patents Grantslast 30 patents

Glass substrate for a magnetic disk, a magnetic disk which can be f...

Recording/reproducing separated type head with heat radiating struc...

Glass substrate for a magnetic disk, a magnetic disk which can be f...

Magnetic head and magnetic head manufacturing method

Glass substrate for a magnetic disk, a magnetic disk which can be f...

Magnetic head and magnetic head manufacturing method

Magnetic head and magnetic head manufacturing method

Substrate for a magnetic recording medium, the magnetic recording m...

Patents Applicationslast 30 patents

Glass substrate for a magnetic disk, a magnetic disk which can be f...

Glass substrate for a magnetic disk, a magnetic disk which can be f...

Recording/reproducing separated type head

Glass substrate for a magnetic disk, a magnetic disk which can be f...

Magnetic head and magnetic head manufacturing method

Magnetic head and magnetic head manufacturing method

Glass substrate for a magnetic disk, a magnetic disk which can be f...