Osamu Beppu

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Magnetic disk apparatus
- Patent number 7,511,919
- Issue date Mar 31, 2009
- Hitachi Global Storage Technologies Japan, Ltd.
- Kenji Suzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
Controller for information recording and reproducing device and con...
- Patent number 6,965,487
- Issue date Nov 15, 2005
- Hitachi Global Storage Technologies Japan, Ltd.
- Kazuyoshi Hanada
- G11 - INFORMATION STORAGE
Information Patent Grant
Motor control method for magnetic disk drive
- Patent number 6,870,700
- Issue date Mar 22, 2005
- Hitachi, Ltd.
- Osamu Beppu
- G11 - INFORMATION STORAGE
Information Patent Grant
Spindle unit having pre-load mechanism
- Patent number 5,463,511
- Issue date Oct 31, 1995
- Hitachi, Ltd.
- Masaaki Nakano
- G11 - INFORMATION STORAGE
Information Patent Grant
Magnetic disk enclosure with detachable stator
- Patent number 5,008,573
- Issue date Apr 16, 1991
- Hitachi, Ltd.
- Osamu Beppu
- G11 - INFORMATION STORAGE
Information Patent Grant
Disk drive housing structure
- Patent number 4,894,735
- Issue date Jan 16, 1990
- Hitachi, Ltd.
- Mikio Takahashi
- G11 - INFORMATION STORAGE
Information Patent Grant
Method for adjustably positioning a transducer for a disc drive
- Patent number 4,825,313
- Issue date Apr 25, 1989
- Hitachi, Ltd.
- Yoshihiro Moribe
- G11 - INFORMATION STORAGE
Information Patent Grant
Positioning method and apparatus therefor
- Patent number 4,775,825
- Issue date Oct 4, 1988
- Hitachi, Ltd.
- Yoshihiro Moribe
- G11 - INFORMATION STORAGE
Information Patent Grant
Control method and apparatus for positioning servo system
- Patent number 4,703,242
- Issue date Oct 27, 1987
- Hitachi, Ltd.
- Kiyotake Kumazawa
- G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

Information Patent Application
Magnetic disk apparatus
- Publication number 20050180047
- Publication date Aug 18, 2005
- Hitachi Global Storage Technologies Japan, Inc.
- Kenji Suzuki
- G11 - INFORMATION STORAGE
Information Patent Application
Magnetic disc apparatus and assembling method of the same
- Publication number 20050117259
- Publication date Jun 2, 2005
- Kouki Uefune
- G11 - INFORMATION STORAGE
Information Patent Application
Motor control method for magnetic disk drive
- Publication number 20030227706
- Publication date Dec 11, 2003
- Hitachi, Ltd
- Osamu Beppu
- G11 - INFORMATION STORAGE
Information Patent Application
Controller for information recording and reproducing device and con...
- Publication number 20030197967
- Publication date Oct 23, 2003
- Kazuyoshi Hanada
- G11 - INFORMATION STORAGE

Osamu Beppu

Person

Patents Grantslast 30 patents

Magnetic disk apparatus

Controller for information recording and reproducing device and con...

Motor control method for magnetic disk drive

Spindle unit having pre-load mechanism

Magnetic disk enclosure with detachable stator

Disk drive housing structure

Method for adjustably positioning a transducer for a disc drive

Positioning method and apparatus therefor

Control method and apparatus for positioning servo system

Patents Applicationslast 30 patents

Magnetic disk apparatus

Magnetic disc apparatus and assembling method of the same

Motor control method for magnetic disk drive

Controller for information recording and reproducing device and con...